Species Details

Cryptantha hooveri

Hoover's cryptantha

View Report Copy Link CalFlora EFlora CCH CalPhotos iNaturalist

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 Habitats:

Inland dunes
Valley and foothill grassland (sandy)

Microhabitat Details:

Microhabitat:

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:

Threat List Data from the CNDDB

THREAT LIST:
Threat List Total:	2
	Total EOs	% of EOs
EOs with Threat Listed:	3	75 %
Agriculture	2	50%
Development	1	25%

Occurrence Data from the CNDDB

Element Occurrence Ranks:
Total Occurrences:					4
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

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

Click on quad for name. Hold Shift Key to use mouse scroll wheel

CNPS Rare Plant Inventory