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Montana Field Guide

Montana Field Guides

Common Hardgrass - Sclerochloa dura

Exotic Species (not native to Montana)

Global Rank: GNR
State Rank: SNA

Agency Status
USFWS:
USFS:
BLM:
MNPS Threat Rank:
C-value: 1

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General Description
Cool season, annual prostrate bunchgrass. Stems ca. 10 cm, spreading. Leaves: blades flat and spreading with prow-like tips, 1–2 mm wide; sheaths with overlapping margins; ligule membranous. Inflorescence a contracted secund panicle or raceme 1–5 cm long. Spikelets 6–10 mm long, with usually 3 florets; glumes similar to lemmas. Lemmas with prominent parallel venation and a blunt tip, unawned; palea well developed. Disarticulation below glumes; unit of dispersal the spikelet (Lavin in Lesica 2012. Manual of Montana Vascular Plants. BRIT Press. Fort Worth, TX).

Range Comments
Sporadically introduced throughout most of N. America (Lavin in Lesica 2012. Manual of Montana Vascular Plants. BRIT Press. Fort Worth, TX).

Habitat
Sporadic and possibly ephemeral on disturbed soils along roadsides, parking lots, and driveways (Lavin in Lesica 2012. Manual of Montana Vascular Plants. BRIT Press. Fort Worth, TX).

References
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Citation for data on this website:
Common Hardgrass — Sclerochloa dura.  Montana Field Guide.  .  Retrieved on , from