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Heritage Trees by SPECIES

Last updated Oct 2, 2011

Abies alba

Ashford Castle Hotel, Cong, Mayo, Co. Mayo
Avondale, Rathdrum, Co. Wicklow
Ballymore Castle, Lawrencetown, Galway, Co. Galway
Castlecoole Estate, Enniskillen, Co. Fermanagh
Colebrooke Estate, Brookeborough, Co. Fermanagh
Ecclesville, Fintona, Co. Tyrone
Garden Cottage, Castlecoole, Enniskillen, Co. Fermanagh
Kilmacurragh, Kilbride, Co. Wicklow
Newpass House, Rathowen, Co. Westmeath
The Oaks, Strathall, Derry, Co. Londonderry
Tullynally Castle, Castlepollard, Co. Westmeath

Abies cephalonica

Benvarden, Dervock, Ballymoney, Co. Antrim

Abies nordmanniana

Baronscourt Estate, Baronscourt, Co. Tyrone
Castle Leslie, Glaslough, Co. Monaghan

Abies pindrow

old Conna Hill Golf Club, Shankill, Co. Dublin

Abies pinsapo

Fortgranite, Kiltegan, Co. Wicklow

Abies procera Glauca Group

Avondale, Rathdrum, Co. Wicklow
Brooke hall, Derry, Co. Londonderry
Castle Sanderson, Belturbet, Co. Cavan
Gosford Forest Park, Markethill, Co. Armagh
Woodstock Gardens, Inistioge, Co. Kilkenny

Abies spectabilis

Gosford Forest Park, Markethill, Co. Armagh

Acacia dealbata

John F. Kennedy Arboretum, New Ross, Co. Wexford
Pollinmounty Mill, Glynn, Co. Carlow

Acacia melanoxylon

Fassaroe House, Fassaroe, Bray, Co. Wicklow
nr. Sneem, Sneem, Co. Kerry

Acer campestre

Ballydarton House, Fenagh, Co. Carlow
Castlecaulfield, Belleek, Co. Fermanagh
Colebrooke Estate, Brookeborough, Co. Fermanagh
Gleniffy House, Galbally, Co. Tipperary
Gleniffy House, Galbally, Co. Tipperary
Markree House, Collooney, Co. Sligo

Acer cappadocicum

Blarney Estate, Blarney, Cork, Co. Cork
Castle upton, Templepatrick, Co. Antrim
Russborough House, Blessington, Co. Wicklow

Acer macrophyllum

Killcroney, Bray, Co. Wicklow
Polo grounds, Phoenix park, Co. Dublin
Trinity College, Dublin, Co. Dublin
Trinity College, Dublin, Co. Dublin
Trinity College, Dublin, Co. Dublin

Acer opalus

Powerscourt, Enniskerry, Co. Wicklow

Acer platanoides

Drum Manor, Cookstown, Co. Tyrone
Newtownanner Stud, Clonmel, Co. Tipperary

Acer pseudoplatanus

Ardkill Castle, Carbury, Co. Kildare
Ballinakill, Co. Laois
Ballinrobe Golf Course, Ballinrobe, Co. Mayo
Belcoo Green, Belcoo, Co. Fermanagh
Benvarden, Dervock, Ballymoney, Co. Antrim
Benvarden, Dervock, Ballymoney, Co. Antrim
Castlebellew, Moylough, Co. Galway
Castletownsend, Co. Cork
Castleward, Strangford, Co. Down
Clonbrock, Ahascragh, Ballinasloe, Co. Galway
Community Centre, Myshall, Co. Carlow
Craigdunn castle, Craigs, Co. Antrim
Crumlin Park House, Ardnasodan, Co. Galway
Drenagh, Limavady, Co. Londonderry
Drenagh, Limavady, Co. Londonderry
Druids Glen, Newtownmountkennedy, Co. Wicklow
Drumcliffe, Co. Sligo
Glenart Castle, Arklow, Co. Wicklow
Gormanstown College, Gormanstown, Co. Meath
Headford Golf Club, Kells, Co. Meath
Kilcurry, Dundalk, Co. Louth
Kildavin, Co. Carlow
Killeen Castle, Dunsany, Co. Meath
Kilmore Cathedral, Kilmore, Co. Cavan
Knockabbey Gardens, Tallanstown, Louth, Co. Louth
Lismullen, Navan, Co. Meath
Main Street, Buttavant, Cork, Co. Cork
Moira Demesne, Moira, Co. Down
Money House, Coolkenna, Co. Wicklow
Montalto House, Ballynahinch, Co. Down
Narrow Water Castle, Warrenpoint, Co. Down
St. Fintan's Tree, Clonenagh, Mountrath, Co. Laois
St. Mobhi's Well, Milverton, Skerries, Co. Dublin
Streull Wells, Downpatrick, Co. Down
Templeport, Corboy, Bawnboy, Co. Cavan
The Green, Bansha, Co. Tipperary
Tullowbrin, Johnswell, Co. Kilkenny

Acer pseudoplatanus f. variegatum

Dowth, Bend of the Boyne, Drogheda, Co. Meath

Acer rubrum

Lismore castle, Lismore, Co. Waterford

Acer saccharinum

Garda Headquarters, Phoenix Park, Dublin, Co. Dublin
People's Park, Phoenix Park, Dublin, Co. Dublin

Aesculus hippocastanum

Ballyfin House, Ballyfin, Co. Laois
Boom hall, Derry, Co. Londonderry
Brandondale, Graiguenamanagh, Co. Kilkenny
Caheroyan, Newline, Athenry, Co. Galway
Caledon, Co. Tyrone
Castle Bernard, Bandon, Co. Cork
Chesterfield Road, Phoenix Park, Dublin, Co. Dublin
Clonfert Cathedral, Clonfert, Co. Galway
Dowdenstown, Punchestown, Naas, Co. Kildare
Drummin House, Carbury, Co. Kildare
Dun A Ri Forest Park, Kingscourt, Cavan, Co. Cavan
Glendine House, Dungarvan, Waterford, Co. Waterford
Kilballyowen House, Bruff, Co. Limerick
Kilbixy Church, Ballynacarrigy, Co. Westmeath
Kilfane House, Thomastown, Co. Kilkenny
Killegar, Carrigallen, Leitrim, Co. Leitrim
Lough Key Forest Park, Boyle, Co. Roscommon
Moatabulcane, Co. Tipperary
Oakfield House Demesne, Raphoe, Co. Donegal
Palmerstown House, Johnstown, Naas, Co. Kildare
Pettigo, Tullyhommon, Co. Fermanagh
Rossanna, Ashford, Co. Wicklow
Shercock Road, Carrickmacross, Monaghan, Co. Monaghan
Sligo Road, Donegal town, Co. Donegal
The Village, Templepatrick, Co. Antrim
Westcourt, Callan, Co. Kilkenny
Westcourt, Callan, Co. Kilkenny
Willford Bridge, Ballingarry, Co. Tipperary

Aesculus x carnea

Seamus Ennis Cultural Centre, Naul, Co. Dublin
The Square, Freshford, Co. Kilkenny

Agathis australis

Illnacullin, Glengarriff, Co. Cork

Ailanthus altissima

St.Patrick's College, Maynooth, Co. Kildare

Ailanthus altissima 'Duclouxii'

National Botanic Gardens, Glasnevin, Dublin 9, Co. Dublin

Alnus glutinosa

Ballyseede, Tralee, Co. Kerry
Derrymore, Bessbrooke, Co. Armagh
Legan, County Longford, Co. Longford
Reenadinna Wood, Muckross, Killarney National Park, Co. Kerry
St. Mollins Well, Mullinakill, Thomastown, Co. Kilkenny
The Uragh, Lough Inchaquinn, Lauragh, Co. Kerry

Araucaria araucana

Community Centre, Myshall, Co. Carlow
Dredge Bridge, Caledon, Co. Armagh
Glenam House, Clonmel, Co. Tipperary
Lough Fea, Carrickmacross, Co. Monaghan
Lough Rinn Hotel, Mohill, Leitrim, Co. Leitrim
Mahon Point, Mahon, Cork, Co. Cork
Mourne Park, Kikeel, Co. Down
Powerscourt, Enniskerry, Co. Wicklow
Powerscourt, Enniskerry, Co. Wicklow
Slane abbey, Hill of Slane, Slane, Co. Meath
Woodstock Gardens, Inistioge, Co. Kilkenny

Araucaria heterophylla

Glanleam, Knightstown, Valentia, Co. Kerry

Arbutus unedo

Hazelwood Forest, Sligo, Co. Sligo
Kilruddery House, Bray, Co. Wicklow
Reenadinna Wood, Muckross, Killarney National Park, Co. Kerry
Tower Wood, Killarney National Park, Co. Kerry

Arbutus x andrachnoides

Berkley Court Hotel, Ballsbridge, Co. Dublin
National Botanic Gardens, Glasnevin, Dublin 9, Co. Dublin
RTE Studio, Montrose, Donnybrook, Co. Dublin

Athrotaxis laxifolia

Brooke hall, Derry, Co. Londonderry

Betula albosinensis var. septentrionalis

Brooke hall, Derry, Co. Londonderry

Betula pendula

Belcoo Green, Belcoo, Co. Fermanagh
Burton Hall Campus, Sandyford Industrial Estate, Dublin, Co. Dublin
Well of Doon, Kilmacrenan, Co. Donegal

Betula pubescens

Crawford square, Derry, Co. Londonderry
Rash house, Omagh, Co. Tyrone
Tomies Wood, Killarney National Park, Co. Kerry

Buxus sempervirens

Birr Castle, Birr, Co. Offaly

Calocedrus decurrens

Castle Leslie, Glaslough, Co. Monaghan
Drumantine house, Newry, Co. Down
Glenart Castle, Arklow, Co. Wicklow

Carpinus betulus

Carra Castle, Lough Carra, Mayo, Co. Mayo
Dunganstown Castle, Kilbride, Co. Wicklow
Kilballyowen House, Bruff, Co. Limerick
Kilruddery House, Bray, Co. Wicklow
Thornville, Palatine, Co. Carlow

Castanea sativa

Avondale, Rathdrum, Co. Wicklow
Ballyarthur House, Woodenbridge, Co. Wicklow
Ballydarton House, Fenagh, Co. Carlow
Ballymurn, Enniscorthy, Co. Wexford
Ballyraheen, Tinehely, Co. Wicklow
Blackhills, Abbeyleix, Co. Laois
Bookey Bridge, Laragh, Co. Wicklow
Borris House, Borris, Co. Carlow
Bunratty House, Bunratty, Co. Clare
Cappoquin House, Cappoquin, Co. Waterford
Castle Mary, Cloyne, Cork, Co. Cork
Clonbrock, Ahascragh, Ballinasloe, Co. Galway
Corick House Hotel, Clogher, Co. Tyrone
Cranmore, Malone road, Belfast, Co. Antrim
Cultra, Co. Down
Doneraille Park, Doneraille, Cork, Co. Cork
Dunleckney Farm, Bagenalstown, Co. Carlow
Fernhill Gardens, Stepaside, Co. Dublin
Hezlett House, Castlerock, Co. Londonderry
Kilboy, Silvermines, Co. Tipperary
Littleton, Co. Tipperary
Oakfield House Demesne, Raphoe, Co. Donegal
Oakfield House Demesne, Raphoe, Co. Donegal
Powerscourt, Enniskerry, Co. Wicklow
Rockfield House, Rathowen, Co. Westmeath
Rossanna, Ashford, Co. Wicklow
Scarva House, Scarva, Co. Down
Shanbally Castle, Clogheen, Co. Tipperary
Shandy Hall, Dripsey, Co. Cork
Shannongrove, Pallaskenry, Co. Limerick
Shannongrove, Pallaskenry, Co. Limerick
Shannongrove, Pallaskenry, Co. Limerick
St Patrick's Church, Cairncastle, Co. Antrim
Strokestown Park, Strokestown, Co. Roscommon
Tynan Abbey, Tynan, Co. Armagh
Westfield, Castletown, Co. Laois
Weston Cottage, Bunclody, Co. Wexford
Zephyr Lodge, Kells, Co. Meath

Catalpa bignonioides

Beech Park, Clonsilla, Co. Dublin
Coole Park, Gort, Co. Galway
Drumalis, Larne, Co. Antrim

Catalpa speciosa

Mourne Park, Kikeel, Co. Down

Catalpa x erubescens

Fitzgerald Park, Mardyke, Cork, Co. Cork

Cedrus atlantica Glauca Group

Emo Court, Emo, Co. Laois

Cedrus atlantica 'Pendula'

National Botanic Gardens, Glasnevin, Dublin 9, Co. Dublin

Cedrus deodara

Knocklofty House, Clonmel, Co. Tipperary
The K Club, Straffan, Co. Kildare
Tollymore Forest Park, Newcastle, Co. Down

Cedrus libani

Adare Manor Hotel and Golf Club, Adare, Co. Limerick
Aras an Uachtarain, Phoenix Park, Co. Dublin
Baronscourt Estate, Baronscourt, Co. Tyrone
Carton Estate, Maynooth, Co. Kildare
Castle Forbes, Newtownforbes, Co. Longford
Castle Forbes, Newtownforbes, Co. Longford
Castle Forbes, Newtownforbes, Co. Longford
Castle Leslie, Glaslough, Co. Monaghan
Kildalton College, Piltown, Co. Kilkenny
Malahide Castle, Malahide, Co. Dublin
Marley Park, Rathfarnham, Co. Dublin
Newtownanner House, Clonmel, Co. Tipperary
Red house, Ardee, Co.louth, Co. Louth
Shane Castle, Antrim, Co. Antrim
Tankardstown House, Rathkenny, Co. Meath

Cercidiphyllum japonicum

Aras an Uachtarain, Phoenix Park, Co. Dublin
Ashbourne House, Glounthaune, Cork, Co. Cork
Monksgrange, Killanne, Co. Wexford

Cercis siliquastrum

Simmonscourt Castle, Ballsbridge, Dublin 4, Co. Dublin

Chamaecyparis lawsoniana

Altamont Gardens, Ballon, Co. Carlow
Gurteen le Poer, Kilsheelan, Co. Waterford
Whitehead, Co. Antrim

Chamaecyparis lawsoniana 'Allumii'

Templeathea, Athea, Co. Limerick

Chamaecyparis lawsoniana 'Erecta'

Lough Rinn Hotel, Mohill, Leitrim, Co. Leitrim
Myross, Leap, Co. Cork

Chamaecyparis lawsoniana 'Kilmacurragh'

Kilmacurragh, Kilbride, Co. Wicklow

Chamaecyparis lawsoniana 'Lutea'

Newmarket, Co. Kilkenny

Chamaecyparis lawsoniana 'Wisselii'

Brooke hall, Derry, Co. Londonderry

Chamaecyparis nootkatensis

Woodbrook Demesne, Kiltealy, Co. Wexford

Cinnamomum camphora

Fota Arboretum, Fota, Co. Cork

Clethra arborea

Glanleam, Knightstown, Valentia, Co. Kerry

Cordyline australis

Breanaski, Achill Island, Co. Mayo
Kylemore Abbey, Letterfrack, Galway, Co. Galway
Lissadell, Carney, Co. Sligo
Seaview House, Seaview, Tramore, Co. Waterford

Corylus avellana

Carnahalla, Cappaghwhite, Co. Tipperary
St Colmcilles Holy Well, Carryblagh, Portsalon, Co. Donegal
St. Brigidswell, Castlearmstrong, Ballycumber, Co. Offaly

Crataegus monogyna

Ballymount, Calverstown, Kildare, Co. Kildare
Bangor Erris, Co. Mayo
Blackpatch, Killasser, Swinford, Co. Mayo
Castlekeeran, Kells, Co. Meath
Church street, Kilrea, Co. Londonderry
Clareen, Co. Offaly
Clareen, Co. Offaly
Clonmacnoise, Co. Offaly
Coolaghmore Hill, Callan, Co. Kilkenny
Derrynaflan Island, Horse and Jockey, Co. Tipperary
Dromoland, Co. Clare
Drumersee, Swanlinbar, Co. Cavan
Freestone Hill, Coolgrange, Cliften, Co. Kilkenny
Hill of Tara, Navan, Co. Meath
Johnnie Fox's Pub, Glencullen, Co. Dublin
Johnstown North, Castledermot, Co. Kildare
Killary Harbour, Leenane, Co. Galway
Kilskyre, Kells, Co. Meath
Mullaghmore North, Moylough, Co. Galway
Old Leighlin, Co. Carlow
Ragwell, Knocklucas, Clonmel,Waterford, Co. Waterford
Rahugh, Kilbeggan, Co. Westmeath
Rubble, Killasser, Swinford, Co. Mayo
St Colman's Well, Kiltartan, Gort, Co. Galway
St Mary's Well, Rosserk Abbey, Ballina, Co. Mayo
St Molua's Well, Roscomroe, Longford, Co. Offaly
St Olcans well, Cranfield, Co. Antrim
St Patricks Bush, Oran, Co. Roscommon
St. Kevin's Well, Clonabreany, Crossakeel, Co. Meath
St. Patrick's Bush, Kilmog, Kilkenny, Co. Kilkenny
St.Carthach Church, Rahan, Tullamore, Co. Offaly
Stranmillis road, Belfast, Co. Antrim
The Old Bog Road, Cashel to Clifton, Connemara, Co. Galway
Tinnranny, Rosbercon, Co. Kilkenny
Tubrid, Killinaspick, Co. Kilkenny
Tullymore, Ballyshannon, Co. Donegal
Tullyoghallen, Beleek, Co. Armagh

Cryptomeria japonica

Ardnagashel Estate, Ballylickey, Cork, Co. Cork
Caher House, Caher, Co. Clare
Castle Mary, Cloyne, Cork, Co. Cork
Curraghmore, Portlaw, Co. Waterford
Lissalene Gardens, Clonakilty, Cork, Co. Cork
Powerscourt, Enniskerry, Co. Wicklow

Cryptomeria japonica Elegans Group

Ashford Castle Hotel, Cong, Mayo, Co. Mayo
Derreen Gardens, Lauragh, Co. Kerry
Johnstown Castle, Johnstown, Wexford, Co. Wexford
Kilmacurragh, Kilbride, Co. Wicklow

Cryptomeria japonica 'Spiralis'

Fota Arboretum, Fota, Co. Cork

Cunninghamia lanceolata

Brooke hall, Derry, Co. Londonderry
Mount Usher Gardens, Ashford, Co. Wicklow

Cupressus cashmeriana

Ashbourne House, Glounthaune, Cork, Co. Cork

Cupressus lusitanica

Kilmacurragh, Kilbride, Co. Wicklow

Cupressus macrocarpa

Ballyhooly Churchyard, Co. Cork
Belmont House, Innishannon, Cork, Co. Cork
Burton Hall Campus, Sandyford Industrial Estate, Dublin, Co. Dublin
Capuchin Friary, Ards, Cresslough, Co. Donegal
Cheeverstown Resource Centre, Templeogue, Co. Dublin
Clare Road, Ennis, Co. Clare
Clontra House, Shankill, Co. Dublin
Currabir Bridge, Ravansdale, Dundalk, Co. Louth
Dromoland Castle, Newmarket-on-Fergus, Co. Clare
Drum Manor, Cookstown, Co. Tyrone
Emo Court, Emo, Co. Laois
Fair Green, Kenmare, Co. Kerry
Gyles Quay, Slieverue, Co. Kilkenny
Hockley Lodge, 11 Drumilly Road, Armagh, Co. Armagh
Mount Congreve, Kilmeadan, Co. Waterford
Mount Trenchard, Foynes, Co. Limerick
Muckross House, Killarney National Park, Co. Kerry
Richardstown Castle, Ardee, Co. Louth
Ringdufferin House, Killyleigh, Co. Down
Rossorry, Enniskillen, Co. Fermanagh
St Colmcille's Church, Swords, Co. Dublin
Suirville, Dunmore Road, Waterford, Co. Waterford
University of Limerick, Plassey, Limerick, Co. Limerick

Cupressus macrocarpa 'Lutea'

Ballyconnell House, Falcarragh, Co. Donegal
Old Post Office, Church Cross, Skibereen, Co. Cork
Tralee, Co. Kerry

Cupressus macrocarpa 'Pendula'

Glencormac, Kilmacanoge, Co. Wicklow
Greenmount, Castlebellingham, Co. Louth

Cupressus sempervirens

Kilruddery House, Bray, Co. Wicklow
Powerscourt, Enniskerry, Co. Wicklow

Cyathea dealbata

Glanleam, Knightstown, Valentia, Co. Kerry
nr. Sneem, Sneem, Co. Kerry

Cyathea medullaris

nr. Sneem, Sneem, Co. Kerry

Dacrydium cupressinum

Illnacullin, Glengarriff, Co. Cork

Davidia involucrata var. vilmoriniana

Rowallane Gardens, Saintfield, Co. Down

Dicksonia antarctica

Derreen Gardens, Lauragh, Co. Kerry
Kells Bay Gardens, Kells, Co. Kerry

Drimys winteri

Glin Castle, Glin, Co. Limerick
Monksgrange, Killanne, Co. Wexford

Emmenopterys henryi

Mount Usher Gardens, Ashford, Co. Wicklow

Eucalyptus globulus

Eccles Hotel, Glengarriff, Co. Cork
Eccles Hotel, Glengarriff, Co. Cork
Kilruddery House, Bray, Co. Wicklow
nr. Sneem, Sneem, Co. Kerry

Eucalyptus gunnii

Lissadell House, Co. Sligo

Eucalyptus johnstonii

Ballynastragh estate, Killinierin, Co. Wexford
St Mary's and St Michael's Church, Rathdrum, Co. Wicklow

Eucryphia x nymansensis 'Mount Usher'

Mount Usher Gardens, Ashford, Co. Wicklow

Euonymus europaeus

Charleville Forest, Tullamore, Co. Offaly

Fagus grandifolia

Avondale, Rathdrum, Co. Wicklow

Fagus sylvatica

Aughentaine, Fivemiletown, Co. Tyrone
Ballinacard House, Kilcormac, Co. Offaly
Ballinacree, Oldcastle, Co. Meath
Barmeath Castle, Dunleer, Co. Louth
Baronscourt Estate, Baronscourt, Co. Tyrone
Baronscourt Estate, Baronscourt, Co. Tyrone
Barraderry House, Kiltegan, Co. Wicklow
Bective Abbey, Kilmessan, Trim, Co. Meath
Blarney Estate, Blarney, Cork, Co. Cork
Cappnashanna, Ballinakill, Co. Laois
Carnelly House, Clarecastle, Co. Clare
Castlecomer Golf Club, Castlecomer, Co. Kilkenny
Castlecoole Estate, Enniskillen, Co. Fermanagh
Coolaney Bridge, Coolaney, Co. Sligo
Drenagh, Limavady, Co. Londonderry
Dublin Road, Dunshaughlin, Co. Meath
Glebe Gallery, Churchill, Co. Donegal
Glenville house, Glenville, Cork, Co. Cork
Gort na mona, Ballinasloe, Co. Galway
Gort na mona, Ballinasloe, Co. Galway
Gracehill, Moss-side, Co. Antrim
Grange, Stradbally, Co. Laois
Grennan, Oldcastle, Co. Meath
Hilton Park, Scotstown, Co. Monaghan
Kerdifstown House, Johnstown, Naas, Co. Kildare
Killavullen Castle, Killavullen, Mallow, Co. Cork
Killegar, Carrigallen, Leitrim, Co. Leitrim
Kilruddery House, Bray, Co. Wicklow
Lackagh, Turloughmore, Galway, Co. Galway
Lions Den House, Longwood, Co. Meath
Lough Fea, Carrickmacross, Co. Monaghan
Moat of Ardscull, Athy, Co. Kildare
Monaincha Abbey, Roscrea, Co. Tipperary
Money House, Coolkenna, Co. Wicklow
Moyola Park, Castledawson, Co. Londonderry
Powerscourt, Enniskerry, Co. Wicklow
Prospect Cemetery, Glasnevin, Co. Dublin
Prospect Cemetery, Glasnevin, Co. Dublin
Rahugh, Kilbeggan, Co. Westmeath
Ratharney, Colehill, Longford, Co. Longford
Rathmore, Ballymahon, Co. Longford
Rich Hill House, Rich hill, Co. Armagh
Rockview, Knockfad, Ballyhaise, Co. Cavan
Russborough House, Blessington, Co. Wicklow
St Nicholas Church, Adare, Co. Limerick
Stradbally Hall, Stradbally, Co. Laois
Streamstown, Co. Westmeath
Templeport, Corboy, Bawnboy, Co. Cavan
Tralee Town Park, Tralee, Co. Kerry
Tullynally Castle, Castlepollard, Co. Westmeath
Tullynally Castle, Castlepollard, Co. Westmeath
Turlicar, Monivea, Co. Galway
Whigsborough, Fivealley, Co. Offaly

Fagus sylvatica Atropurpurea Group

Ballinacard House, Kilcormac, Co. Offaly
Belcoo Green, Belcoo, Co. Fermanagh
Coole Park, Gort, Co. Galway
Diseart, Dingle, Co. Kerry
Donade Junction, Kilcullen, Co. Kildare
Mental Health Centre, Sligo, Co. Sligo
Old Leighlin, Co. Carlow
Red house, Ardee, Co.louth, Co. Louth
St Bridget's, Convent of Mercy, Clara, Co. Offaly

Fagus sylvatica 'Birr Zebra'

Birr Castle, Birr, Co. Offaly

Fagus sylvatica 'Contorta'

Blessingbourne Estate, Fivemiletown, Co. Tyrone
Parkanaur, Dungannon, Co. Tyrone
Parkanaur, Dungannon, Co. Tyrone

Fagus sylvatica 'Dawyck'

Willbrook House, Willbrook, Co. Dublin

Fagus sylvatica 'Lutea Marginiata'

Castle Leslie, Glaslough, Co. Monaghan
Ballinter House, Navan, Co. Meath

Fagus sylvatica 'Pendula'

Ballyloughan House, Bruckles, Co. Donegal
Somerville House, Kentstown, Co. Meath

Fagus sylvatica var. heterophylla

Green House, Rathmelton, Co. Donegal
Mount Annville Secondary School, Stillorgan, Dublin 6, Co. Dublin

Fitzroya cupressoides

Brooke hall, Derry, Co. Londonderry

Fraxinus excelsior

Ardfert House, Thurles, Co. Tipperary
Ballinacard House, Kilcormac, Co. Offaly
Ballindoolin House, Grange, Carbury, Co. Kildare
Ballyhurst, Co. Tipperary
Ballymoney, Co. Antrim
Ballynahown, Athlone, Co. Westmeath
Ballynatray Estate, Youghal, Waterford, Co. Waterford
Ballytobin House, Callan, Co. Kilkenny
Ballywalter House, Dundrum, Co. Tipperary
Blackhead Road, Ballyvaughan, Co. Clare
Blandsford, Ballyroan, Co. Laois
Boherard, Clonmellon, Co. Westmeath
Carnalway Lodge, Killcullen, Co. Kildare
Carraig Dun, Ballinrobe, Co. Mayo
Castlecoote, Fuerty, Roscommon, Co. Roscommon
Clonalvy, Ardcath, Co. Meath
Clonkeen, Tang, Co. Westmeath
Clonmahan House, Summerhill, Co. Meath
Clonmel, Co. Tipperary
Colebrooke Estate, Brookeborough, Co. Fermanagh
Coolaghmore, Callan, Co. Kilkenny
Coppenagh, Tullow, Co. Carlow
Cross House, Menlough, Co. Galway
Danestown, Balrath, Navan, Co. Meath
Davidstown House, Castledermot, Co. Kildare
Deerpark, Shillelagh, Co. Wicklow
Doss Tree, Portlee west, Toome, Co. Antrim
Enfield, Co. Meath
Finnebrogue, Downpatrick, Co. Down
Fore, Castlepollard, Co. Westmeath
Fore, Castlepollard, Co. Westmeath
Garrendenny, Garrendenny, Co. Laois
Gurteen le Poer, Kilsheelan, Co. Waterford
Gurteen, Mullinahone, Co. Tipperary
Guystown, Ballindrait, Co. Donegal
Hilton Park, Scotstown, Co. Monaghan
Inch Abbey, Downpatrick, Co. Down
Islandmore, Croom, Co. Limerick
Killcreene Hospital, Kilkenny City, Co. Kilkenny
Killeighter Graveyard, Kilcock, Co. Kildare
Lahardan, Two Mile Borris, Co. Tipperary
Leamonaghan, Co. Offaly
Lisbeg Stud, Eyrecourt, Galway, Co. Galway
Lisbeg Stud, Eyrecourt, Galway, Co. Galway
Lisbeg Stud, Eyrecourt, Galway, Co. Galway
Lisbeg Stud, Eyrecourt, Galway, Co. Galway
Lismore castle, Lismore, Co. Waterford
Markree Castle, Collooney, Co. Sligo
Marlfield House, Clonmel, Co. Tipperary
Mellifont Abbey, Slane, Co. Meath
Moira Demesne, Moira, Co. Down
Monaincha House, Roscrea, Co. Tipperary
Mount Caulfield House, Bessbrook, Co. Armagh
Mountbridgit, Buttavant, Co. Cork
Moyne House, Durrow, Co. Laois
Newman House, St. Stephen's Green, Dublin, Co. Dublin
O'Gulla Shrine, Tulsk, Roscommon, Co. Roscommon
Organic Galloway Farm, Lecarrow, Drumkeeran, Co. Leitrim
Oughtmama Hill, Bell harbour, Co. Clare
Purcells Gardens, Threecastles, Kilkenny, Co. Kilkenny
Rash house, Omagh, Co. Tyrone
Seapoint Road, Termonfeckin, Co. Louth
Springfield Castle, Drumcollogher, Co. Limerick
St Benin's Well, Kilbennan, Tuam, Co. Galway
St Bernard's Well, Rathkeale, Co. Limerick
St Brigid's Well, Killare, Westmeath, Co. Westmeath
St Colman's Well, Kiltartan, Gort, Co. Galway
St Flannan's Well, Inagh, Co. Clare
St Patricks Well, Dromard, Co. Sligo
St Patricks Well, Miskaun Glebe, Aughnasheelan, Co. Leitrim
St. Anne's Well, Bohernabreena, Co. Dublin
St. Cuan's Well, Toberchuain, Co. Waterford
St.Finbar's Oratory, Gougane Barra, Ballingeary, Co. Cork
Stradbally Hall, Stradbally, Co. Laois
Temple House, Ballymote, Co. Sligo
The Cottage, Dublin road, Roscrea, Co. Tipperary
Thilly Church, Laughaun, Coalraine, Tullamore, Co. Offaly
Thilly Church, Laughaun, Coalraine, Tullamore, Co. Offaly
ThreeCastles House, Kilbride, Blessington, Co. Wicklow
Tinarana House, Killaloe, Co. Clare
Tober lachteen, Knocknagranshy, Manister, Co. Limerick
Toberdoney House, Dunleer, Co. Louth
Tromroe, Castlepollard, Westmeath, Co. Westmeath
Tulfaris Golf Club, Blessington, Co. Wicklow
Tullynally, Castlepollard, Co. Westmeath
Tullynally, Castlepollard, Co. Westmeath
Tynan Abbey, Tynan, Co. Armagh
Tynan Abbey, Tynan, Co. Armagh
Wardenstown, Killucan, Co. Westmeath

Fraxinus excelsior 'Pendula'

Fairfield House, Ahascragh, Co. Galway
Milltown, Monaghan, Co. Monaghan

Fraxinus ornus

Rowallane Gardens, Saintfield, Co. Down

Ginkgo biloba

Adare Manor Hotel and Golf Club, Adare, Co. Limerick
Annalivia Mills, Lucan, Co. Dublin
Ashbourne House, Glounthaune, Cork, Co. Cork
Bantry House, Bantry, Cork, Co. Cork
Bantry House, Bantry, Cork, Co. Cork
Beech Park, Clonsilla, Co. Dublin
Gormanston College, Gormanston, Co. Meath
Grange Park, Dungannon, Co. Tyrone
Hawthorn Heights, Dunkineely, Co. Donegal
Kilmacurragh, Kilbride, Co. Wicklow
Lismullen, Navan, Co. Meath
Mercy Convent, Killarney, Co. Kerry
National University of Galway, Galway, Co. Galway
Reynella House, Bracklyn, Mullingar, Co. Westmeath
Shane Castle, Antrim, Co. Antrim
St Joseph's Centre for Visually Impaired, Gracepark Road, Drumcondra, Co. Dublin
St. Damian's Convent, Ballsbridge, Dublin 4, Co. Dublin
Tankardstown House, Rathkenny, Co. Meath

Griselinia littoralis

Derreen Gardens, Lauragh, Co. Kerry

Ilex aquifolium

Ardnavaha House, Ballinascarthy, Cork, Co. Cork
Ballincrea, Myshall, Co. Carlow
Broadleas, Ballymore Eustace, Co. Kildare
Chrysalis Centre, Old Rectory, Donard, Co. Wicklow
Clogheen, Co. Tipperary
Cloghfune, Killarney National Park, Co. Kerry
Cullen, Co. Tipperary
Glenveagh Castle, Churchill, Co. Donegal
Grange Lodge, 7 Grange Road, Dungannon, Co. Tyrone
Innisfallen Island, Killarney National Park, Co. Kerry
Killineer House, Drogheda, Co. Louth
Myrtle Grove, Youghal, Cork, Co. Cork
Red house, Ardee, Co.louth, Co. Louth
Reenadinna Wood, Muckross, Killarney National Park, Co. Kerry
The Old Bog Road, Cashel to Clifton, Connemara, Co. Galway
Tobernalt, Carraroe, Sligo, Co. Sligo
Tobersool, Balbriggan, Co. Dublin
Tomies Wood, Killarney National Park, Co. Kerry
Tomies Wood, Killarney National Park, Co. Kerry
Tomies Wood, Killarney National Park, Co. Kerry

Ilex aquifolium 'Albomarginata'

Ballydarton House, Fenagh, Co. Carlow
Ballydarton House, Fenagh, Co. Carlow

Ilex x altaclerensis 'Hendersonii'

The Cedars, Dunganstown, Wicklow, Co. Wicklow

Jubaea chilensis

Kells Bay Gardens, Kells, Co. Kerry

Juglans ailanthifolia

Belgrove, Great Island, Cork, Co. Cork

Juglans nigra

Ballykilcavan, Stradbally, Co. Laois
Burnchurch House, Bennetsbridge, Co. Kilkenny
Collinstown, Leixlip, Co. Kildare
Merlin House, Colville Road, Clonmel, Co. Tipperary

Juglans regia

Annsfort, Lisronagh, Co. Tipperary
Ballinlough Castle, Clonmellon, Co. Westmeath
Clogherstown, Ardcath, Co. Meath
Limbrick Cross Roads, Killinierin, Co. Wexford
Marlfield Farm, Clonmel, Co. Tipperary
Marlfield House, Clonmel, Co. Tipperary
Moyola Park, Castledawson, Co. Londonderry
Tallaght Priory, Tallaght, Dublin, Co. Dublin
Thornville, Palatine, Co. Carlow

Juniperus communis

Portumna Castle, Portumna, Co. Galway
The Burren, Blacklion, Co. Cavan

Juniperus recurva 'Castlewellan'

Castlewellan Forest Park, Castlewellan, Co. Down

Kalopanax septemlobus

Avondale, Rathdrum, Co. Wicklow

Laburnum alpinum

Colebrooke Estate, Brookeborough, Co. Fermanagh
Colebrooke Estate, Brookeborough, Co. Fermanagh
Glenart Castle, Arklow, Co. Wicklow

Larix decidua

Barnett Demesne, Lagan Valley, Belfast, Co. Antrim
Bunclody, Co. Wexford
Dalemount, Moone, Co. Kildare
Illnacullin, Glengarriff, Co. Cork
Kilruddery House, Bray, Co. Wicklow
The K Club, Straffan, Co. Kildare
Woodstock Demesne, Inistioge, Co. Kilkenny

Larix kaempferi

Altadaven Wood, Augher, Co. Tyrone

Laureliopsis philippiana

Kilmacurragh, Kilbride, Co. Wicklow

Laurus nobilis

Barmeath Castle, Dunleer, Co. Louth
Mount Stewart, Ards, Co. Down
St. Joseph's Boys National School, Rathgar Road, Terenure D4, Co. Dublin

Ligustrum lucidum

University College Cork, Mardyke, Cork, Co. Cork

Liquidambar styraciflua

Adare Manor Hotel and Golf Club, Adare, Co. Limerick
Castle Bernard, Bandon, Co. Cork
Johnstown Castle, Johnstown, Wexford, Co. Wexford
Kilruddery House, Bray, Co. Wicklow
Marlfield House, Clonmel, Co. Tipperary
Montalto House, Ballynahinch, Co. Down
Mount Usher Gardens, Ashford, Co. Wicklow
St Patrick's College, Maynooth, Co. Kildare

Liriodendron tulipifera

Ballydavidwood House, Bansha, Co. Tipperary
Bloomsbury House, Kells, Co. Meath
Clogheen, Co. Tipperary
Drum Manor, Cookstown, Co. Tyrone
Dunderry, Co. Antrim
Glenbrook House, Delgany, Co. Wicklow
Glenstal Abbey, Murroe, Co. Limerick
Hockley Lodge, 11 Drumilly Road, Armagh, Co. Armagh
Kilballyowen House, Bruff, Co. Limerick
Knockabbey Gardens, Tallanstown, Louth, Co. Louth
Lough Rinn Hotel, Mohill, Leitrim, Co. Leitrim
Medical School, Curragh Camp, Co. Kildare
Medical School, Curragh Camp, Co. Kildare
Molenan House, Derry, Co. Londonderry
Myra Castle, Downpatrick, Co. Down
Shelton Abbey, Arklow, Co. Wicklow
The K Club, Straffan, Co. Kildare

Luma apiculata

Ardnagashel Lodge, Ballylickey, Cork, Co. Cork
Courtmacsherry Hotel, Courkmacsherry, Co. Cork

Luma apiculata 'Glanleam Gold'

Glanleam, Knightstown, Valentia, Co. Kerry

Magnolia acuminata

The Bishop's See, Kilmore, Co. Cavan

Magnolia campbellii

Belgrove, Great Island, Cork, Co. Cork
Castlelough House, Portroe, Co. Tipperary

Magnolia delavayi

Lismore castle, Lismore, Co. Waterford

Magnolia grandiflora

Aras an Uachtarain, Phoenix Park, Co. Dublin
Ashbourne House, Glounthaune, Cork, Co. Cork
Castlelough House, Portroe, Co. Tipperary

Magnolia sargentiana var. robusta

Mount Congreve, Kilmeadan, Co. Waterford

Malus sylvestris

45 Annareagh Road, Richhill, Co. Armagh
Ballinalee, Co. Longford
Carnahalla, Cappaghwhite, Co. Tipperary
Coolusty, Athleague, Co. Roscommon
Crab Tree Hill, Battery Road, Ardboe, Co. Tyrone
Jiggenstown, Naas, Co. Kildare
Kissawamy, Carbury, Co. Kildare
Quakers Field, Killeshin, Co. Laois
ThreeCastles House, Kilbride, Blessington, Co. Wicklow
Woodlawn, Kilconnell, Co. Galway

Metasequoia glyptostroboides

Ardnagashel Estate, Ballylickey, Cork, Co. Cork
Belfast Botanic Gardens, Stranmillis Road, Belfast, Co. Antrim
Birr Castle, Birr, Co. Offaly
Brooke hall, Derry, Co. Londonderry
Headford Golf Club, Kells, Co. Meath
Japanese Gardens, Tully, Kildare, Co. Kildare
Johnstown Castle, Johnstown, Wexford, Co. Wexford
Lismore castle, Lismore, Co. Waterford
National Botanic Gardens, Glasnevin, Dublin 9, Co. Dublin
Newbay House Hotel, Wexford, Wexford, Co. Wexford
Powerscourt, Enniskerry, Co. Wicklow
Whitehead, Co. Antrim

Metrosideros excelsa

Castle Mary, Cloyne, Cork, Co. Cork

Metrosideros lucida

Illnacullin, Glengarriff, Co. Cork

Michelia doltsopa

Mount Congreve, Kilmeadan, Co. Waterford

Morus alba

Mount St. Josephs, Roscrea, Co. Tipperary
Mount St. Josephs, Roscrea, Co. Tipperary

Morus nigra

An Grianán, Termonfeckin, Co. Louth
Breaffy House Hotel, Castlebar, Co. Mayo
Cashel Palace Hotel, Cashel, Co. Tipperary
Cashel Palace Hotel, Cashel, Co. Tipperary
Dan Breen House, Co. Tipperary
Leisure Centre, Bangor, Co. Down
Portumna Castle, Portumna, Co. Galway
St columbas College, Rathfarnham, Co. Dublin
Teacher Training College, Upper Rathmines Road, Rathmines D4, Co. Dublin
Trinity College, Dublin, Co. Dublin

Nothofagus alpina

Mount Usher Gardens, Ashford, Co. Wicklow

Nothofagus betuloides

Powerscourt, Enniskerry, Co. Wicklow

Nothofagus cunninghamii

Cashel House Hotel, Cashel Bay, Connemara, Co. Galway

Nothofagus dombeyi

Mount Usher Gardens, Ashford, Co. Wicklow
Rostrevor House, Rostrevor, Co. Down

Nothofagus fusca

Brooke hall, Derry, Co. Londonderry

Nothofagus menziesii

Belvedere, Mullingar, Co. Westmeath

Nothofagus obliqua

Baronscourt Estate, Baronscourt, Co. Tyrone
Rostrevor House, Rostrevor, Co. Down

Nothofagus solandri var. cliffortioides

Fernhill Gardens, Stepaside, Co. Dublin
Rostrevor House, Rostrevor, Co. Down

Olea europaea

Magheramore, Wicklow, Co. Wicklow

Parrotia persica

Glin Castle, Glin, Co. Limerick

Paulownia tomentosa

Ballyhooly Castle, Ballyhooly, Co. Cork
Castle Mary, Cloyne, Cork, Co. Cork

Phoenix canariensis

Belgrove, Great Island, Cork, Co. Cork
Fota Arboretum, Fota, Co. Cork

Photinia serrulata

Cashel House Hotel, Cashel Bay, Connemara, Co. Galway

Phyllocladus trichomanoides

Fota Arboretum, Fota, Co. Cork

Picconia excelsa

old Conna Hill Golf Club, Shankill, Co. Dublin

Picea abies

Glengarra Woods, Cahir, Co. Tipperary
Tomnafinnoge Wood, Shillelagh, Co. Wicklow

Picea abies 'Clanbrassilliana'

Waringstown House, Waringstown, Co. Down

Picea breweriana

Castlewellan Forest Park, Castlewellan, Co. Down
Headford Golf Club, Kells, Co. Meath

Picea sitchensis

Abbeyleix Estate, Abbeyleix, Co. Laois
Aughentaine, Fivemiletown, Co. Tyrone
Baunreagh, Slieve Blooms, Mountrath, Co. Laois
Caledon Estate, Caledon, Co. Tyrone
Caledon Estate, Caledon, Co. Tyrone
Castle Leslie, Glaslough, Co. Monaghan
Castlefreke Forest, Roscarberry, Cork, Co. Cork
Curraghmore, Portlaw, Co. Waterford
Downhill Forest Park, Castlerock, Co. Londonderry
Downhill Forest Park, Castlerock, Co. Londonderry
Glenstal Abbey, Murroe, Co. Limerick
Lissadell House, Co. Sligo
Myross Wood Retreat Centre, Leap, Cork, Co. Cork
Shelton Abbey, Arklow, Co. Wicklow
Tempo Manor, Tempo, Co. Fermanagh
Tempo Manor, Tempo, Co. Fermanagh
Tully, Kildare, Co. Kildare

Picea smithiana

Castlewellan Forest Park, Castlewellan, Co. Down

Pinus ayacahuite

Brooke hall, Derry, Co. Londonderry

Pinus canariensis

Mount Usher Gardens, Ashford, Co. Wicklow

Pinus cembra

Castle Leslie, Glaslough, Co. Monaghan

Pinus deceptus

Carrick, Dalystown, Mullingar, Co. Westmeath

Pinus montezumae

Mount Usher Gardens, Ashford, Co. Wicklow

Pinus nigra var. caramanica

Montalto House, Ballynahinch, Co. Down

Pinus nigra var. corsicana

Powerscourt, Enniskerry, Co. Wicklow
Powerscourt, Enniskerry, Co. Wicklow

Pinus nigra var. nigra

Antrim Castle, Antrim, Co. Antrim

Pinus peuce

Rowallane Gardens, Saintfield, Co. Down

Pinus pinaster

Curraghmore, Portlaw, Co. Waterford
Ravenswood Nature Reserve, Curracloe, Co. Wexford

Pinus pinea

Ravenswell, Bray, Wicklow, Co. Wicklow

Pinus radiata

By M1 motorway, Ravansdale, Dundalk, Co. Louth
Capuchin Friary, Ards, Cresslough, Co. Donegal
Collis-Sands House, Oak park, Tralee, Co. Kerry
Kylemore Abbey, Letterfrack, Galway, Co. Galway
Lissalene Gardens, Clonakilty, Cork, Co. Cork
Mount Stewart, Ards, Co. Down
Reenagross Woodland Park, Kenmare, Co. Kerry

Pinus sylvestris

Abbeyleix Estate, Abbeyleix, Co. Laois
Altamont, Ballon, Co. Carlow
Ballyarthur House, Woodenbridge, Co. Wicklow
Barnett Demesne, Lagan Valley, Belfast, Co. Antrim
Baronscourt Estate, Baronscourt, Co. Tyrone
Baronscourt Estate, Baronscourt, Co. Tyrone
By Kenmare Road, Muckross, Killarney National Park, Co. Kerry
Carnagh House, Keady, Co. Armagh
Clarisford, Killaloe, Co. Clare
Colebrooke Estate, Brookeborough, Co. Fermanagh
Curraghmore, Portlaw, Co. Waterford
Doo Lough, Sheffrey Hills, Mayo, Co. Mayo
Fernhill Gardens, Stepaside, Co. Dublin
Gracehill Road, Moss-side, Co. Antrim
Kilcullen Road, Russellstown, Athy, Co. Kildare
Lattin, Co. Tipperary
Manor Kilbride, Co. Wicklow
Muckross House, Killarney National Park, Co. Kerry
Rathoe, Co. Carlow
Saffron Hill, Doneraille, Cork, Co. Cork
The Frosses, Ballymena, Co. Antrim

Pinus wallichiana

Gosford Forest Park, Markethill, Co. Armagh
Kilruddery House, Bray, Co. Wicklow

Platanus orientalis

Celbridge Abbey, Celbridge, Co. Kildare
Coole Park, Gort, Co. Galway
Cypress Grove, Templeogue, Dublin 6, Co. Dublin
Moira Demesne, Moira, Co. Down
Mourne Park, Kikeel, Co. Down
The Mall, Birr, Co. Offaly
Trinity College, Dublin, Co. Dublin
Trinity College, Dublin, Co. Dublin
University College Dublin, Belfield, Dublin, Co. Dublin

Platanus x hispanica

Beaufort, Killarney, Co. Kerry
Burgage Stud Farm, Leighlinbridge, Co. Carlow
Carnelly House, Clarecastle, Co. Clare
Carrigglas manor, Longford, Co. Longford
Goresbridge, Co. Kilkenny
Grand Canal, Ballsbridge, Co. Dublin
Griffith Avenue, Marino, Dublin 3, Co. Dublin
John street, Kilkenny City, Co. Kilkenny
Kings Inns, Constitution Hill, Dublin, Co. Dublin
Leinster House, Kildare Street, Dublin, Co. Dublin
Salterbridge House, Cappaquin, Waterford, Co. Waterford
Tourin Castle, Cappoquin, Co. Waterford
Trinity College, Dublin, Co. Dublin

Podocarpus salignus

Ardnagashel Estate, Ballylickey, Cork, Co. Cork

Podocarpus totara

Kilruddery House, Bray, Co. Wicklow

Populus alba

Thomas Bridge, Kilsheelan, Co. Waterford

Populus maximowiczii

Belvedere, Mullingar, Co. Westmeath

Populus nigra

Ballymagauran, Newtowngore, Leitrim, Co. Leitrim
Ballymartin cross Roads, Borris, Co. Carlow
Killaloan Lodge, Clonmel, Co. Tipperary
Organic Galloway Farm, Lecarrow, Drumkeeran, Co. Leitrim

Populus nigra 'Italica'

Green Street, Kilkenny City, Co. Kilkenny
Green Street, Kilkenny City, Co. Kilkenny
Killinane, Bagenalstown, Co. Carlow

Populus tremula

Glenveagh Castle, Churchill, Co. Donegal
Old Bridge, Enniscorthy, Co. Wexford
Poulacapple, Callan, Co. Kilkenny

Populus x canadensis 'Serotina'

Borris House, Borris, Co. Carlow

Populus x canadensis 'Serotina Aurea'

Knocklofty House, Clonmel, Co. Tipperary

Populus x canescens

Birr Castle, Birr, Co. Offaly

Populus x vernirubens

47 Sandford Road, Ranelagh, Co. Dublin

Prunus avium

Ballynacloona, Grangemockler, Co. Tipperary
Gurteen le Poer, Kilsheelan, Co. Waterford
Marlfield Village, Clonmel, Co. Tipperary
Screggan, Tullamore, Co. Offaly
The Glebe, Priory Road, Delgany, Co. Wicklow

Prunus laurocerasus

Caher House, Caher, Co. Clare

Prunus spinosa

Dungiven Priory, Dungiven, Co. Londonderry
Dysartgallen, Ballinakill, Co. Laois

Pseudotsuga menziesii

Avondale, Rathdrum, Co. Wicklow
Drum Manor, Cookstown, Co. Tyrone
Johnstown Castle, Johnstown, Wexford, Co. Wexford
Powerscourt, Enniskerry, Co. Wicklow

Pterocarya fraxinifolia

National University of Galway, Galway, Co. Galway
University College Cork, Mardyke, Cork, Co. Cork

Pyrus communis

Guinness Brewery, St James Gate, Liberties, Co. Dublin
Peartree House, Peartree road, Ballynahinch, Co. Down
Teacher Training College, Upper Rathmines Road, Rathmines D4, Co. Dublin
Tentore House, Ballacolla, Co. Laois

Quercus castaneifolia

Mount Usher Gardens, Ashford, Co. Wicklow

Quercus cerris

Ballymenock Park, Hollywood, Co. Down
Ballyrahan, Gorey, Co. Wexford
Birchfield House, Kells road, Kilkenny, Co. Kilkenny
Camphire House, Cappaquin, Co. Waterford
Camphire House, Cappaquin, Co. Waterford
Floodhall, Knocktopher, Co. Kilkenny
Threecastles House, Kilkenny, Co. Kilkenny
Tralee Town Park, Tralee, Co. Kerry
Woodbrook Demesne, Kiltealy, Co. Wexford

Quercus frainetto

Avondale, Rathdrum, Co. Wicklow

Quercus ilex

Coole Park, Gort, Co. Galway
Courtown Estate, Courtown, Co. Wexford
Cultra, Co. Down
Fota Arboretum, Fota, Co. Cork
Hazelwood Forest, Sligo, Co. Sligo
Lough Rinn Hotel, Mohill, Leitrim, Co. Leitrim
St Anne's Park, Raheny, Dublin 5, Co. Dublin
St Anne's Park, Raheny, Dublin 5, Co. Dublin

Quercus petraea

Ardress House, Ardress, Co. Armagh
Ballybeg, Ballinglen, Aughrim, Co. Wicklow
Baronscourt Estate, Baronscourt, Co. Tyrone
Boom hall, Derry, Co. Londonderry
Borkill Beg, Kiltegan, Co. Wicklow
Carrigglas manor, Longford, Co. Longford
Castle Archdale, Irvinestown, Co. Fermanagh
Cloone Grange, Mohill, Leitrim, Co. Leitrim
Deerpark, Mount Hedges, Macroom, Co. Cork
Deerpark, Mount Hedges, Macroom, Co. Cork
Fairy Glen, Rostrevor, Co. Down
Foulkesmill, Co. Wexford
Garryhill, Co. Carlow
Glenstal Abbey, Murroe, Co. Limerick
Glenstal Abbey, Murroe, Co. Limerick
Glenveagh Castle, Churchill, Co. Donegal
Gosford Forest Park, Markethill, Co. Armagh
Killyhevlan Hotel, Enniskillen, Co. Fermanagh
Kilmacurragh, Kilbride, Co. Wicklow
Kindlestown rise, Delgany, Co. Wicklow
Malahide Castle, Malahide, Co. Dublin
Moyola Park, Castledawson, Co. Londonderry
Moyola Park, Castledawson, Co. Londonderry
Moyvore, Mullingar, Co. Westmeath
Palmerstown House, Johnstown, Naas, Co. Kildare
Rahardrum, Virginia, Co. Cavan
Rathdrum Road, Glenealy, Co. Wicklow
Rossanna, Ashford, Co. Wicklow
Roughfort, Mallusk, Co. Antrim
Roundwood, Killinure, Mountrath, Co. Laois
Shane Castle, Antrim, Co. Antrim
Shane Castle, Antrim, Co. Antrim
Shane Castle, Antrim, Co. Antrim
Shillelagh, Co. Wicklow
The Gearagh, Inniscarra Lake, Macroom, Co. Cork
The Oaks, Strathall, Derry, Co. Londonderry
Toberowen, Rathdangan, Co. Wicklow
Tomies Wood, Killarney National Park, Co. Kerry
Tomnafinnoge Wood, Shillelagh, Co. Wicklow
Tynan Abbey, Tynan, Co. Armagh

Quercus pyrenaica

old Conna Hill Golf Club, Shankill, Co. Dublin

Quercus robur

Abbeyleix Estate, Abbeyleix, Co. Laois
Abbeyleix Estate, Abbeyleix, Co. Laois
Abbeyleix Estate, Abbeyleix, Co. Laois
Aras an Uachtarain, Phoenix Park, Co. Dublin
Aras an Uachtarain, Phoenix Park, Co. Dublin
Aras an Uachtarain, Phoenix Park, Co. Dublin
Ballybrada Graveyard, Cahir, Co. Tipperary
Ballyclerahan, Clonmel, Co. Tipperary
Ballydavidwood House, Bansha, Co. Tipperary
Ballyduff, Stradbally, Co. Laois
Ballyfinska Crossroads, Cappanaboe, Co. Laois
Ballyhamilton House, Ballindaggan, Wexford, Co. Wexford
Ballykeefe, Kilmanagh, Co. Kilkenny
Ballykilcavan, Stradbally, Co. Laois
Baronscourt Estate, Baronscourt, Co. Tyrone
Baronscourt Estate, Baronscourt, Co. Tyrone
Beaulieu, Drogheda, Co. Louth
Belvedere, Mullingar, Co. Westmeath
Belvoir Forest Park, Belfast, Co. Antrim
Belvoir Forest Park, Belfast, Co. Antrim
Birr Castle, Birr, Co. Offaly
Bloody Loaning Lane, Salters Grange, Armagh, Co. Armagh
Bog Lane, Borris, Co. Carlow
Boom hall, Derry, Co. Londonderry
Borris House, Borris, Co. Carlow
Borris in Ossory, Co. Laois
Brockley Park, Stradbally, Co. Laois
Cahir Golf Club, Co. Tipperary
Carnahalla, Cappaghwhite, Co. Tipperary
Carrigglas farm, Longford, Co. Longford
Castle Forbes, Newtownforbes, Co. Longford
Castlecoole Estate, Enniskillen, Co. Fermanagh
Castlecoole Estate, Enniskillen, Co. Fermanagh
Castlehamilton, Killeshandra, Co. Cavan
Castlehamilton, Killeshandra, Co. Cavan
Castlehamilton, Killeshandra, Co. Cavan
Castletown House, Tinryland, Co. Carlow
Charleville Forest, Tullamore, Co. Offaly
Charleville Forest, Tullamore, Co. Offaly
Charleville Forest, Tullamore, Co. Offaly
Charleville Forest, Tullamore, Co. Offaly
Charleville Forest, Tullamore, Co. Offaly
Charleville Forest, Tullamore, Co. Offaly
Charleville Forest, Tullamore, Co. Offaly
Charleville Forest, Tullamore, Co. Offaly
Charleville Forest, Tullamore, Co. Offaly
Charleville Forest, Tullamore, Co. Offaly
Charleville Forest, Tullamore, Co. Offaly
Charleville Forest, Tullamore, Co. Offaly
Colebrooke, Brookeborough, Co. Fermanagh
Coolaghmore House, Coolagh, Windgap, Co. Kilkenny
Coolaghmore House, Coolagh, Windgap, Co. Kilkenny
Crannrua, Kennell Road, Mallow, Co. Cork
Crockaneran, Starinagh, Collon, Co. Meath
Crom Castle, Newtownbutler, Co. Fermanagh
Crom Castle, Newtownbutler, Co. Fermanagh
Crom Castle, Newtownbutler, Co. Fermanagh
Crossneen, Graigecullen, Co. Laois
Crowhill, 15 Ardress Road, Portadown, Co. Armagh
Culleen farm, Mullingar, Co. Westmeath
Dairy Hill, Callan, Co. Kilkenny
Dartry, Rockcorry, Co. Monaghan
Dartry, Rockcorry, Co. Monaghan
Donard House, Donard, Co. Wicklow
Doneraille Park, Doneraille, Cork, Co. Cork
Donore, Corbally, Co. Antrim
Drumdeel/Springmount, Fethard, Co. Tipperary
Drumhalry, Killegar, Leitrim, Co. Leitrim
Drumin, Cookstown, Co. Tyrone
Eglinton, Co. Londonderry
Emo Court, Emo, Co. Laois
Enagh House, Derry, Co. Londonderry
Eve Estuary, Lissenhall, Swords, Co. Dublin
Farnham Estate, Cavan, Co. Cavan
Foxhall, Legan, Co. Longford
Harley Park, Ballingarry, Co. Tipperary
Harley Park, Ballingarry, Co. Tipperary
Harley Park, Ballingarry, Co. Tipperary
Kildavin, Co. Carlow
Kinahown, Portarlington, Co. Laois
Knockreer Demesne, Killarney National Park, Killarney, Co. Kerry
Lackan, Bonnetstown, Kilkenny, Co. Kilkenny
Lakefield House, Ballygambon, Fethard, Co. Tipperary
Landscape House, Kilsheelan, Co. Waterford
Lisvarrinane, Glen of Aherlow, Co. Tipperary
Lough Gur, Holy cross, Bruff, Co. Limerick
Macroom Golf Club, Macroom, Co. Cork
Meenascarthy, Castlegregory, Co. Kerry
Mote Demesne, Roscommon, Co. Roscommon
Mote Demesne, Roscommon, Co. Roscommon
Mote Demesne, Roscommon, Co. Roscommon
Mote Park, Roscommon, Co. Roscommon
Mote Park, Roscommon, Co. Roscommon
Mote Park, Roscommon, Co. Roscommon
Mount Juliet, Thomastown, Co. Kilkenny
Moyne House, Durrow, Co. Laois
Muckross House, Killarney National Park, Co. Kerry
Narrow Water Castle, Warrenpoint, Co. Down
Oak House, Mountshannon, Co. Clare
Old Rectory, Emo, Co. Laois
Raheen Woods, Tuamgraney, Co. Clare
Rathcormac Road, Ballyhooly Bridge, Ballyhooly, Co. Cork
Ryecourt, Farnanes, Cork, Co. Cork
Shane Castle, Antrim, Co. Antrim
Shane Castle, Antrim, Co. Antrim
St. Berrihart's Kyle, Killberriherd, Bansha, Co. Tipperary
St. Senan's GFC, Ballymacool, Letterkenny, Co. Donegal
Stoneen, Kilfane, Thomastown, Co. Kilkenny
Strokestown Park, Strokestown, Co. Roscommon
Strokestown Park, Strokestown, Co. Roscommon
Summer Island, Loughgaul, Co. Armagh
Summerhill, Mallow, Co. Cork
Tarbert House, Tarbert, Co. Kerry
Tollymore Forest Park, Newcastle, Co. Down
Tullynally Castle, Castlepollard, Co. Westmeath
Tynan Abbey, Tynan, Co. Armagh
University of Ulster, Derry, Co. Londonderry
Walls Forge, Chaplestown, Carlow, Co. Carlow
Willford House, Ballingarry, Co. Tipperary
Woodpark Golf Club, Mountshannon, Co. Clare

Quercus robur 'Atropurpurea'

Woodbrook Demesne, Kiltealy, Co. Wexford

Quercus robur 'Concordia'

Prospect Cemetery, Glasnevin, Co. Dublin

Quercus robur 'Fennessii'

Peoples Park, Dunmore Road, Waterford, Co. Waterford

Quercus rubra

12 Millbank Road, Bessbrooke, Co. Armagh
Altamont Gardens, Ballon, Co. Carlow
Baronscourt Estate, Baronscourt, Co. Tyrone
Shane Castle, Antrim, Co. Antrim

Quercus rubra 'Aurea'

The Monastery, Lehinch, Clara, Co. Offaly

Quercus suber

Courtmacsherry Hotel, Courkmacsherry, Co. Cork
Glenam House, Clonmel, Co. Tipperary
Russellstown Park, Palatine, Co. Carlow
Salterbridge House, Cappaquin, Waterford, Co. Waterford
Shillelagh, Co. Wicklow
Tollymore Forest Park, Newcastle, Co. Down

Quercus x hispanica 'Diversifolia'

old Conna Hill Golf Club, Shankill, Co. Dublin

Quercus x hispanica 'Lucombeana'

Drumcaine House, Stewartstown, Co. Tyrone
Pollerton, Carlow, Co. Carlow

Rhododendron arboreum

Kilmacurragh, Kilbride, Co. Wicklow

Robinia pseudoacacia

812 Glenshane Road, Owenbeg, Dungiven, Co. Londonderry
Birr Castle, Birr, Co. Offaly
Cypress Grove, Templeogue, Dublin 6, Co. Dublin
Gurteen le Poer, Kilsheelan, Co. Waterford
Harley Park, Ballingarry, Co. Tipperary

Salix alba

Deerpark, Dublin Road, Co. Carlow

Salix alba 'Britzensis'

Rathvinden Lock, Leighlinbridge, Co. Carlow

Salix caprea

Old SchoolHouse, Colebrooke, Brookeborough, Co. Fermanagh

Salix cinerea

St. Colman Mac Duach's Hermitage, Slievecarran, Co. Clare

Salix x sepulcralis 'Chrysocoma'

St Stephens Green, Dublin City, Co. Dublin

Sambucus nigra

Castleward, Strangford, Co. Down
Greenside, Ballysax, Curragh, Co. Kildare
Temple House, Ballymote, Co. Sligo

Sciadopitys verticillata

Castlewellan Forest Park, Castlewellan, Co. Down

Sequoia sempervirens

Caledon Estate, Caledon, Co. Tyrone
Fota Arboretum, Fota, Co. Cork
Gurteen le Poer, Kilsheelan, Co. Waterford
Hilton Park, Scotstown, Co. Monaghan
Mullaghmore House, Tydaunet, Co. Monaghan
Shillelagh, Co. Wicklow
Woodstock, Inistioge, Co. Kilkenny
Woodstock, Inistioge, Co. Kilkenny

Sequoiadendron giganteum

Aras an Uachtarain, Phoenix Park, Co. Dublin
Aras an Uachtarain, Phoenix Park, Co. Dublin
Caledon Estate, Caledon, Co. Tyrone
Castlewellan Forest Park, Castlewellan, Co. Down
Curraghmore, Portlaw, Co. Waterford
Emo Court, Emo, Co. Laois
Fasseroe, Bray, Co. Wicklow
Glengarra Woods, Cahir, Co. Tipperary
Gosford Forest Park, Markethill, Co. Armagh
Gurteen le Poer, Kilsheelan, Co. Waterford
Luttrelstown Castle, Castleknock, Dublin, Co. Dublin
Montalto House, Ballynahinch, Co. Down
Powerscourt Waterfall, Enniskerry, Co. Wicklow
Powerscourt Waterfall, Enniskerry, Co. Wicklow
Powerscourt, Enniskerry, Co. Wicklow
Powerscourt, Enniskerry, Co. Wicklow
Prospect Cemetery, Glasnevin, Co. Dublin
Rash house, Omagh, Co. Tyrone
Rossmore Forest Park, Monaghan, Co. Monaghan
St. Mary's cathedral, Killarney, Co. Kerry
Tempo Manor, Tempo, Co. Fermanagh
Tollymore Forest Park, Newcastle, Co. Down
Woodstock, Inistioge, Co. Kilkenny

Sophora japonica

Coolatore, Knockasta, Horseleap, Co. Westmeath
Dunloe Castle Hotel, Beaufort, Killarney, Co. Kerry

Sorbus aria

Crumlin Park House, Ardnasodan, Co. Galway
Glenhall, Goirtin, Co. Tyrone
Riverview, Arthurstown, Co. Wexford

Sorbus aucuparia

Ballylug, Vale of Clara, Laragh, Co. Wicklow
Castlegrove House Hotel, Letterkenny, Co. Donegal
Drumersee, Swanlinbar, Co. Cavan
Glendun, Cushendun, Co. Antrim
Mount Leader, Mill Street, Co. Cork

Sorbus devoniensis

Ballykelly, New Ross, Co. Wexford

Sorbus intermedia

Castle upton, Templepatrick, Co. Antrim
Main Street, Ballon, Co. Carlow
Sligo Cemetery, Dublin Road, Sligo, Co. Sligo

Sorbus x latifolia

Wells House, Killnamanagh, Wexford, Co. Wexford
Wells House, Killnamanagh, Wexford, Co. Wexford

Sorbus x thuringiaca

Glengarra Woods, Cahir, Co. Tipperary

Taiwania cryptomerioides

Illnacullin, Glengarriff, Co. Cork

Taxodium distichum

Fota Wildlife Park, Fota Island, Cork, Co. Cork
Fota Wildlife Park, Fota Island, Cork, Co. Cork
National Botanic Gardens, Glasnevin, Dublin 9, Co. Dublin
Newtownanner House, Clonmel, Co. Tipperary
Westport House, Westport, Co. Mayo

Taxus baccata

Adare Castle, Adare, Co. Limerick
Adare Manor Hotel and Golf Club, Adare, Co. Limerick
Antrim Castle, Antrim, Co. Antrim
Ardsallagh House, Navan, Co. Meath
Ardtully Castle, Kilgarvan, Kerry, Co. Kerry
Assolas House, Kanturk, Co. Cork
Assolas House, Kanturk, Co. Cork
Avondale, Rathdrum, Co. Wicklow
Ballinlough Castle, Clonmellon, Co. Westmeath
Ballydarton House, Fenagh, Co. Carlow
Ballynakilly Wood, Burton Hall, Palatine, Co. Carlow
Ballyseedy Wood, Tralee, Co. Kerry
Blarney Estate, Blarney, Cork, Co. Cork
Brooke hall, Derry, Co. Londonderry
Bunclody, Co. Wexford
Burren National Park, Corrofin, Co. Clare
Carton Estate, Maynooth, Co. Kildare
Castle Mary, Cloyne, Cork, Co. Cork
Castle upton, Templepatrick, Co. Antrim
Castlecomer Golf Club, Castlecomer, Co. Kilkenny
Castlecomer House, Castlcomer, Co. Kilkenny
Castlecoote, Fuerty, Roscommon, Co. Roscommon
Castlecoote, Fuerty, Roscommon, Co. Roscommon
Castlecoote, Fuerty, Roscommon, Co. Roscommon
Castlegrove House Hotel, Letterkenny, Co. Donegal
Castlehyde, Fermoy, Co. Cork
Castleward, Strangford, Co. Down
Catholic Church, Owning, Co. Kilkenny
Charleville Forest, Tullamore, Co. Offaly
Clonfert Cathedral, Clonfert, Co. Galway
Clonfert Cathedral, Clonfert, Co. Galway
Clonmannon, Ashford, Co. Waterford
Clonogan, Clonegal, Co. Carlow
Cong Abbey, Cong, Mayo, Co. Mayo
Crom Castle, Newtownbutler, Co. Fermanagh
Crom Castle, Newtownbutler, Co. Fermanagh
Curraghchase, Kilcornan, Co. Limerick
Derriaghy, Co. Antrim
Donaskeigh, Co. Tipperary
Doneraille Park, Doneraille, Cork, Co. Cork
Doneraille Park, Doneraille, Cork, Co. Cork
Drumgold House, Dungannon, Co. Tyrone
Dunganstown Castle, Kilbride, Co. Wicklow
Dunganstown Castle, Kilbride, Co. Wicklow
Dunloe Castle Hotel, Beaufort, Killarney, Co. Kerry
Dunloe Castle Hotel, Beaufort, Killarney, Co. Kerry
Durrow Abbey, Tullamore, Co. Offaly
Durrow Abbey, Tullamore, Co. Offaly
Emo Court, Emo, Co. Laois
Furness House, Naas, Co. Kildare
Garvagh High School, Garvagh, Co. Londonderry
Glen of Clab, Carran, Co. Clare
Glencormac, Kilmacanoge, Co. Wicklow
Glenstal Abbey, Murroe, Co. Limerick
Gormanstown College, Gormanstown, Co. Meath
Gormanstown College, Gormanstown, Co. Meath
Gort na mona, Ballinasloe, Co. Galway
Gortatole, Belcoo, Co. Fermanagh
Grillagh Bridge, Maghera, Co. Londonderry
Headford House, Kells, Co. Meath
Hillsborough Fort, Hillsborough, Co. Down
Hilton Park, Scotstown, Co. Monaghan
Holy Trinity Church, Fethard, Co. Tipperary
Huntington Castle, Clonegal, Co. Carlow
Inchigeelagh Cemetery, Inchigeelagh, Co. Cork
Innisfallen Island, Killarney National Park, Co. Kerry
Kilmacurragh, Kilbride, Co. Wicklow
Kilruddery House, Bray, Co. Wicklow
Kilskeer, Kells, Co. Meath
Knockabbey Gardens, Tallanstown, Louth, Co. Louth
Ladychapel, Rathcoffey, Co. Kildare
Larchfield House, Lisburn, Co. Down
Leslie Hill, Ballymoney, Co. Antrim
Lisabuck, Clones, Co. Monaghan
Lismore castle, Lismore, Co. Waterford
Lissan House, Cookstown, Co. Tyrone
Long Graigue, Foulkesmill, Co. Wexford
Lough Crew Garden, Oldcastle, Co. Meath
Loughgaul Agricultural Institute, Loughgaul, Co. Armagh
Loughgaul Agricultural Institute, Loughgaul, Co. Armagh
Main Street, Monasterevin, Co. Kildare
Marley Park, Rathfarnham, Co. Dublin
Millford House, Cloghans Hill, Mayo, Co. Mayo
Millvale, Milltown, Ashford, Co. Wicklow
Monaincha House, Roscrea, Co. Tipperary
Moore Abbey, Monasterevin, Co. Kildare
Moore Abbey, Monasterevin, Co. Kildare
Mount Stewart, Ards, Co. Down
Mount Stewart, Ards, Co. Down
Moynolty, Co. Meath
Muckross Abbey, Killarney National Park, Co. Kerry
Myrtle Grove, Youghal, Cork, Co. Cork
Myrtle Grove, Youghal, Cork, Co. Cork
Myrtle Grove, Youghal, Cork, Co. Cork
Myrtle Grove, Youghal, Cork, Co. Cork
Myrtle Grove, Youghal, Cork, Co. Cork
National Botanic Gardens, Glasnevin, Dublin 9, Co. Dublin
Newtown, Nenagh, Co. Tipperary
Old Glebe, Newcastle, Co. Dublin
Oldbridge House, Slane, Co. Meath
Oldbridge House, Slane, Co. Meath
Oldbridge House, Slane, Co. Meath
Oldbridge House, Slane, Co. Meath
Oldbridge House, Slane, Co. Meath
Oldbridge House, Slane, Co. Meath
Portumna Castle, Portumna, Co. Galway
Rathkenny House, Rathkenny, Co. Meath
Rathkenny House, Rathkenny, Co. Meath
Rathkenny House, Rathkenny, Co. Meath
Rathkenny House, Rathkenny, Co. Meath
Rathkenny House, Rathkenny, Co. Meath
Reenadinna Wood, Muckross, Killarney National Park, Co. Kerry
Roachestown House, Rathkenny, Co. Meath
Rosemount House, Mountelliott, Newross, Co. Wexford
Rossanna, Ashford, Co. Wicklow
Shelton Abbey, Arklow, Co. Wicklow
Silver Springs, Cork City, Co. Cork
Simmonscourt Castle, Ballsbridge, Dublin 4, Co. Dublin
Springhill House, Moneymore, Co. Londonderry
St Marys Church, Carrigallen, Co. Leitrim
St Nicholas Church, Adare, Co. Limerick
St Patrick's College, Maynooth, Co. Kildare
St Pauls Church, Bray, Co. Wicklow
St. Columba's Church, Drumoghill, Letterkenny, Co. Donegal
St. Columba's Church, Swords, Co. Dublin
St. Kevin's, Hollywood, Co. Wicklow
St.Carthach Church, Rahan, Tullamore, Co. Offaly
St.Patrick's College, Maynooth, Co. Kildare
St.Patrick's College, Maynooth, Co. Kildare
Swiss Cottage, Cahir, Co. Tipperary
The abbey, Clane, Co. Kildare
Tobernalt, Carraroe, Sligo, Co. Sligo
Tollymore Forest Park, Newcastle, Co. Down
Turloughmore Mountain, Glencolumbkille South, Co. Clare
Turloughmore Mountain, Glencolumbkille South, Co. Clare
Tynan, Co. Armagh
Virginia, Co. Cavan
Whitehead, Co. Antrim
Woodbrook Demesne, Kiltealy, Co. Wexford

Taxus baccata 'Fastigiata'

Barmeath Castle, Dunleer, Co. Louth
Brittas Estate, Nobber, Co. Meath
Florencecourt, Enniskillen, Co. Fermanagh
Hillsborough Castle, Hillsborough, Co. Down
Rathurles Church, Rathurles House, Nenagh, Co. Tipperary
Salterbridge House, Cappaquin, Waterford, Co. Waterford

Tetracentron sinense

Headford House, Kells, Co. Meath

Tetradium daniellii

Tully, Kildare, Co. Kildare

Thuja plicata

Blarney Estate, Blarney, Cork, Co. Cork
Castle Bernard, Bandon, Co. Cork
Dromoland Castle, Newmarket-on-Fergus, Co. Clare
Fortgranite, Kiltegan, Co. Wicklow
Lough Key Forest Park, Boyle, Co. Roscommon
Mullaghmore House, Tydaunet, Co. Monaghan
Woodlawn House, Woodlawn, Kilconnell, Co. Galway

Tilia cordata

Ballaghaderneen, Co. Carlow
Green Lodge, Coachford, Co. Cork

Tilia 'Petiolaris'

Curraghchase Forest Park, Kilcornan, Co. Limerick
Necarne Castle Estate, Irvinestown, Co. Fermanagh

Tilia platyphyllos

Gurteen le Poer, Kilsheelan, Co. Waterford
Woodlawn House, Woodlawn, Kilconnell, Co. Galway

Tilia platyphyllos 'Laciniata Variegata'

Castlebellington, Co. Louth

Tilia tomentosa

People's Park, Phoenix Park, Dublin, Co. Dublin

Tilia x europaea

Abbeyshrule, County Longford, Co. Longford
Analore, Clones, Co. Monaghan
Ardglassan, Crossakeel, Kells, Co. Meath
Ballinakill, Co. Laois
Ballybur Cross Roads, Cuffesgrange, Co. Kilkenny
Brittas Estate, Nobber, Co. Meath
Brittas Estate, Nobber, Co. Meath
Carton Estate, Maynooth, Co. Kildare
Castle Forbes, Newtownforbes, Co. Longford
Castletown House, Celbridge, Co. Kildare
Clongowes Wood College, Clane, Co. Kildare
Coole Park, Gort, Co. Galway
Cork Road, Rathcormac, Co. Cork
Croan Cottages, Killnamaggin, Co. Kilkenny
Firmount, Edgeworthstown, Co. Longford
Florencecourt, Enniskillen, Co. Fermanagh
Florencecourt, Enniskillen, Co. Fermanagh
Glenbrien, Enniscorthy, Co. Wexford
Huntington Castle, Clonegal, Co. Carlow
Kilbraghan Cross Roads, Kilmanagh, Co. Kilkenny
Killegar, Carrigallen, Leitrim, Co. Leitrim
Killyleagh Castle, Killyleagh, Co. Down
Lions Den House, Longwood, Co. Meath
Lough Crew Garden, Oldcastle, Co. Meath
Main Street, Blessington, Co. Wicklow
Main Street, Bunclody, Co. Wexford
Marlfield House, Clonmel, Co. Tipperary
Newtownanner House, Clonmel, Co. Tipperary
Owning, Co. Kilkenny
Parkfield, Crumlin, Co. Antrim
Rathwade, Bagenalstown, Co. Carlow
St. Gobnait's Well, Ballyvourney, Co. Cork
Strokestown Park, Strokestown, Co. Roscommon
Templeport, Corboy, Bawnboy, Co. Cavan
The College, Mitchelstown, Co. Cork
The Green, Main Street, Duleek, Co. Meath
Tuamgraney, Co. Clare

Toona sinensis

The Presbytry, Berkeley Road, Dublin 7, Co. Dublin

Trachycarpus takil

Bamboo Park, Glengarriff, Co. Cork

Trochodendron aralioides

Glenveagh Castle, Churchill, Co. Donegal

Tsuga heterophylla

Drum Manor, Cookstown, Co. Tyrone
Fernhill Gardens, Stepaside, Co. Dublin
Kilronan Castle, Ballyfarnon, Co. Roscommon
Kilronan Castle, Ballyfarnon, Co. Roscommon
Lough Rinn Hotel, Mohill, Leitrim, Co. Leitrim
Lough Rinn Hotel, Mohill, Leitrim, Co. Leitrim

Ulmus carpinifolia

Derrycloney, Mountmellick, Co. Laois

Ulmus glabra

Ballyconnell House, Falcarragh, Co. Donegal
Ballyvacum House, Ballybrittas, Co. Laois
Bridge Cottage, Mulnamina Beg, Glenties, Co. Donegal
Bruckles House, Bruckles, Co. Donegal
Bruckles House, Bruckles, Co. Donegal
Carrablagh, Portsalon, Co. Donegal
Clonmullan House, Clonmullan, Co. Donegal
Clonmullan House, Clonmullan, Co. Donegal
Clontarf Road, Dollymount, Co. Dublin
Davistown House, Kilcormac, Co. Offaly
Drommeenagh Road, Castlebellingham, Co. Louth
Formal, Rathmoylan, Co. Meath
Greene Park, Dundrum, Co. Tipperary
Kilcarrig Lodge, Bagenalstown, Co. Carlow
Killeanleagh, Kanturk, Co. Cork
Lifford Road, Donegal Town, Co. Donegal
Lifford Road, Donegal Town, Co. Donegal
Ludden, Ballyneety, Limerick, Co. Limerick
Magherameenagh Castle, Belleek, Co. Fermanagh
Newbridge Road, Mountbellew, Co. Galway
Pink House, Rathmullan, Co. Donegal
Robinstown, Co. Meath
Rosario, Cappog, Ballinode, Co. Monaghan
Rossylongon, Donegal, Co. Donegal
Vandeleur Wall Garden, Kilrush, Co. Clare

Ulmus glabra 'Pendula'

Clonmullan House, Clonmullan, Co. Donegal
Clonmullan House, Clonmullan, Co. Donegal
Hollymount, Rathmullan, Co. Donegal
Hollymount, Rathmullan, Co. Donegal

Ulmus laevis

The Old Rectory, Kells road, Ardee, Co. Louth
The Old Rectory, Kells road, Ardee, Co. Louth

Ulmus minor

Balrigh House, Robinstown, Co. Meath

Ulmus procera

Cape Clear Island, Co. Cork
Mallow Buisness Park, Mallow, Co. Cork

Wollemia nobilis

Hillsborough Castle, Hillsborough, Co. Down
Mount Usher Gardens, Ashford, Co. Wicklow

X Cupressocyparis leylandii

Mount Stewart, Ards, Co. Down
Moynolty, Co. Meath

X Cupressocyparis leylandii 'Robinson's Gold'

Belvoir Forest Park, Belfast, Co. Antrim

Zelkova carpinifolia

National Botanic Gardens, Glasnevin, Dublin 9, Co. Dublin
Rostrevor House, Rostrevor, Co. Down
Toureen, Cahir, Co. Tipperary