Cyperus lupulinus (Sprengel) Marcks ssp. lupulinus

Locations ofCyperus lupulinus (Sprengel) Marcks ssp. lupulinus in Virginia

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Botanical Name
Cyperus lupulinus (Sprengel) Marcks ssp. lupulinus
Common Name
Upland Flatsedge
Flora of Virginia Name/Status
Cyperus lupulinus (Sprengel) Marcks ssp. lupulinus
Map is very incomplete at present, as only a few specimens of Cyperus lupulinus have been determined to subspecies. As used here, the name Cyperus lupulinus var. lupulinus applies to plants with a wide distribution in the midwestern and eastern U.S. However, both vars. of C. lupulinus and C. filiculmis have been lumped in most Virginia floristic studies, and the names Cyperus filiculmis and C. lupulinus have been applied interchangeably to many herbarium specimens. Until a comprehensive study of Virginia herbarium material is undertaken, the relatively distributions and frequencies of the three taxa in the state will remain uncertain.
The species occurs in dry, rocky woodlands, barrens, and outcrops on mafic, granitic, and felsic sedimentary and metasedimentary rocks; dry sandy or clay soil of fields, pastures, and clearings. Currently, the distribution and status of ssp. lupulinus are incompletely known, but it likely has a wide distribution over most of the state.
Native Status

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