Species Details

Tropidocarpum capparideum

caper-fruited tropidocarpum

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Classification

Scientific Name: Tropidocarpum capparideum Greene
Common Name: caper-fruited tropidocarpum
Family:	Brassicaceae
Element Code:	PDBRA2R010
USDA Plants Symbol:	TRCA9
Synonyms/Other Names:

Conservation Status

CA Rare Plant Rank:	1B.1
Fed List:	None
State List:	None
Global Rank:	G1
State Rank:	S1
Other Status:	SB_CalBG/RSABG; USFS_S
CRPR Changes: added to 1B on 2003-05-07
Add Date:	1974-01-01
Date Edited:	2021-05-26

Ecology and Life History

Lifeform: annual herb

Blooming Period: Mar-Apr

Elevation:
1 - 455 meters
5 - 1495 feet

General Habitats:

Valley and foothill grassland (alkaline hills)

Microhabitat Details:

Microhabitat:

Notes

Notes: Rediscovered in 2000 on Ft. Hunter Liggett (DOD). Possibly threatened by grazing, military activities, trampling, and non-native plants. See Pittonia 1:217 (1888) for original description, and Novon 11:292-293 (2001) for taxonomic information.
Threats:
Taxonomy:

Threat List Data from the CNDDB

THREAT LIST:
Threat List Total:	8
	Total EOs	% of EOs
EOs with Threat Listed:	15	68 %
Agriculture	8	36%
Development	5	22%
Military operations	5	22%
Non-native plant impacts	3	13%
ORV activity	1	4%
Grazing	1	4%
Improper burning regime	1	4%
Altered flood/tidal/hydrologic regime	1	4%

Occurrence Data from the CNDDB

Element Occurrence Ranks:
Total Occurrences:					22
A	B	C	D	X	U
1	4	0	0	9	8

Occurrence Status:
Historical >20 Years	16
Recent <=20 Years	6

Presence:
Presumed Extant	13
Possibly Extirpated	6
Presumed Extirpated	3

Location

California Endemic:

California Island:

States: Name (Code)
California (CA)

California Counties and Islands: Name (Code)
Alameda (ALA)*, Contra Costa (CCA)*, Monterey (MNT), San Joaquin (SJQ)*, San Luis Obispo (SLO)

Quads: Name (Quad Code)
Altamont (3712166)*, Brentwood (3712186), Burnett Peak (3512172), Byron Hot Springs (3712176)*, Clayton (3712188)*, Clifton Court Forebay (3712175)*, Jolon (3512182), Lathrop (3712173), Livermore (3712167), Lopez Mtn. (3512035), Midway (3712165)*, Tassajara (3712177), Tracy (3712164)*, Union Island (3712174), Woodward Island (3712185)*

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

Selected References

CNPS Status Review:

CRPR List Addition on 2003-05-07