Two brown-spored species of the Lichen Genus Polyblastiopsis.
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Two taxa of pyrenocarpous lichens with brown, muriform spores, previously included in the genus Anthracothecium, are trans- ferred to the genus Polyblastiopsis. An emended description of Polyblastiopsis is given. A new species, Polyblastiopsis muelleri, is described and a new combination, Polyblastiopsis monosporum, is made.
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