Thomas Alan Stephenson

British zoologist (1898-1961).

Thomas Alan Stephenson FRS (19 January 1898 – 3 April 1961) was a British naturalist and marine biologist who specialised in sea anemones.

Abbreviations: T.A.Stephenson
Occupations: zoologist, painter, botanist, biologist
Citizenships: United Kingdom
Languages: English
Dates: 1898-01-19T00:00:00Z – 1961-04-03T00:00:00Z
Birth place: Burnham-on-Sea
Authorship mentions: 5 plants, 0 fungi

5 plants contributed to5 plants:

Dactylorhiza purpurella (Northern Marsh-orchid) (T.Stephenson & T.A.Stephenson) Soó 1962
plant species in the orchidaceae family
Dactylorhiza purpurella, the northern marsh orchid, is an orchid native to Great Britain, Ireland, the Netherlands, Denmark and Norway. Two varieties are recognised: Dactylorhiza purpurella var. cambrensis (R.H.Roberts) R.M.Bateman & Denholm - coastal Great Britain and Denmark Dactylorhiza purpurella subsp. purpurella - Ireland and northern Great Britain. Recorded from Co. Donegal in Ireland.
Epipactis dunensis (Dune Helleborine) (T.Stephenson & T.A.Stephenson) Godfery 1926
plant species in the orchidaceae family
Epipactis dunensis, commonly known as dune helleborine, is a species of plant in the orchid family Orchidaceae and is endemic to Great Britain and Ireland. It typically grows to a height of 20–50 cm (7.9–19.7 in) and the upper half of the flowering stalk is hairy. The plant has a long, fleshy rootstock and three to ten yellowish green, oval to lance-shaped leaves arranged in opposite rows along the flowering stem with up to 35 flowers. The three sepals are greenish, the two petals paler, the lower part of the labellum (the hypochile) is boat-shaped and dark, chocolate brown with a
Dactylorhiza × venusta (T.Stephenson & T.A.Stephenson) Soó 1962
plant hybrid species in the orchidaceae family
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× Dactylodenia varia (T.Stephenson & T.A.Stephenson) Aver. 1986
plant hybrid species in the orchidaceae family
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Dactylorhiza majalis ssp. purpurella (T.Stephenson & T.A.Stephenson) D.M.Moore & Soó 1978
plant subspecies in the orchidaceae family
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