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Suckley's Saltbush - Atriplex suckleyi
Other Names:
Atriplex dioica (Nutt.) Macbr. [not Raf.], Endolepis dioica
State Rank Reason (see State Rank above)
Few collections from Montana, mostly along the Missouri River Breaks. However, this species has weedy tendencies.
MONT collections from Valley, McCone Counties.
General Description
Monoecious annuals with mostly glabrous, fleshy, often reddish foliage. Stems erect or ascending, branched, 10–30 cm. Leaves sessile, lanceolate to narrowly ovate, 1–3 cm long with entire margins. Male flowers in short terminal spikes of glomerules, 4- to 5-parted. Female flowers solitary in leaf axils below the males; calyx 3- to 4-parted; pistillate bracts ovate, united to the tip. Mature pistillate bracts scurfy, up to 2 mm long, united to the tip (
Lesica et al. 2012. Manual of Montana Vascular Plants. BRIT Press. Fort Worth, TX).
Species Range
Montana Range
Range Descriptions
Native
Range Comments
In MT mostly occurring in the eastern counties but also in Beaverhead County; regional endemic from AB and SK south through the Dakotas through WY to northwestern CO (Lesica et al. 2012. Manual of Montana Vascular Plants. BRIT Press. Fort Worth, TX; Welsh 2003 in Fl. N. Amer. Vol. 4).
Observations in Montana Natural Heritage Program Database
Number of Observations: 160
(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
Stewardship Responsibility
Based on the Montana Natural Heritage Program's latest
predicted habitat suitability model
| Total species' range in Montana |
186,724 km2 |
(49% of Montana) |
Area predicted to have
some level of suitable habitat |
56,567 km2 |
(15% 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 |
33% |
1% |
12% |
20% |
| State |
6% |
<1% |
1% |
5% |
| Local |
<1% |
<1% |
<1% |
<1% |
| Conservation Lands/Easements |
1% |
<1% |
<1% |
1% |
| Private/Tribal/Unknown |
59% |
<1% |
10% |
49% |
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?- 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.
Seipel, T.F. 2006. Plant species diversity in the sagebrush steppe of Montana. M.Sc. Thesis. Bozeman, MT: Montana State University. 87 p.- Sieg, C. H., D. W. Uresh, and R. M. Hanson. 1983. Natural growth of Atriplex suckleyi (Torrey Rydb.) on bentonite mine spoils in southeastern Montana. pp. 53-58 in Proc. Symposium on the Biology of Atriplex and related chenopods. USDA For. Servo Gen. Tech. Rep. INT-172. 309 pp.
- Web Search Engines for Articles on "Suckley's Saltbush"
