CNPS Inventory Plant Detail

Ivesia argyrocoma var. argyrocoma

Common Name:	silver-haired ivesia
Family:	Rosaceae
Synonyms:	Ivesia argyrocoma
Element Code:	PDROS0X020
Full Name:	Ivesia argyrocoma (Rydb.) Rydb. var. argyrocoma
USDA PLANTS Symbol:	IVAR

Biology
Lifeform: perennial herb Blooming Period: June - August Habitat: • Meadows and seeps (alkaline) • Pebble (Pavement) plain • Upper montane coniferous forest

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: S2.2 S2: Imperiled. .2: Threatened. Global Rank: G2T2 T2: Imperiled. G2: (species) Imperiled.

Occurrence Data from DFG
California Natural Diversity Database

Total # of Known Element Occurrences: 41
Element Occurrence Ranks:

A B C D X U

1 13 9 2 0 16

Population Status:

Historic >20 yrs	Recent <=20 yrs
13	28

Presence:

Present Extant	Possibly Extirpated	Extirpated
41	0	0

Notes

Threatened by development, grazing, foot traffic, mining, non-native species, recreational activities, road construction, road maintenance, and vehicles. Possibly threatened by logging. Populations in BA possibly taxonomically distinct.
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: 2010-09-09

Location

Elevation: 1463 - 2960 meters

California Endemic: no

States: California, Baja California

California Counties and Islands: name (code)
San Bernardino (SBD)

Quads: name (DWR code) USGS code
Onyx Peak (104B) 34116B6, Catclaw Flat (104C) 34116A6, Moonridge (105A) 34116B7, Big Bear Lake (105B) 34116B8, Harrison Mtn. (106B) 34117B2, Fawnskin (131C) 34116C8, Big Bear City (131D) 34116C7, Lake Arrowhead (132C) 34117C2, Butler Peak (132D) 34117C1

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

636

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 .

-116.875,34.125