Cyperus filicinus Vahl. Fern Flatsedge. Phen: Jul-Sep. Hab: Brackish marshes, other maritime habitats. Dist: ME to s. FL, west to LA; West Indies.
ID notes:Often difficult to separate from C. polystachyos and occurring in similar habitats. Detailed examination of the individual scales and achenes (see key to subgenus Pycreus) is required.
Origin/Endemic status: Native
Synonymy: = C, F, FNA23, G, Il, K1, K3, K4, NE, NY, Pa, RAB, S, Tat, Va; = Cyperus nuttallii Eddy; = Cyperus polystachyos Rottb. var. filicinus (Vahl) C.B.Clarke; < Cyperus polystachyos Rottb. – GW1, WH3
Wetland Indicator Status:
- Atlantic and Gulf Coastal Plain: OBL
- Eastern Mountains and Piedmont: OBL
- Midwest: OBL
- Northcentral & Northeast: OBL
Heliophily: 9
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© Gary P. Fleming | Original Image ⭷
© Collectors SOS | Original Image ⭷
© Collectors SOS | Original Image ⭷
© Bruce A. Sorrie | Original Image ⭷
© Radford, Ahles and Bell | Original Image ⭷Feedback
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