CNPS Inventory Plant Detail

Streptanthus insignis ssp. lyonii

Common Name:	Arburua Ranch jewel-flower
Family:	Brassicaceae
Synonyms:
Element Code:	PDBRA2G0Q1
Full Name:	Streptanthus insignis Jeps. ssp. lyonii Kruckeberg & Morrison
USDA PLANTS Symbol:	STINL

Biology
Lifeform: annual herb Blooming Period: March - May Habitat: • Coastal scrub (sometimes serpentinite)

Rarity Status
CA Rare Plant Rank: 1B.2 Rare, threatened, or endangered in California and elsewhere .2: Fairly endangered in California Federal Listing Status: Not Listed State Listing Status: Not Listed State Rank: S2 S2: Imperiled. Global Rank: G3G4T2 T2: Imperiled. G3: (species) Vulnerable. G4: (species) Apparently secure, considering populations outside California.

Occurrence Data from DFG
California Natural Diversity Database

Historic >20 yrs	Recent <=20 yrs
15	3

Presence:

Present Extant	Possibly Extirpated	Extirpated
18	0	0

Notes
Known from fewer than ten occurrences, where not often reported recently. Threatened by grazing, and potentially by reservoir construction. See Madroño 30(4):230-244 (1985) for original description. To submit rare plant observation data, use the CNDDB field survey form. Please see also the CNPS Rare Plant Data page. Date Added: 1984-01-01 Last Update: 2010-03-15

Location

Elevation: 230 - 855 meters

California Endemic: yes

States: California

California Counties and Islands: name (code)
Merced (MER)

Quads: name (DWR code) USGS code
Ortigalita Peak (383C) 36120G8, Los Banos Valley (384A) 36121H1, Ruby Canyon (384D) 36121G1

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

1504

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 .

-121.0,36.75