CNPS Inventory Plant Detail

Montia howellii

Common Name:	Howell's montia
Family:	Montiaceae
Synonyms:
Element Code:	PDPOR05070
Full Name:	Montia howellii Wats.
USDA PLANTS Symbol:	MOHO

Biology
Lifeform: annual herb Blooming Period: February - May Habitat: vernally mesic, sometimes roadsides. • Meadows and seeps • North Coast coniferous forest • Vernal pools

Rarity Status
Rare Plant Rank: 2.2 Rare, threatened, or endangered in California, but more common elsewhere .2: Fairly endangered in California Federal Listing Status: Not Listed State Listing Status: Not Listed State Rank: S3 S3: Vulnerable. Global Rank: G3G4 G3: Vulnerable. G4: Apparently secure, considering populations outside California.

Occurrence Data from DFG
California Natural Diversity Database

Total # of Known Element Occurrences: 73
Element Occurrence Ranks:

A B C D X U

8 33 16 6 4 6

Population Status:

Historic >20 yrs	Recent <=20 yrs
6	67

Presence:

Present Extant	Possibly Extirpated	Extirpated
69	3	1

Notes

Rediscovered in CA in 1999 by Clare Golec. Did plant occur in DNT Co.? Threatened by logging, road construction, road maintenance, vehicles, and competition. Possibly threatened by non-native plants. Candidate for state listing in OR. Sometimes mistaken for M. fontana or M. dichotoma. See Proceedings of the American Academy of Arts and Sciences 18:191 (1883) 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: 1994-01-01
Last Update: 2011-12-06

Location

Elevation: 0 - 835 meters

California Endemic: no

States: California, Oregon, Washington

California Counties and Islands: name (code)
Humboldt (HUM), Trinity (TRI)

Quads: name (DWR code) USGS code
Fort Seward (616B) 40123B6, Miranda (617A)* 40123B7, Briceland (617C)* 40123A8, Larabee Valley (634B) 40123D6, Blocksburg (634C) 40123C6, Bridgeville (635A) 40123D7, Redcrest (635B) 40123D8, Myers Flat (635D) 40123C7, Scotia (636A) 40124D1, Taylor Peak (636B) 40124D2, Buckeye Mtn. (636C) 40124C2, Capetown (637A) 40124D3, Mad River Buttes (653A) 40123F7, Iaqua Buttes (653B) 40123F8, Owl Creek (653C) 40123E8, McWhinney Creek (654A) 40124F1, Fields Landing (654B) 40124F2, Hydesville (654D) 40124E1, Ferndale (655D) 40124E3, Ironside Mtn. (669C) 40123G4, Salyer (670A)* 40123H5, Willow Creek (670B) 40123H6, Hennessy Peak (670D) 40123G5, Korbel (671C) 40123G8, Maple Creek (671D) 40123G7, Eureka (672C) 40124G2, Arcata South (672D) 40124G1, Weitchpec (687B) 41123B6, Panther Creek (688C) 41123A8, Orick (706D) 41124C1

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

1728

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

Suggested Citation
California Native Plant Society (CNPS). Inventory of Rare and Endangered Plants (online edition, v8-02). California Native Plant Society. Sacramento, CA. Accessed on .

-123.875,40.625