familyPoaceae
subfamilyPoaceae subfam. Pooideae
genusElymus
speciesElymus glaucus
subspeciesElymus glaucus subsp. mackenziei
Difference between revisions of "Elymus glaucus subsp. mackenziei"
Treatment appears in FNA Volume 24. Treatment on page 308.
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Revision as of 19:15, 24 September 2019
Sheaths usually puberulent; blades 3-8 mm wide, densely short-pilose, with scattered longer hairs. Glume awns 3-8 mm; lemma awns 20-30 mm.
Discussion
Elymus glaucus subsp. mackenziei grows on limestone clifftops, rocky ledges, and glades, in open woods and thickets. It is known only from Arkansas, Missouri, and Oklahoma, at scattered sites in the Ozark Mountains and at Rich Mountain in the Ouachita Mountains. This subspecies is remarkably disjunct, at least 500 miles from the nearest known E. glaucus to the west and north.
Selected References
None.
Lower Taxa
None.
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