CNPS Inventory Plant Detail

*The database used to provide updates to the Online Inventory is under construction. View updates and changes made since May 2019 here.

Calyptridium arizonicum

Common Name:	Arizona pussypaws
Family:	Montiaceae
Synonyms:
Element Code:	PDPOR09051
Full Name:	Calyptridium arizonicum (J.T.Howell) M.G.Simpson, M.Silveira, & Guilliams
USDA PLANTS Symbol:

Biology
Lifeform: annual herb Blooming Period: Mar-Apr Habitat: Metamorphic, washes. • Sonoran desert scrub

Rarity Status
California Rare Plant Rank: 2B.1 Rare or Endangered in California, common elsewhere .1: Seriously endangered in California Federal Listing Status: Not Listed State Listing Status: Not Listed State Rank: S1 S1: Critically Imperiled. Global Rank: G3? G3: Vulnerable.

Occurrence Data from CDFW
California Natural Diversity Database

Total # of Known Element Occurrences: 2
Element Occurrence Ranks:

A B C D X U

1 1 0 0 0 0

Population Status:

Historic >20 yrs	Recent <=20 yrs
0	2

Presence:

Present Extant	Possibly Extirpated	Presumed Extirpated
2	0	0

Notes

Discovered in CA in 2004. Threatened by vehicles. Potentially threatened by foot traffic and recreational activities. Not in The Jepson Manual (1993). See C. parryi var. arizonicum in TJM 2. See Leaflets of Western Botany 4(8):214-216 (1945) for original description, and Madroño 57(3):145-160 (2010) for taxonomic treatment.
To submit rare plant observation data, use the CNDDB field survey form. Please see also the CNPS Rare Plant Data page.
Date Added: 2011-08-17
Last Update: 2019-04-18

Location

Elevation: 610 - 790 meters

California Endemic: no

Other States: Arizona, Baja California, Sonora

California Counties and Islands: name (code)
San Diego (SDG)

Quads: name (DWR code) USGS code
Earthquake Valley (032C) 3311614

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. This data should NOT be substituted for pre-project review or for on-site surveys.

Presumed Extant

Presumed Extirpated or Unknown

3575

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

Suggested Citation
California Native Plant Society, Rare Plant Program. . Inventory of Rare and Endangered Plants of California (online edition, v8-03). Website http://www.rareplants.cnps.org [accessed ].

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