Muhlenbergia capillaris
Hair grass Taxonomy
Synonyms: Subspecific taxa: Classification:
Other taxonomic & nomenclature sources: USDA Plants;  ITIS;  The Plant List;  IPNI Species Distribution
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County Map Legend
Absent: Not known from county Medium confidence: Medium or unknown confidence; often old records or unverifiable observations Medium-high confidence: Often observations by expert botanists High confidence: Often vouchered herbarium records Planted / introduced: Native species introduced outside historic range, or only in planted locations within county (e.g., restorations) Historic / extirpated: Only historic records for the species; likely extirpated (Note that this category is not yet functional) North American distribution maps for this species: FLNA;  USDA Plants;  BONAP;  BISON
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Species Status
Status/Listing: No Information Notes: Origin: Native
Species Description
General: Monocot, perennial Roots: adventitious, fibrous Shoots: alternate leaf arrangment; simple leaf type; entire leaf margin; Parallel leaf venation; awl-shaped leaf shape Inflorescence: panicle Flowers: perfect; 3 merous; complete; hypogynous ovary position Fruit: grain Physiology: autotrophic Reproduction:
Ecology & Natural History
Habitat: Species is distributed on sandy woodlands, usually in open woods of deciduous or pine trees, sandstone or more commonly cherty limestone glades; openings above limestone escarpments, and along roads. ILPIN Notes: This is one of the last species to flower in Illinois. The longer scabrous lemma, the long panicle and absence of rhizomes distinguish this delicate, open-panicled grass from M. asperifolia. Also, there are very long awns on lemmas. According to Ref. 4, this is "...a handsome grass with graceful rosy-purple panicle of hairlike branches and pedicels." Species is only found in the southern counties. Species is caespitose. Species is difficult to transplant and to establish in a wild garden. Functional Relationships:
Human Relationships:
Wildlife and Livestock Information:
Coefficient of Conservatism (C-value) [?] :
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