Common Name:
PANIC GRASS
Synonym:
Panicum commutatum
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Coefficient of Conservatism:
9
Coefficient of Wetness:
0
Wetness Index:
FAC
Physiognomy:
Nt P-Grass
R. Schipper
Panicum commutatum of Michigan Flora.
Sandy open or somewhat forested ground, apparently not common; all recent records are from SW Michigan
Our few collections are almost all the somewhat more northern subsp. ashei (G. Pearson ex Ashe) Freckmann & Lelong, which differs most obviously in having narrower leaves mostly 7−15 mm wide and 6−15 times as long as wide. A single collection, by W. S. Martinus in 2016, from Berrien Co., is the typical subsp. commutatum with the widest leaf blades 13−23 mm wide, and only 4−6 times as long as wide.