Taxon Report

Pohlia flexuosa Hook.

flexuose threadmoss

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Taxon Summary

Pohlia flexuosa, commonly known as flexuose threadmoss, is a moss in the Mielichhoferiaceae that is found only in California. It occurs within Lower montane coniferous forest, growing at elevations from 950 to 1025 meters. Pohlia flexuosa is ranked 2B.1, Plants Rare, Threatened, or Endangered in California, But More Common Elsewhere; Seriously threatened in California.


  Classification

Scientific Name:
Pohlia flexuosa Hook.
Common Name:
flexuose threadmoss
Family: Mielichhoferiaceae
Element Code: NBMUS5S1D0
USDA Plants Symbol: POFL2
Synonyms/Other Names:

Ecology and Life History

Lifeform: moss
Blooming Period:
Elevation: 950-1025 (3115-3365)
General Habitats: Lower montane coniferous forest
Microhabitat: Roadsides, Rocky, Seeps
Microhabitat Details:

Occurrence Data from the CNDDB

Total Occurrences: 1
Element Occurrence Ranks:
   Excellent (A) 0
   Good (B) 0
   Fair (C) 0
   Poor (D) 0
   None (X) 0
   Unknown (U) 1
California Endemic:  False
California Counties and Islands: Name (Code)
Yuba (YUB)
Quads: Name (Quad Code)
Strawberry Valley (3912151)

Notes

Discovered in CA in 2006 by D. Toren. See Icones Plantarum 1(1): pl.19, f.5 (1837) for original description, and The Bryologist 112(1):178-183 (2009) for information on discovery in CA.
Threats:
Taxonomy:

Selected References

CRPR List Addition on 2014-10-10
Citation California Native Plant Society, Rare Plant Program. 2025. Rare Plant Inventory (online edition, v9.5.1). Website https://www.rareplants.cnps.org [accessed 21 October 2025].