CNPS Inventory Plant Detail

Thysanocarpus conchuliferus

Common Name:	Santa Cruz Island fringepod
Family:	Brassicaceae
Synonyms:
Element Code:	PDBRA2Q060
Full Name:	Thysanocarpus conchuliferus Greene
USDA PLANTS Symbol:	THCO9

Biology
Lifeform: annual herb Blooming Period: March - May Habitat: rocky. • Chaparral • Cismontane woodland

Rarity Status
CA Rare Plant Rank: 1B.2 Rare, threatened, or endangered in California and elsewhere .2: Fairly endangered in California Federal Listing Status: FE Endangered (07/31/97) State Listing Status: Not Listed State Rank: S1 S1: Critically Imperiled. Global Rank: G1 G1: Critically Imperiled.

Occurrence Data from DFG
California Natural Diversity Database

Historic >20 yrs	Recent <=20 yrs
11	4

Presence:

Present Extant	Possibly Extirpated	Extirpated
15	0	0

Notes
Known from fewer than fifteen occurrences; no plants present in 1993 or 1994 surveys, and only one known extant occurrence in 1995. Threatened by grazing, feral herbivores, and non-native plants. To submit rare plant observation data, use the CNDDB field survey form. Please see also the CNPS Rare Plant Data page. Date Added: 1974-01-01 Last Update: 2011-12-06

Location

Elevation: 45 - 655 meters

California Endemic: yes

States: California

California Counties and Islands: name (code)
Santa Cruz Island (SCZ)

Quads: name (DWR code) USGS code
Santa Cruz Island A (SCZA) 33119H7, Santa Cruz Island B (SCZB) 33119H6, Santa Cruz Island C (SCZC) 33119H5

Notes:

Definitions of codes preceding a county and/or quad:
*		Presumed extirpated
?		Uncertain about distribution or identity
?*		Uncertain about distribution, but presumed extirpated if once present
(?)		Occurrence confirmed, but possibly extirpated

Species may be present in other areas where conditions are favorable.

Presumed Extant

Presumed Extirpated or Unknown

1518

Links to Leading Resources of Taxon Information
USDA PLANTS Calflora CalPhotos Consortium of California Herbaria California Department of Fish and Game: CNDDB Quick Viewer

Suggested Citation
California Native Plant Society (CNPS). Inventory of Rare and Endangered Plants (online edition, v8-01a). California Native Plant Society. Sacramento, CA. Accessed on .

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