EXTINCT SPECIES
 
Paul Green

The native species, subspecies and varieties listed below were not recorded during the current survey of the county. Names in bold are those that are likely to be truly extinct in Co. Waterford. The others are just likely to be over-looked as they are not easy to name. The date given is the last year that the species was known to have been seen in the county.

 
Achillea ptarmicaSneezewort – before 1934
Antennaria dioica– Mountain Everlasting – before 1866 
Anthriscus caucalis– Bur Chervil – 1971
Asplenium viride– Green Spleenwort – 1894
Bromus commutatus– Meadow Brome – 1900
Carex acutaSlender Tufted-sedge – 1882
Carex elata– Tufted-sedge – 1882
Cephalanthera longifolia – Narrow-leaved Helleborine – 1894
Ceratophyllum demersum– Rigid Hornwort – before 1866
Chamaemelum nobile– Chamomile – 1746
Cladium mariscus– Great Fen-sedge – 1954
Cochlearia officinalis x C. danica – 1961
Cuscuta epithymumDodder – 1967
Cynoglossum officinaleHound’s-tongue – 1899
Dactylorhiza purpurella– Northern Marsh-orchid – 1973
Dactylorhiza x venusta – 1973
Epipactis palustrisMarsh Helleborine – 1977
Erophila glabrescens – Glabrous Whitlowgrass – 1964
Erodium maritimum – Sea Stork’s-bill – before 1866
Euphorbia peplis– Purple Spurge – 1839
Euphrasia anglica – Glandular Eyebright– 1952
E. nemorosa – Common Eyebright– 1966
E. rostkoviana subspecies rostkoviana – 1988
Filago vulgaris– Common Cudweed – 1882
Galium boreale– Northern Bedstraw – 1859
Gentianella campestris – Field Gentian – 1882
Gnaphalium sylvaticum – Heath Cudweed – 1900
Gymnadenia conopsea – Fragrant Orchid – 1900
Hieracium argenteum – Killarney Hawkweed – 1882
H. cerinthiforme – Clasping-leaved Hawkweed – 1975
Juncus subnodulosusBlunt-flowered Rush – 1950s
Lobelia dortmanna– Water Lobelia – 1973    
Lycopodium clavatum– Stag’s-horn Clubmoss – 1900       
Ononis repens var. horrida – 1882
Ophrys apiferavar. chlorantha– 1978
Orchis morio Green-winged Orchid – 1901
Otanthus maritimusCottonweed – 1883                   
Parentucellia viscosaYellow Bartsia – 1880
Parnassia palustrisGrass-of-Parnassus – 1897
Pilosella officinarum subsp. micradenium – 1975
Platanthera bifoliaLesser Butterfly-orchid – 1973
Platanthera chlorantha Greater Butterfly-orchid – 1900
Polygonum maritimum– Sea Knotgrass – 1974
Potamogeton x nitens Bright-leaved Pondweed – 1899
Pseudorchis albidaSmall-white Orchid – 1891
Puccinellia fasciculata Borrer’s Saltmarsh-grass – 1925
Radiola linoides– Allseed – before 1866
Ranunculus lingua– Greater Spearwort – 1977
Rhinanthus minor subsp. minor – 1950s
Rubus adenanthoides – 1975
R. aequalidens – 1992
R. asperidens – 1992
R. cinerosiformis – 1992
R. hastiformis – 1992
R. lindleianus – 1984
R. micans – 1984
R. moylei – 1992
R. riddelsdellii – 1965
R. winteri – 1992                                                        
Schoenus nigricans– Black Bog-rush – before 1934
Scirpus sylvaticus– Wood Club-rush – 1884
Scutellaria x hybrida– 1871
Stachys officinalis Betony – 1886
Taraxacum drucei – Druce’s Dandelion – 1985
T. landmarkii – Landmark Dandelion – 1977
T. naevosiforme – Wetland Dandelion – 1985
T. palustre – Fen Dandelion – 1962
Utricularia minorLesser Bladderwort – 1962
Utricularia vulgaris – Greater Bladderwort – 1967
 
Listed below are species that have appeared in print but are errors or likely errors. See species accounts for full information.
 
Alcea rosea – Hollyhock
Arctium minus subsp. minus – Lesser Burdock
Asperula cynanchica – Squinancywort         
Bromus secalinus – Rye Brome
Callitriche hermaphroditica – Autumnal Water-starwort
Carex viridula subsp. viridula – Small-fruited Yellow-sedge
Convallaria majalis – Lily-of-the-valley
Cotoneaster hjelmqvistii – Hjelmqvist’s Cotoneaster
Eleocharis quinqueflora – Few-flowered Spike-rush
Hieracium umbellatum subsp. umbellatum – Umbellate Hawkweed                       
Isoetes echinospora – Spring Quillwort
Melittis melissophyllum – Bastard Balm
Minuartia verna – Spring Sandwort
Plantago media – Hoary Plantain
Rubus wirralensis
Sisymbrium altissimum – Tall Rocket
Thymus pulegioides – Large Thyme
Tilia cordata – Small-leaved Lime