Carex aquatilis Wahlenb. var. substricta Kukenth.

Locations ofCarex aquatilis Wahlenb. var. substricta Kukenth. in Virginia

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Detail

Family
Cyperaceae
Botanical Name
Carex aquatilis Wahlenb. var. substricta Kukenth.
Common Name
Aquatic Sedge
Synonym(s)
Flora of Virginia Name/Status
Carex aquatilis Wahlenb. var. substricta Kukenth.
Comments
Carex aquatilis var. substricta was discovered new to the Virginia flora during a review of herbarium specimens; see Castanea 63:83-84 (1998). It is a northern species with isolated disjunctions in West Virginia, Virginia, and North Carolina. These southern populations differ from northern ones in that they often display drooping lower pistillate spikes and have stomata on both the upper and lower leaf surfaces.
Habitat
This species co-dominates a peaty one-acre, ridge-crest mountain depression pond at 3200 ft elev., with Dulichium arundinaceum, Vaccinium macrocarpon, Juncus canadensis, and a few other plants. Rare; known from a single site (Green Pond) at Big Levels, on the summit of the Northern Blue Ridge in Augusta County. It is a long-range northern disjunct at this site, well isolated from its principal range to the north.
Native Status
Native

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