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Volume 65—1985

{Page 67}

Additions to the Oklahoma Flora: Sphenoclea zeylanica (Campanulaceae) and Ceratophyllum echinatum (Ceratophyllaceae).

James M. Cooper

Department of Biological Sciences, Cameron University, Lawton, OK 73505

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The two species of plants reported herein represent additions to the known flora of Oklahoma.

Sphenoclea zeylanica Gaertner. McCurtain County: 1 mi S and 2 1/4 mi W of Tom, R26E, T9S, Sec. 32, abundant in a water-filled ditch along a rice field, 2 October 1983, Mickey Cooper, 521 (Cameron Univ., DUR, OKL, OKLA, SMU).

This species occurs in wet places of lowlands and flats, especially in rice fields (2) of the Gulf Coastal Plains (1).

Ceratophyllum echinatum Gray. McCurtain County: Highland Lake, 11 mi SE of Eagletown, R27E, T7S, Sec. 17, submerged aquatic in ox-bow lake, 6 October 1973, G.L. Thomson, 89 (Cameron Univ., DUR, OKL, OKLA, SMU).

Previously reported from Bowie County, Texas (2).


1.   R.K. Godfrey and J.W. Wooten, Aquatic and Wetland Plants of Southeastern United States: Dicotyledons, The University of Georgia Press, Athens, 1981.

2.   D.S. Correll and H.B. Correll, Aquatic and Wetland Plants of Southwestern United States, Vol. II, Stanford University Press, Stanford, CA, 1975.

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