Central Michigan University
Catalog #: CMC00019294
Taxon: Elymus trachycaulus (Link) Gould
Family: Poaceae
Collector: Rachel Hackett & Hillary Karbowski   RHHK888   
Date: 2013-07-02
Locality: United States, Michigan, Oakland, Brandt Road Fen
42.85162  -83.4694
Elevation: 290 meters (951ft)
Habitat: State-owned prairie fen (public hunting) with mostly sedge meadow zones and interspersed small marl zones. Several manmade channels and small creeks run through it. Prevelant vegetation includes Carex sterilis, Dasiphora fruticosa, Larix laricina, Pycnanthemum virginianum, Doellingeria umbellata, Eutrochium maculatum, Scheonoplectus tabernaimontanii, Rhamnus alnifolia, and Cornus. Heavy invasion of Frangula alnus. Some Toxicodendron vernix but is not dense in most areas. Evidence of recent burn with burnt logs, snags, small brush, and little dead ground vegetation in some areas. Also evidence of humans and possible ATV traffic. In central western portion of the prairie fen, 7m east of aspen grove with dense understory of Frangula alnus, 2m east of dense 1.5m tall Cornus, 25m north of Larix laricina fen. Area dominated by Carex, Asteraceae, and Thelypteris palustris with encroachment of Cornus, Salix, and Toxicodendron vernix. Ground hummock and wet with ant mounds.
Description: Inflorescence - single spike with spikelets sessile to stalk. Can reach over 20cm long. Glumes and lemmas both with long awns. Population - clumped, usually on ant mound, often with Bromus ciliatus. Many flowering in area.
Specimen Images
Record Id: 269146ec-452e-4b07-8336-e4027bc41656
Occurrence ID (GUID): 269146ec-452e-4b07-8336-e4027bc41656
For additional information on this occurrence, please contact: Anna Monfils, Director (
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