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Wirestem Muhly - Muhlenbergia mexicana
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Not Documented Global Rank :
G5
State Rank :
SNA
(see State Rank Reason below)
C-value :
Agency Status USFWS :
USFS :
BLM :
External Links
State Rank Reason (see State Rank above)
Muhlenbergia mexicana has not been documented in Montana. A 2001 specimen was re-determined to be Muhlenbergia glomerata , which closely resemble one another. No Montana specimens have been verified (MTNHP Status Review in 2018). There is potential for it to occur in Montana. Potential specimens should be provided to and verified at one of our State Herbaria (University of Montana, Montana State University, or Montana State University-Billings). A conservation status rank is not applicable (SNA) because this plant is not known to occur in Montana.
General Description
This is adapted from A Utah flora -Second Edition (Welsh et al. 1993).PLANTS : Perennials from long, scaly rhizomes. Stems 30-100 cm tall, ascending to erect, branching from middle and above. LEAVES : Leaf sheaths mostly glabrous; blades lax, flat, 4-15 cm long, 1.5-6 mm wide, scaberulous; ligules 0.4-1.5 mm long, truncate to acute. Panicles 3-21 cm long, 2-12 mm wide, terminal and axillary, narrow, often interrupted and partially included in uppermost sheath; branches mostly erect, spikelet-bearing through-out. Callus hairs 0.2-1.5 mm long. Spikelets 2-4.4 mm long, one-flowered, pale green or purple-tinged. Glumes subequal, 2-4.4 mm long, 1-nerved, the midnerves extending into an awn 0.5-1.5 mm long; lemmas 2-3.8 mm long, 3-nerved, awned to about 6 mm long; paleas about length of lemma; anthers 0.3-0.5 mm long.
Diagnostic Characteristics
Muhlenbergia glomerata and
Muhlenbergia racemosa are similar species that are known to occur in Montana.
Potential specimens should be reported and confirmed by one of our State Herbaria :
University of Montana, Montana State University, or Montana State University-Billings
References
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