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Montana Field Guide

Montana Field Guides

Wilcox's Panic Grass - Dichanthelium wilcoxianum
Other Names:  Dichanthelium oligosanthes var. wilcoxianum, Panicum wilcoxianum

Status Under Review

Global Rank: G5
State Rank: S3?

Agency Status
USFWS:
USFS:
BLM:
MNPS Threat Rank:
C-value:

External Links






 
General Description
Stems 10–20 cm, usually spreading. Leaves: blades 2–5 mm wide, distinctly hairy; ligule to 1 mm long. Inflorescence an open panicle 2–5 cm long. Spikelets 2.4–3.2 mm long; glumes conspicuously hairy, first 1–1.2 mm long, second 2.5–3 mm long. Lemmas: fertile lemma blunt, spherical (Lavin in Lesica 2012. Manual of Montana Vascular Plants. BRIT Press. Fort Worth, TX).

Phenology
Mostly in early fruit by mid-June. By early July, some fruit dispersal will have occurred, and pubescence on some glumes will have diminished. Late fruit production observed in late August.

Species Range
Present
 


Range Comments
Carter and Custer counties; throughout most central states and provinces in North America (Lavin in Lesica 2012. Manual of Montana Vascular Plants. BRIT Press. Fort Worth, TX).

Observations in Montana Natural Heritage Program Database
Number of Observations: 3

(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

References
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Citation for data on this website:
Wilcox's Panic Grass — Dichanthelium wilcoxianum.  Montana Field Guide.  .  Retrieved on , from