(B. ) Bitter, Bitter,, and Bitter, ?Repert. Spec. Nov. Regni Veg. 12: 445. 1913.?, 1913.

Bitter and Bitter, (B. ), ?Repert. Spec. Nov. Regni Veg. 12: 147. 1913.?, 1913.

Bitter and Bitter, (B. ), ?Repert. Spec. Nov. Regni Veg. 12: 453. 1913.?, 1913.