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Collema nigrescens : ウィキペディア英語版 | Collema nigrescens
''Collema nigrescens'' is a leafy (foliose) jelly lichen (Collema genus) found growing on the bark of trees such as bigleag maples, in wetter coastal parts of California.〔Field Guide to California Lichens, Stephen Sharnoff, Yale University Press, 2014, ISBN 978-0-300-19500-2〕 It is commonly called button jelly lichen or bat's wing lichen.〔 It is blackish-green when wet, and dark brownish-green to dark olive when dry.〔 The photosyntheic partner is the ''Nostoc'' cayanobacterium that is spread throughout the thallus (main body part).〔 Although foliose in form, like all jelly lichens, the thallus is not differentiated, lacking layers or an upper or lower cortex (lichen) and the cayanobacteria is spread through out the thallus.〔 It has dark purple-brown apothecia all over.〔 It produces no reaction to lichen spot tests.〔 ==References==
抄文引用元・出典: フリー百科事典『 ウィキペディア(Wikipedia)』 ■ウィキペディアで「Collema nigrescens」の詳細全文を読む
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