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Porella

{{Short description|Genus of liverworts}}

{{Use dmy dates|date=May 2024}}

{{Automatic taxobox

| image = Porella_platyphylla.jpg

| image_caption = Porella platyphylla

| taxon = Porella

| authority = L.Sp. Pl. 2: 1106. 1753.

| subdivision_ranks = Species

| subdivision = See text

| synonyms_ref = {{cn|date=November 2024}}

| synonyms = {{Genus list

|Macvicaria |W.E. Nicholson

|Madotheca |Dum.

|Schulthesia |Raddi }}

}}

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.{{cite journal | author=Söderström | year=2016 | title=World checklist of hornworts and liverworts | journal=PhytoKeys | issue=59 | pages=1–826| doi=10.3897/phytokeys.59.6261|display-authors=etal | pmid=26929706 | pmc=4758082 | doi-access=free }} World Flora Online accepts 125 species,{{cite web |title=Porella L. |url=http://www.worldfloraonline.org/taxon/wfo-4000030935 |website=www.worldfloraonline.org |access-date=3 July 2023}} 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.{{Cite journal |last=Barbour |first=Wm. C. |date=1902 |title=Porella |url=https://www.jstor.org/stable/3237914 |journal=The Bryologist |volume=5 |issue=2 |pages=32–36 |doi=10.2307/3237914 |jstor=3237914 |issn=0007-2745|url-access=subscription }}

Species Porella arboris-vitae, Porella bolanderi, Porella cordeana, Porella navicularis, Porella pinnata, Porella platyphylla and Porella roellii, were all found in Montana, USA.{{Cite web |last=Ratz |first=David |title=A Liverwort – Montana Field Guide |url=https://fieldguide.mt.gov/speciesDetail.aspx?elcode=NBHEP2Q0H0 |access-date=15 April 2022 |website=fieldguide.mt.gov |language=en}}

Species

The following species are recognised in the genus Porella by GBIF;{{cite web |title=Porella L. |url=https://www.gbif.org/species/2688728 |website=www.gbif.org |access-date=3 July 2023 |language=en}}

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References

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External links

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Category:Porellales

Category:Porellales genera

Category:Taxa named by Carl Linnaeus

Category:Taxa described in 1753

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