Consortium of
North American Lichen Herbaria
- building a Global Consortium of Bryophytes and Lichens as keystones of cryptobiotic communities -
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Placopsis gelida (L.) Lindsay
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Family: Trapeliaceae
[Lecanora gelida (L.) Ach., moreLecanora gelida f. gelida (L.) Ach., Lecanora gelida f. leprosula Zahlbr., Lecanora gelida f. neglecta Degel., Lecanora gelida f. terricola Cromb., Lecanora gelida var. carnea (Räsänen) Zahlbr., Lecanora gelida var. gelida (L.) Ach., Lecanora gelida var. vitellina Hook. f. & Taylor, Lichen gelidus L., Parmelia gelida (L.) Ach., Patellaria gelida (L.) Trevis., Placodium gelidum (L.) Gray, Psoroma gelidum (L.) Rabenh., Squamaria gelida (L.) Hook., Squamaria gelida f. gelida (L.) Hook.]  Stephen Sharnoff |
Life habit: lichenized (mutualistic with algal photobionts) thallus: crustose (crustaceous) episubstratal unspecified | placodioid-crustose, placodioid-foliose thallus: cracked, fissured, fractured, rimose | compartimentized areolate, squamulate [th] upper surface: white(ish) | white(ish) brown (beige) [th marginal and upper surface] specific structures: absent | present [th margin] cilia, cilioid structures: absent [th upper surface] isidia, isidioid structures: absent [th upper surface] soredia, soralia, soralioid structures: present ascomata: absent secondary metabolites: present secondary metabolites: gyrophoric acid | lecanoric acid primary photobiont: present secondary photobionts (eg in cephalodia): present primary photobiont: chlorophytaceous trebouxiaceous, chlorococcoid.substrate: rock siliceous, siliciferous, acidic | rock, stones, pebbles unspecified. |
