Illinois Natural History Survey - University of Illinois

Muhlenbergia sobolifera
Rock satin grass
Taxonomy

Synonyms: Muhlenbergia sobolifera setigera, Muhlenbergia sobolifera var. sobolifera

Subspecific taxa:

Classification:

  • Magnoliophyta

Other taxonomic & nomenclature sources: USDA PlantsITISThe Plant ListIPNI

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: FLNAUSDA PlantsBONAPBISON

Collection & Observation Phenology [?]

J
0
F
0
M
0
A
0
M
0
J
0
J
0
A
0
S
0
O
0
N
0
D
0

Collection & Observation Timeline [?]

Species Status

Status/Listing: No Information

Notes:

Origin: Native

Species Description

General: Monocot, perennial

Roots: adventitious, rhizomes

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

Ecology & Natural History

Habitat: Species is distributed on rocky slopes in woodlands, rich wooded slopes and upland wooded ridges, in limestone, but also chert and sandy areas, oak woodlands, rarely in open situations. It is more acid-loving than other species in this genus.

ILPIN Notes: F. sobolifera is occasional throughout the state. F. setigera is rare and found only in Wabash county. Species has scaly rhizomes, contracted panicle. Forma sobolifera has awnless lemmas. Forma setigera has an awn 2 (-4) mm long. Species has ovate-lanceolate glumes and glabrous internodes.

Functional Relationships:

Human Relationships:

  • Edibility [?] :
  • Showy Flowers:

Wildlife and Livestock Information:

  • Food Value:
  • Cover Value:

Coefficient of Conservatism (C-value) [?] :

  • Entire State: 5
  • Chicago Area: 10

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