Carex umbellata Schkuhr ex Willd.

CITY OF ALEXANDRIA HERBARIUM
PLANTS OF MARYLAND
Cyperaceae
Carex umbellata Schk. ex Willd.
Montgomery County: Plummers Island, C&O Canal National Historical
Park, ca. 0.3 km east of the American Legion Bridge; frequent in globally
rare Potomac River Bedrock Terrace Oak-Hickory Forest: Carya glabra -
Quercus (rubra, prinus) - Fraxinus americana / Viburnum rafinesquianum
/Piptochaetium avenaceum Forest (USNVC: CEGL006209) near WBFC
Plot 15 and “Cactus Rock” southwest and below the WBFC cabin.
R.H. Simmons 3680
With: Rob Soreng
3 May 2014
04038090