(B. ) Correll, Correll, (B. ), Correll,, and Correll, (C. ), ?Wrightia 2: 173. 1961.?, 1961.

(B. ) Correll, ?U.S. Dept. Agric., Agric. Mon. 11: 97. 1952.?, 1952.

(B. ) Correll, ?U.S. Dept. Agric., Agric. Mon. 11: 105. 1952.?, 1952.

Correll, Correll,, Correll, (B. ), and Correll, ?Wrightia 2: 170. 1961.?, 1961.