Central Michigan University Herbarium
Catalog #: CMC00019469
Taxon: Carex hystericina Muhl. Ex Willd.
Family: Cyperaceae
Collector: Rachel Hackett   RH57   
Date: 2012-05-17
Locality: United States, Michigan, Lenawee, Ives Road Fen
41.9729  -83.9452
Elevation: 192 meters (630ft)
Habitat: Long and narrow, mostly emergent fen located west of the Raisin River. There are a few stand alone deciduous trees and shrubs and a few pockets of shrub-carr and decidous trees (birch, maple, sumac). Many streams present. Fen is well traveled with worn trails and several marked fence posts. Brush piles, old burn spots, and stumps mark an actively maintained fen. 8m west of southern trail, 100m to the east you can see/hear the road. Some standing water (puddles) dominated by Cyperaceae, lots of dead stalks from last year. No woody shrubs for 10m and then only one every 50m2. There are some woody stalks, 1 every 4m2, Caltha palustris in bloom.
Description: Inflorescence - terminal spike male, 2.5cm long, 4mm wide, anther brown, 2mm long, fall off easily. 2-3 female lateral spikes, all unripe, 1.75-2.5cm long, long green pointy awn on scale, two teeth on perianth, three styles.
Specimen Images
Record Id: e0541aeb-9080-4869-b717-b3f43e2d3016
Occurrence ID (GUID): e0541aeb-9080-4869-b717-b3f43e2d3016
For additional information on this occurrence, please contact: Anna Monfils, Director (
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