Home/Species/ Howell's Miner's-lettuce

Montia howellii

S. Wats.

Howell's Miner's-lettuce

G3Vulnerable (G3G4) Found in 2 roadless areas NatureServe Explorer →

G3VulnerableGlobal Rank

Identity

Unique IDELEMENT_GLOBAL.2.153784

Element CodePDPOR05070

Record TypeSPECIES

ClassificationSpecies

Classification StatusStandard

Name CategoryVascular Plant

Endemicoccurs (regularly, as a native taxon) in multiple nations

KingdomPlantae

PhylumAnthophyta

ClassDicotyledoneae

OrderCaryophyllales

FamilyMontiaceae

GenusMontia

Other Common Names

Howell's Montia (EN) Montie de Howell (FR)

Concept Reference

Kartesz, J.T. 1994. A synonymized checklist of the vascular flora of the United States, Canada, and Greenland. 2nd edition. 2 vols. Timber Press, Portland, OR.

Taxonomic Comments

Distinct species with alternate linear leaves; flowers clustered in axils.

Conservation Status

Rank MethodExpertise without calculation

Review Date2016-05-16

Change Date2001-12-18

Edition Date1988-04-13

Edition AuthorsFredricks, N.A., rev. D. Gries, rev. K. Gravuer (2009)

Range Extent20,000-2,500,000 square km (about 8000-1,000,000 square miles)

Number of Occurrences81 - 300

Rank Reasons

Montia howellii occurs from near Vancouver Island, British Columbia, south through Washington and Oregon, to northwestern California, west of the Cascade Mountains. It is known from approximately 150 occurrences rangewide, most of which are in Oregon and California. Agriculture and grazing are threats to this species.

Range Extent Comments

Nanaimo Lowland, Hecate Lowland, Nanoose Bay, Mayne Island, Trial Island (all near Vancouver Island), British Columbia, south through Washington and Oregon, to northwestern California, west of the Cascade Mountains.

Occurrences Comments

There appear to be nearly 150 occurrences believed extant rangewide, mostly in California and Oregon.

Threat Impact Comments

Farming of this species' native habitat, and grazing. Urbanization and negative impacts to vernal pools are also threats to this species. Invasive species may also be a threat.

Ecology & Habitat

Habitat

Meadows, North Coast coniferous forest, vernal pools, vernally mesic soils, moist lowland areas.

Other Nations (2)

United StatesN3

Province	Rank	Native
Washington	S3	Yes
Oregon	S3	Yes
California	S2	Yes

CanadaN5

Province	Rank	Native
British Columbia	S5	Yes

Plant Characteristics

Economic Value (Genus)No

Roadless Areas (2)

Oregon (2)

Area	Forest	Acres
Gordon Meadows	Willamette National Forest	9,463
Menagerie (rooster Rock)	Willamette National Forest	374

References (2)

Kartesz, J.T. 1994. A synonymized checklist of the vascular flora of the United States, Canada, and Greenland. 2nd edition. 2 vols. Timber Press, Portland, OR.
Skinner, M.W., and B.M. Pavlik, eds. 1997 (1994). Inventory of rare and endangered vascular plants of California. 1997 Electronic Inventory Update of 1994 5th edition, California Native Plant Society, Special Publication No. 1, Sacramento.