CNPS Inventory Plant Detail

Malacothamnus hallii

Common Name:	Hall's bush-mallow
Family:	Malvaceae
Synonyms:
Element Code:	PDMAL0Q0F0
Full Name:	Malacothamnus hallii (Eastw.) Kearn.
USDA PLANTS Symbol:	MAFA

Biology
Lifeform: perennial evergreen shrub Blooming Period: May - October Habitat: • Chaparral • Coastal scrub

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: G2Q G2: Imperiled. (There are taxonomic questions associated with this name)

Occurrence Data from DFG
California Natural Diversity Database

Total # of Known Element Occurrences: 37
Element Occurrence Ranks:

A B C D X U

3 8 4 1 1 20

Population Status:

Historic >20 yrs	Recent <=20 yrs
16	21

Presence:

Present Extant	Possibly Extirpated	Extirpated
36	1	0

Notes
MNO Co. occurrence (UC138307, 453B) needs verification. Threatened by development. Possibly threatened by non-native plants. A synonym of M. fasciculatus in The Jepson Manual. 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: 2010-03-15

Location

Elevation: 10 - 760 meters

California Endemic: yes

States: California

California Counties and Islands: name (code)
Contra Costa (CCA), Lake (LAK), Mendocino (MEN), Merced (MER), Santa Clara (SCL), San Mateo (SMT), Stanislaus (STA)

Quads: name (DWR code) USGS code
Los Banos Valley (384A) 36121H1, Pacheco Pass (404C) 37121A2, Mississippi Creek (405B) 37121B4, Pacheco Peak (405D) 37121A3, Morgan Hill (406B) 37121B6, Mt. Madonna (406C) 37121A6, Santa Teresa Hills (407A) 37121B7, Milpitas (427B) 37121D8, San Jose West (427C) 37121C8, San Jose East (427D) 37121C7, Lone Tree Creek (444C) 37121E4, Solyo (444D) 37121E3, Montara Mountain (448C) 37122E4, San Mateo (448D) 37122E3, Antioch South (464A) 37121H7, Clayton (464B) 37121H8, Diablo (464C) 37121G8, Benmore Canyon (548D) 39122A5, Elledge Peak (550C) 39123A2, Boonville (551D) 39123A3

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

1065

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 .

-121.875,37.75