Lichen siliquosus Huds. (1762)
Ramalina siliquosa, also known as sea ivory, is a tufted and branched
lichen which is widely found on siliceous rocks and stone walls on
coastlands round the British Isles, occasionally slightly inland. It
grows well above the high-tide mark but is still very tolerant of salt
spray. The branches are flattened and grey, and bear disc-like
spore-producing bodies. It forms part of the diet of sheep on Shetland
and on the coast of North Wales.
The species was originally described as
Lichen siliquosus by the
botanist William Hudson in 1762. It was transferred to the genus
Annie Lorrain Smith
Annie Lorrain Smith in 1918.
Ramalina siliquosa (Huds.) A.L. Sm. 1918". MycoBank. International
Mycological Association. Retrieved 2011-06-08.
^ "Sea ivory -
Ramalina siliquosa". MarLIN. The Marine Life
Information Network. Retrieved 2013-10-19.
^ Hudson W. (1762). Flora Anglica (in Latin). p. 460.
^ Smith AL. (1918). A Monograph of the British Lichens. 1 (2 ed.).
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