Physaria klausii

(Rollins) O'Kane & Al-Shehbaz

Klaus' Bladderpod

G3Vulnerable Found in 1 roadless area NatureServe Explorer →
G3VulnerableGlobal Rank
Identity
Unique IDELEMENT_GLOBAL.2.139165
Element CodePDBRA1N1Z0
Record TypeSPECIES
ClassificationSpecies
Classification StatusStandard
Name CategoryVascular Plant
Endemicendemic to a single state or province
KingdomPlantae
PhylumAnthophyta
ClassDicotyledoneae
OrderCapparales
FamilyBrassicaceae
GenusPhysaria
Synonyms
Lesquerella klausiiRollins
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.
Conservation Status
Review Date2009-09-02
Change Date1988-12-16
Edition Date1989-01-18
Edition AuthorsShelly, J.S., rev. B. Heidel (1999), rev. S. Mincemoyer (2007)
Range Extent250-20,000 square km (about 100-8000 square miles)
Number of Occurrences21 - 80
Rank Reasons
State endemic restricted to central-Montana with the majority of populations occurring in the Big Belt Mountains and extending north to the southern end of the Rocky Mountain Front. Many large populations exist and the species typically occurs on gravelly slopes that are not usually subject to human disturbance. Overall, threat to this species are considered low, although population trends are unknown.
Range Extent Comments
Montana endemic, restricted to Broadwater, Lewis and Clark, and Meagher Counties.
Occurrences Comments
There are about 40 documented occurrences, and reports of others since the species was dropped from tracking. during field surveys in 1986, fourteen in 1987.
Threat Impact Comments
Some occurrences are potentially threatened by off-road vehicle use, road construction, and accompanying noxious weed invasion; many occurrences on steep or inaccessible slopes.
Ecology & Habitat

Habitat

Open gravel slides or shale-talus slopes, and open soil of slopes and ridges at mid- to high elevations (4000-8000').
Other Nations (1)
United StatesN3
ProvinceRankNative
MontanaS3Yes
Plant Characteristics
Economic Value (Genus)Yes
Roadless Areas (1)
Montana (1)
AreaForestAcres
Big LogHelena National Forest8,954
References (3)
  1. Flora of North America Editorial Committee (FNA). 2010. Flora of North America north of Mexico. Vol. 7. Magnoliophyta: Salicaceae to Brassicaceae. Oxford University Press, New York. xxii + 797 pp.
  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.
  3. Kartesz, J.T. 1999. A synonymized checklist and atlas with biological attributes for the vascular flora of the United States, Canada, and Greenland. First edition. In: Kartesz, J.T., and C.A. Meacham. Synthesis of the North American Flora, Version 1.0. North Carolina Botanical Garden, Chapel Hill, N.C.