Pe. Rothrock et Aa. Reznicek, A NEW SPECIES OF CAREX SECTION OVALES (CYPERACEAE) OCCURRING IN THE OZARK-MOUNTAIN REGION, Brittonia, 48(1), 1996, pp. 104-110
Carex ozarkana, a new species from Arkansas, Oklahoma, and extreme nor
theasternmost Texas is described and illustrated. It is a distinctive
regional endemic of mineral soil wetlands most similar to the widespre
ad Carex albolutescens and C. longii but differing in its elongate, no
dding inflorescences (on robust plants), prominently clavate spikes wi
th elongate staminate bases, reddish brown pistillate and staminate sc
ales, and wider achenes with a long apiculum.