Species Details

Cryptantha hooveri

Hoover's cryptantha

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Classification

Scientific Name: Cryptantha hooveri I.M. Johnst.
Common Name: Hoover's cryptantha
Family:	Boraginaceae
Element Code:	PDBOR0A190
USDA Plants Symbol:	CRHO4
Synonyms/Other Names:

Conservation Status

CA Rare Plant Rank:	1A
Fed List:	None
State List:	None
Global Rank:	GH
State Rank:	SH
Other Status:
CRPR Changes: changed from 1B to 1A on 2005-08-23
Add Date:	1974-01-01
Date Edited:	2021-05-26

Ecology and Life History

Lifeform: annual herb
Blooming Period: Apr-May
Elevation: 9 - 150 meters 30 - 490 feet
General Habitat: Inland dunes Valley and foothill grassland (sandy)
General Micro Habitat:
Micro Habitat:

Notes

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:
Other:

Occurrence Data from the CNDDB

Element Occurrence Ranks:
Total Occurrences:					4
A	B	C	D	X	U
0	0	0	0	2	2

Occurrence Status:
Historical >20 Years	4
Recent <=20 Years	0

Presence:
Presumed Extant	2
Possibly Extirpated	2
Presumed Extirpated	0

Location

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.

Regional Map

Map

Presumed Extant

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Counties Quads

Selected References

CNPS Status Review:

CRPR List Change on 2005-08-23