Porella Explained

Porella is a large, common, and widespread genus of liverworts in order Porellales. It is a member of the family Porellaceae within that order.

There were 84 species recognized in 2016, most of them from East Asia.[1] World Flora Online accepts 125 species,[2] and GBIF accepts 150 species (as of 4 July 2023).

The genus has a wide cosmopolitan distribution in temperate areas, where it is commonly found growing attached to the bark of trees. Members of the genus have lobed leaves with a large upper lobe and small lower lobe.[3]

Species Porella arboris-vitae, Porella bolanderi, Porella cordeana, Porella navicularis, Porella pinnata, Porella platyphylla and Porella roellii, were all found in Montana, USA.[4]

Species

The following species are recognised in the genus Porella by GBIF;[5]

Notes and References

  1. Söderström . 2016 . World checklist of hornworts and liverworts . PhytoKeys . 59 . 1–826. 10.3897/phytokeys.59.6261. etal . 26929706 . 4758082 . free .
  2. Web site: Porella L. . www.worldfloraonline.org . 3 July 2023.
  3. Barbour . Wm. C. . 1902 . Porella . The Bryologist . 5 . 2 . 32–36 . 10.2307/3237914 . 3237914 . 0007-2745.
  4. Web site: Ratz . David . A Liverwort – Montana Field Guide . 15 April 2022 . fieldguide.mt.gov . en.
  5. Web site: Porella L. . www.gbif.org . 3 July 2023 . en.

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