Taxon Report

Nemophila breviflora Gray

Great Basin nemophila

Print Report


©2013 Trent M. Draper

  Classification
Scientific Name:
 Nemophila breviflora Gray
Common Name:
 Great Basin nemophila
Family: Hydrophyllaceae
Element Code: PDHYD0B020
USDA Plants Symbol: NEBR
Synonyms/Other Names:

Ecology and Life History
Lifeform: annual herb
Blooming Period: May-Jul May-Jul
Elevation: 1220-2410 (4005-7905)
General Habitats: Great Basin scrub, Meadows and seeps, Upper montane coniferous forest
Microhabitat: Mesic
Microhabitat Details:

Conservation Status
CA Rare Plant Rank: 2B.3
Global Rank: G4G5
State Rank:
 S3
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: 23
Element Occurrence Ranks:
   Excellent (A) 5
   Good (B) 3
   Fair (C) 1
   Poor (D) 0
   None (X) 0
   Unknown (U) 14

Location
California Endemic:  False
California Counties and Islands: Name (Code)
Lassen (LAS), Modoc (MOD), Shasta (SHA)
Quads: Name (Quad Code)
Ambrose Valley (4112027), Boot Lake (4112012), Cedarville (4112052), Dana (4112115), Eagle Peak (4112032), Emerson Peak (4112022), Jess Valley (4112023), Knox Mountain (4112026), Lake Annie (4112081), Mt. Bidwell (4112082), Payne Peak (4112053), Shields Creek (4112043), Soup Creek (4112033), Surprise (4112054), Willow Ranch (4112083)

Threat List Data from the CNDDB

Threat List Total: 5
EOs with Threat Listed: Total EOs % of EOs
7 30 %
Grazing 5 21%
Logging 3 13%
Mining 1 4%
Non-native plant impacts 1 4%
Recreational use (non-ORV) 1 4%

Notes
Threats:

Possibly threatened by grazing, vehicles, and recreational activities.
Taxonomy:

Selected References

Proceedings of the American Academy of Arts and Sciences 10:315 (1875)
University of California Publications in Botany 19(10):353-355 (1941)
Nemophila breviflora profile for potential Species of Conservation Concern evaluation (2019)
USFS Potential Species of Conservation Concern Profile
Citation California Native Plant Society, Rare Plant Program. 2025. Rare Plant Inventory (online edition, v9.5.1). Website https://www.rareplants.cnps.org [accessed 1 January 2025].