4.2 Article

Phaeorrhiza (Physciaceae), a new lichen genus record to China

Journal

PHYTOTAXA
Volume 510, Issue 3, Pages 228-238

Publisher

MAGNOLIA PRESS
DOI: 10.11646/phytotaxa.510.3.3

Keywords

lichenized fungi; Tibetan Plateau; taxonomy; phylogeny; alpine biota

Categories

Funding

  1. Flora Lichenum Sinicorum [31750001]
  2. Second Tibetan Plateau Scientific Expedition and Research Program (STEP) [2019QZKK0503]
  3. Youth Innovation Promotion Association CAS [2020388]
  4. Biological Resources Programme, Chinese Academy of Sciences [KFJBRP01723]
  5. National Natural Science Foundation of China [31970022, 31670028]

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The genus Phaeorrhiza is reported as new for the Chinese lichen biota, with two species characterized by squamulose to subfoliose thallus and Beltraminia-type ascospores. P. nimbosa has cryptolecanorine to eulecanorine apothecia, while P. sareptana var. sphaerocarpa has lecideine apothecia.
The genus Phaeorrhiza is reported as new for the Chinese lichen biota, including the two species, Phaeorrhiza nimbosa (Fr.) H. Mayrhofer & Poelt and P. sareptana var. sphaerocarpa. (Tr. Fr.) H. Mayrhofer & Poelt. The genus grows on soil in alpine meadows, morphologically characterized by a squamulose to subfoliose thallus, rhizohyphae, and Beltraminia-type ascospores. P. nimbosa has cryptolecanorine to eulecanorine apothecia, while P. sareptana var. sphaerocarpa has lecideine apothecia. Descriptions, a key and a phylogram of these species are provided.

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