Taxon Report

Poa abbreviata R. Br. ssp. marshii Soreng

Marsh's blue grass

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Taxon Summary

Poa abbreviata ssp. marshii, commonly known as Marsh's blue grass, is a perennial herb in the Poaceae that is found in California and elsewhere. It occurs within Alpine boulder and rock field, growing at elevations from 3660 to 3660 meters. Poa abbreviata ssp. marshii is ranked 2B.3, Plants Rare, Threatened, or Endangered in California, But More Common Elsewhere; Not very threatened in California.

  Classification
Scientific Name:
 Poa abbreviata R. Br. ssp. marshii Soreng
Common Name:
 Marsh's blue grass
Family: Poaceae
Element Code: PMPOA4Z013
USDA Plants Symbol: POABM
Synonyms/Other Names:

Ecology and Life History
Lifeform: perennial herb
Blooming Period: Jun Jun
Elevation: 3660-3660 (12010-12010)
General Habitats: Alpine boulder and rock field
Microhabitat:
Microhabitat Details:

Conservation Status
CA Rare Plant Rank: 2B.3
Global Rank: G5T2
State Rank:
 S1
State List: None
Fed List: None
Other Status:
CRPR Changes:
  • changed from 2.3 to 2B.3 on 2013-06-12

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

Location
California Endemic:  False
California Counties and Islands: Name (Code)
Mono (MNO)
Quads: Name (Quad Code)
Juniper Mtn. (3711862)

Threat List Data from the CNDDB

Threat List Total: 0
EOs with Threat Listed: Total EOs % of EOs
0 %

 

Notes
Known in CA from only one occurrence above Perry Aiken Creek in the White Mtns. Not in The Jepson Manual. See Phytologia 71(5):390-413 (1991) for original description.
Threats:
Taxonomy:

Selected References

Citation California Native Plant Society, Rare Plant Program. 2025. Rare Plant Inventory (online edition, v9.5.1). Website https://www.rareplants.cnps.org [accessed 30 October 2025].