Abstract
Two corticolous species of Ramalina are described as new to science from China. Ramalina ailaoshanensis is described from Mt. Ailaoshan in southwest China. It is characterized by dichotomous narrow branches with sparse raised or tuberculate pseudocyphellae, without warts, absence of chrondroid tissue in the cortex, the tips of branchlets becoming thin, terete and curled backwards, and lacking soredia and isidia. Ramalina qinlingensis is described from Mt. Qinling in northwest China. It is characterized by broad branches with distinct pseudocyphellae, many warts and branchlets, the discontinuous chrondroid tissue in the cortex, and lacking soredia and isidia. Both species were recovered as monophyletic and well-supported in a maximum-likelihood phylogeny inferred from ITS sequence data.
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