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Desert Alyssum - Alyssum desertorum
Other Names:
Desert Madwort
General Description
Stems to 15 cm. Leaves to 2 cm long. Fruit glabrous, conspicuously wing-margined; style 0.5–1 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 BC to MB south to CA, UT and MO (Lesica et al. 2012. Manual of Montana Vascular Plants. BRIT Press. Fort Worth, TX).
Observations in Montana Natural Heritage Program Database
Number of Observations: 866
(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 grasslands, fields, streambanks, roadsides; plains, valleys (
Lesica et al. 2012. Manual of Montana Vascular Plants. BRIT Press. Fort Worth, TX).
Management
Stewardship Responsibility
Based on the Montana Natural Heritage Program's latest
predicted habitat suitability model
| Total species' range in Montana |
381,296 km2 |
(100% of Montana) |
Area predicted to have
some level of suitable habitat |
226,420 km2 |
(59% of Montana) |
Stewardship responsibility for the predicted area of suitable habitat can be broken down as follows
| |
Total Suitable |
Optimal Suitability |
Moderate Suitability |
Low Suitability |
| Federal |
23% |
<1% |
10% |
13% |
| State |
7% |
<1% |
2% |
5% |
| Local |
<1% |
<1% |
<1% |
<1% |
| Conservation Lands/Easements |
3% |
<1% |
1% |
2% |
| Private/Tribal/Unknown |
67% |
<1% |
19% |
48% |
See the Habitat Suitability for Biodiversity task in Map Viewer
for a more detailed look at stewardship responsibilities within a variety of local jurisdictions.
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?
Bess, J.A. 1997. The leafhopper species assemblages associated with native and replanted grasslands in southwest Montana. M.Sc. Thesis. Bozeman, Montana: Montana State University. 94 p.- Chadde, S.W. 1985. Initial recovery patterns of southwestern Montana foothill range. M.Sc. Thesis. Bozeman, MT: Montana State University. 103 p.
- Culver, D.R. 1994. Floristic analysis of the Centennial Region, Montana. M.Sc. Thesis. Montana State University, Bozeman. 199 pp.
- Dillard, S.L. 2019. Restoring semi-arid lands with microtopography. M.Sc. Thesis. Bpzeman, MT: Montana State University. 97 p.
- 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.
- 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.
- Larson, C.D., E.A. Lehnhoff, and L.J. Rew. 2017. A warmer and drier climate in the northern sagebrush biome does not promote Cheatgrass invasion or change its response to fire. Oecologia 185:763-774.
- 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.
- 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.
- 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., L.J. Rew, K.T. Taylor, B.D. Maxwell, and E.A. Lehnhoff. 2018. Applied Vegetation Science 21:385-394.
- Seipel, T.F. 2006. Plant species diversity in the sagebrush steppe of Montana. M.Sc. Thesis. Bozeman, MT: Montana State University. 87 p.
- Skinner, K.F. 1995. Plant and grasshopper community composition: indicators & interactions across three spatial scales. M.Sc. Thesis. Bozeman, MT: Montana State University. 144 p.
- Steerey, W. F. 1979. Distribution, range use and population characteristics of Mule Deer associated with the Schafer Creek winter range, Bridger Mountains, Montana. M.Sc. Thesis. Bozeman, Montana: Montana State University. 119 p.
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