Species Details

Cryptantha hooveri

Hoover's cryptantha

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Scientific Name:
Cryptantha hooveri I.M. Johnst.
Common Name:
Hoover's cryptantha
Family: Boraginaceae
Element Code: PDBOR0A190
USDA Plants Symbol: CRHO4
Synonyms/Other Names:
Lifeform: annual herb
Blooming Period: Apr-May
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Elevation:
9 - 150 meters
30 - 490 feet
General Habitats:
  • Inland dunes
  • Valley and foothill grassland (sandy)
Microhabitat Details:
Microhabitat:
Notes:
Last seen in 1939. Recent surveys unsuccessful; additional field work needed. See Journal of the Arnold Arboretum 18:23 (1937) for original description.
Threats:
Taxonomy:
Threat List Total: 2
Total EOs % of EOs
EOs with Threat Listed: 3 75 %
THREAT LIST:
Agriculture 2 50%
Development 1 25%
Total Occurrences: 4
Element Occurrence Ranks:
A B C D X U
0 0 0 0 4 0
Occurrence Status:
Historical >20 Years 4
Recent <=20 Years 0
Presence:
Presumed Extant 0
Possibly Extirpated 4
Presumed Extirpated 0
California Endemic:
California Island:
States: Name (Code)
California (CA)
California Counties and Islands: Name (Code)
Contra Costa (CCA)*, Madera (MAD)*, Sacramento (SAC), Stanislaus (STA)*
Quads: Name (Quad Code)
Antioch North (3812117)*, Antioch South (3712187), Bliss Ranch (3712014)*, Chowchilla (3712013), Cooperstown (3712065)*, Knowles (3711927), Little Table Mtn. (3711917), Millerton Lake West (3711916), O'Neals (3711926)
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.
Presumed Extant
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