Species Details

Plagiobothrys hystriculus

bearded popcornflower

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Scientific Name:
Plagiobothrys hystriculus (Piper) Jtn.
Common Name:
bearded popcornflower
Family: Boraginaceae
Element Code: PDBOR0V0H0
USDA Plants Symbol: PLHY
Synonyms/Other Names:
CA Rare Plant Rank: 1B.1
Fed List: None
State List: None
Global Rank: G2
State Rank:
S2
Other Status:
CRPR Changes:
changed from 1A to 1B.1 on 2006-06-08
Add Date: 1974-01-01
Date Edited: 2022-05-10
Lifeform: annual herb
Blooming Period: Apr-May
Elevation:
0 - 274 meters
0 - 900 feet
General Habitat:
  • Valley and foothill grassland (mesic)
  • Vernal pools (margins)
General Micro Habitat: often vernal swales
Micro Habitat:
Notes:
Rediscovered in 2005 by B. Schafer, M. Widdowson, and R. Preston; last seen in 1892. Easily confused with P. acanthocarpus, P. trachycarpus, and others. Threatened by disking, development, and non-native plants. See Contributions of the U.S. National Herbarium 22:79-113 (1920) for original description, Contributions from the Arnold Arboretum 3:5-82 (1932) for revised nomenclature, and MadroƱo 57(4):242-245 (2010) for discussion of rediscovery.
Threats:
Taxonomy:
Other:
Total Occurrences: 15
Element Occurrence Ranks:
A B C D X U
3 4 1 0 0 7
Occurrence Status:
Historical >20 Years 4
Recent <=20 Years 11
Presence:
Presumed Extant 15
Possibly Extirpated 0
Presumed Extirpated 0
California Endemic:
California Island:
States: Name (Code)
California (CA)
California Counties and Islands: Name (Code)
Napa (NAP), Solano (SOL), Yolo (YOL)
Quads: Name (Quad Code)
Allendale (3812148), Antioch North (3812117), Birds Landing (3812127), Denverton (3812128), Dozier (3812137), Elmira (3812138), Knoxville (3812273), Saxon (3812146)
Notes:
Definitions of codes following a county and/or quad:
* Presumed extirpated
(?) Occurrence confirmed, but possibly extirpated
Quad and county data is imported from the CNDDB. Species may be present in other areas where conditions are favorable. These data should NOT be substituted for pre-project review or for on-site surveys.

Map

Presumed Extant
Counties   Quads