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Montana Field Guide

Montana Field Guides

Great Plains Stickseed - Lappula cenchrusoides

Status Under Review
Undetermined Origin

Global Rank: G4
State Rank: SU
(see State Rank Reason below)

Agency Status
MNPS Threat Rank:

External Links

State Rank Reason (see State Rank above)
Reported for five eastern MT counties by Atlas of the Flora of the Great Plains (1977) but no vouchers seen by Lesica (2012) for MT at MONT or MONTU. However, recent collections from Park County, WY, are reported on the Rocky Mountain Herbarium website.
General Description
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Diagnostic Characteristics
The two rows of bristles (sometimes 3) on the nutlets are similar to L. squarrosa, but the latter has a longer corolla (2-3 mm) and shorter nutlets (3-4 mm long). Lappula occidentalis (often reported as L. redowskii) only has one row of bristles on the nutlets.

Species Range

Range Comments
Known (2012) in ND and SD west of the MO River, nealy all of WY, and northeast UT (Rocky Mountain Herbarium website).

Observations in Montana Natural Heritage Program Database
Number of Observations: 33

(Click on the following maps and charts to see full sized version) Map Help and Descriptions
Relative Density



(Observations spanning multiple months or years are excluded from time charts)

Dry soils in open areas (Fl. of the Great Plains, 1986).

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Citation for data on this website:
Great Plains Stickseed — Lappula cenchrusoides.  Montana Field Guide.  .  Retrieved on , from