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Vermilacinia acicularis : ウィキペディア英語版 | Vermilacinia acicularis
''Vermilacinia acicularis'' is a fruticose lichen that occurs in the Channel Islands of California.〔Spjut, R. W. ''Niebla'' and ''Vermilacinia'' (Ramalinaceae) from California and Baja California. Sida Miscellany 14〕 The type specimen was collected from San Clemente Island. Other specimens have been collected from Santa Barbara Island and Anacapa Island.〔 ==Distinguishing features==
''Vermilacinia acicularis'' is classified in the subgenus ''Vermilacinia'' in which it is distinguished by the rounded outline of the thallus with clumps of basal lobes (or branches). The thallus size varies from 5–10 mm in diameter.〔 Basal branches are loosely united and frequently divided dichotomously into similar branches, the ultimate branchlets have tiny isidia-like branchlets, or true isidia, that distinguishes the species from others in the subgenus. The thallus of ''Vermilacinia acicularis'' has a cortex up to 100 microns thick. Lichen substances are primarily of the following three terpenes that are characteristic of the subgenus ''Vermilacinia'': an unknown referred to as “T3”, (-)-16 α-hydroxykaurane, and zeorin. No accessory substances reported. Reproductive features include pynidia (conidium); apothecia unknown.〔
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