Bitter, ?Repert. Spec. Nov. Regni Veg. 19: 267. 1924?, 1924.

Bitter, ?Repert. Spec. Nov. Regni Veg. 20: 362. 1924?, 1924.

Bitter, ?Repert. Spec. Nov. Regni Veg. 19: 265. 1924?, 1924.

Bitter, ?Repert. Spec. Nov. Regni Veg. 20: 371. 1924?, 1924.

Bitter, ?Repert. Spec. Nov. Regni Veg. 20: 366. 1924?, 1924.

Bitter, ?Repert. Spec. Nov. Regni Veg. 20: 365. 1924?, 1924.

Bitter, ?Repert. Spec. Nov. Regni Veg. 20: 364. 1924?, 1924.

Bitter, ?Repert. Spec. Nov. Regni Veg. 20: 368. 1924?, 1924.

Bitter, ?Repert. Spec. Nov. Regni Veg. 20: 372. 1924?, 1924.

Bitter, ?Repert. Spec. Nov. Regni Veg. 20: 377. 1924?, 1924.