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Field Pennycress - Thlaspi arvense
Other Names:
Stinkweed
General Description
Glabrous, taprooted annual. Stems erect, usually branched, 15–60 cm. Leaves basal and cauline; the basal withering early; the cauline oblanceolate, 15–55 mm long, petiolate below, auriculate and clasping above, entire to dentate. Inflorescence an ebracteate raceme. Flowers white; petals 2–4 mm long. Fruits flattened, broadly winged, obovate to nearly orbicular silicles 5–13 mm long, deeply notched at the tip; style up to 0.3 mm long; seeds 2 to 8 per locule; pedicels ascending, 5–12 mm long (
Lesica et al. 2012. Manual of Montana Vascular Plants. BRIT Press. Fort Worth, TX).
Species Range
Montana Range
Range Descriptions
Non-native
Range Comments
Introduced throughout temperate North America; native to Europe (Lesica et al. 2012. Manual of Montana Vascular Plants. BRIT Press. Fort Worth, TX).
Observations in Montana Natural Heritage Program Database
Number of Observations: 1140
(Click on the following maps and charts to see full sized version)
Map Help and Descriptions
Relative Density
Recency
(Observations spanning multiple months or years are excluded from time charts)
Habitat
Disturbed soil of fields, roadsides, grasslands, steppe; plains, valleys, montane (
Lesica et al. 2012. Manual of Montana Vascular Plants. BRIT Press. Fort Worth, TX).
Management
References
- Literature Cited AboveLegend:
View Online Publication- Lesica, P., M.T. Lavin, and P.F. Stickney. 2012. Manual of Montana Vascular Plants. Fort Worth, TX: BRIT Press. viii + 771 p.
- Additional ReferencesLegend: View Online Publication
Do you know of a citation we're missing?- Adhikari, S. 2018. Impacts of dryland farming systems on biodiversity, plant-insect interactions, and ecosystem services. Ph.D. Dissertation. Bozeman, MT: Montana State University. 207 p.
- Adhikari, S., L.A. Burkle, K.M. O'Neill, C.M. Delphia, D.K. Weaver, and F.D. Menalled. 2019. Dryland organic farming partially offsets negative effects of highly simplified agricultural landscapes on forbs, bees, and bee-flower networks. Environmental Entomology 48(4): 826-835.
Ament, R.J. 1995. Pioneer Plant Communities Five Years After the 1988 Yellowstone Fires. M.Sc. Thesis. Bozeman, MT: Montana State University. 216 p.- Boggs, K. W. 1984. Succession in riparian communities of the lower Yellowstone River, Montana. M.S. Thesis. Montana State University, Bozeman, 107 pp.
- Buchanan, B.A. 1972. Ecological effects of weather modification, Bridger Range area, Montana: relationship of soil, vegetation, and microclimate. Ph.D. Dissertation. Montana State University, Bozeman. 130 p.
- Clark, D. 1991. The effect of fire on Yellowstone ecosystem seed banks. M.Sc. Thesis. Montana State University, Bozeman. 115 pp.
- Culver, D.R. 1994. Floristic analysis of the Centennial Region, Montana. M.Sc. Thesis. Montana State University, Bozeman. 199 pp.
- Dale, D. 1973. Effects of trail use under forests in the Madison Range, Montana. M.Sc. Thesis. Bozeman, MT: Montana State University. 96 pp.
- Douglass, R.J. 1973. Spatial interactions and microhabitat selections of two locally sympatric voles, Microtus montanus and Microtus pennsylvanicus. Ph.D. Dissertation. Bozeman, Montana: Montana State University. 48 p.
- DuBois, K.L. 1979. An inventory of the avifauna in the Long Pines of Southeastern Montana. M.Sc. Thesis. Bozeman, MT: Montana State University. 113 p.
- Eggers, M.J.S. 2005. Riparian vegetation of the Montana Yellowstone and cattle grazing impacts thereon. M.Sc. Thesis. Montana State University, Bozeman, MT. 125 p.
- Eversman, S.T. 1968. A comparison of plant communities and substrates of avalanche and non-avalanche areas in south central Montana. M.Sc. Thesis. Bozeman, MT: Montana State University. 39 pp.
- Fritzen, D.E. 1995. Ecology and behavior of Mule Deer on the Rosebud Coal Mine, Montana. Ph.D. Dissertation. Bozeman, MT: Montana State University. 143 p.
- Gobeille, J.E. 1992. The effect of fire on Merriams turkey brood habitat in southeastern Montana. M.Sc. Thesis. Bozeman, MT: Montana State University. 61 p.
- Grove, A.J. 1998. Effects of Douglas fir establishment in southwestern Montana mountain big sagebrush communities. M. Sc.Thesis. Bozeman, MT: Montana State University. 150 p.
- Harvey, A.J. 2019. Understanding the biology, ecology, and integrated management of Ventenata dubia. M.Sc. Thesis. Bozeman, MT: Montana State University. 117 p.
- Harvey, S.J. 1990. Responses of steppe plants to gradients of water soil texture and disturbance in Montana, U.S.A. Ph.D. Thesis. Bozeman, MT: Montana State University. 34 p.
- Jones, W. W. 1901. Preliminary flora of Gallatin County. M.S. Thesis. Bozeman, MT: Montana State College. 78 pp.
- King, L.A. 1980. Effects of topsoiling and other reclamation practices on nonseeded species establishment on surface mined land at Colstrip, Montana. M.Sc. Thesis. Bozeman, MT: Montana State University. 129 p.
- Law, D.J. 1999. A comparison of water table dynamics and soil texture under black cottonwood recent alluvial bar, beaked sedge, and Geyer's/Drummond's willow communities. M.Sc. Thesis. Bozeman, MT: Montana State University. 68 p.
- Lesica, P., M.T. Lavin, and P.F. Stickney. 2022. Manual of Montana Vascular Plants, Second Edition. Fort Worth, TX: BRIT Press. viii + 779 p.
- Meier, G.A. 1997. The colonization of Montana roadsides by native and exotic plants. M.Sc. Thesis. Bozeman, MT: Montana State University. 45 p.
- Nance, E.L. 1994. Quantification of flea beetle injury Phyllotreta cruciferae (Coleoptera: Chrysomelidae) on canola in Montana. M.Sc. Thesis. Bozeman, MT: Montana State University. 56 p.
- Peterson, J.G. 1969. The food habits and summer distribution of juvenile sage grouse in central Montana. M.Sc. Thesis. Bozeman, MT: Montana State University. 39 p.
- Quire, R.L. 2013. The sagebrush steppe of Montana and southeastern Idaho shows evidence of high native plant diversity, stability, and resistance to the detrimental effects of nonnative plant species. M.Sc. Thesis. Bozeman, MT: Montana State University. 124 p.
- Rundquist, V.M. 1973. Avian ecology on stock ponds in two vegetational types in north-central Montana. Ph.D. Dissertation. Bozeman, MT: Montana State University. 112 p.
- Sater, S. 2022. The insects of Sevenmile Creek, a pictorial guide to their diversity and ecology. Undergraduate Thesis. Helena, MT: Carroll College. 242 p.
- Seipel, T.F. 2006. Plant species diversity in the sagebrush steppe of Montana. M.Sc. Thesis. Bozeman, MT: Montana State University. 87 p.
- Simanonok, M. 2018. Plant-pollinator network assembly after wildfire. Ph.D. Dissertation. Bozeman, MT: Montana State University. 123 p.
- Simanonok, M.P. and L.A. Burkle. 2019. Nesting success of wood-cavity-nesting bees declines with increasing time since wildfire. Ecology and Evolution 9:12436-12445.
- Stoecker, R.E. 1967. A population study of five species of small rodents in the Bridger Mountains of Montana. M.Sc. Thesis. Bozeman, Montana: Montana State University. 32 p.
- Trout, R.G. 1978. Small mammal abundance and distribution in the Missouri River Breaks, Montana. M.Sc. Thesis. Bozeman, Montana: Montana State University. 64 p.
- Tuinstra, K. E. 1967. Vegetation of the floodplains and first terraces of Rock Creek near Red Lodge, Montana. Ph.D dissertation. Montana State University, Bozeman 110 pp.
- Wood, A.K. 1987. Ecology of a prairie mule deer population. Ph.D. Dissertation. Bozeman, MT: Montana State University. 205 p.
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