Bitter, ?Repert. Spec. Nov. Regni Veg. 16: 401. 1920.?, 1920.

Rusby, ?Descr. S. Amer. Pl. 112. 1920.?, 1920.

Bitter, ?Repert. Spec. Nov. Regni Veg. 16: 389. 1920.?, 1920.

Bitter, ?Repert. Spec. Nov. Regni Veg. 16: 397. 1920.?, 1920.

B. & Moritz, ?Repert. Spec. Nov. Regni Veg. 16: 391. 1920.?, 1920.

S.Moore, ?J. Bot. 58: 78. 1920.?, 1920.

Hutch., ?Ann. Bolus Herb. 3: 8. 1920.?, 1920.

Bitter, ?Repert. Spec. Nov. Regni Veg. 16: 394. 1920.?, 1920.

Rusby and Rusby, ?Descr. S. Amer. Pl. 113. 1920.?, 1920.

A.Chev., ?Expl. Bot. Afrique Occ. Franç. 1: 464. 1920.?, 1920.

B. & Wilson, ?Mem. Torrey Bot. Club 16: 101. 1920.?, 1920.

Brandegee, ?Univ. Calif. Publ. Bot. 7: 331. 1920.?, 1920.

Bitter, ?Repert. Spec. Nov. Regni Veg. 16: 403. 1920.?, 1920.

A.Chev., ?Expl. Bot. Afrique Occ. Franç. 1: 463. 1920.?, 1920.

Rusby and ex Bitter, R., ?Abh. Naturwiss. Vereine Bremen 24: 439. 1920.?, 1920.

Bitter, ?Repert. Spec. Nov. Regni Veg. 16: 390. 1920.?, 1920.

Bitter, ?Repert. Spec. Nov. Regni Veg. 16: 404. 1920.?, 1920.

Bitter, Bitter,, Bitter,, and Bitter, ?Repert. Spec. Nov. Regni Veg. 16: 406. 1920.?, 1920.

Bitter, ?Repert. Spec. Nov. Regni Veg. 16: 395. 1920.?, 1920.

A.Chev., ?Expl. Bot. Afrique Occ. Franç. 1: 472. 1920.?, 1920.

Rusby and Rusby, ?Descr. S. Amer. Pl. 115. 1920.?, 1920.

Bitter, ?Repert. Spec. Nov. Regni Veg. 16: 402. 1920.?, 1920.

A.Chev., ?Expl. Bot. Afrique Occ. Franç. 1: 461. 1920.?, 1920.

Bitter, ?Repert. Spec. Nov. Regni Veg. 16: 398. 1920.?, 1920.

Bitter, ?Repert. Spec. Nov. Regni Veg. 16: 400. 1920.?, 1920.

Bitter, ?Repert. Spec. Nov. Regni Veg. 16: 408. 1920.?, 1920.

Cheeseman, ?Trans. Roy. Soc. N. Z. 52: 9-16. 1920.?, 1920.

Bitter, ?Repert. Spec. Nov. Regni Veg. 16: 396. 1920.?, 1920.

B. & Moritz, ?Repert. Spec. Nov. Regni Veg. 16: 393. 1920.?, 1920.

D.  ex Bitter, ?Bot. Jahrb. Syst. 57(1): 16. 1920.?, 1920.

Rusby and Rusby, ?Descr. S. Amer. Pl. 114. 1920.?, 1920.

A.Chev., ?Expl. Bot. Afrique Occ. Franç. 460. 1920.?, 1920.

 and , ?Natuurk. Tijschr. Ned. Indie 80(1): 24, 28. 1920.?, 1920.

Britton, ?Mem. Torrey Bot. Club 16: 100. 1920?, 1920.

Rusby and Rusby, ?Descr. S. Amer. Pl. 118. 1920?, 1920.

Bitter, ?Abh. Naturwiss. Vereins Bremen 24: 435. 1920?, 1920.

Bitter, ?Abh. Naturwiss. Vereins Bremen 24: 327. 1920?, 1920.

Bitter, ?Abh. Naturwiss. Vereins Bremen 24: 440. 1920?, 1920.

(D. ) Bitter, Bitter,, Bitter,, and Bitter, ?Bot. Jahrb. Syst. 57: 17. 1920.?, 1920.

Rusby and Rusby, ?Descr. S. Amer. Pl. 116. 1920.?, 1920.

P.Wilson, P.Wilson, B. &, P.Wilson,, and P.Wilson, B. &, ?Mem. Torrey Bot. Club 16: 101. 1920?, 1920.

Rusby, ?Descr. S. Amer. Pl. 120. 1920?, 1920.

Rusby and Rusby, ?Descr. S. Amer. Pl. 119. 1920?, 1920.

Bitter, ?Abh. Naturwiss. Vereins Bremen 24: 520. 1920?, 1920.

B. & P.Wilson, P.Wilson, B. &, P.Wilson, B. &, P.Wilson, B. &, P.Wilson, B. &, and P.Wilson, B. &, ?Mem. Torrey Bot. Club 16: 102. 1920?, 1920.

Rusby, Rusby,, Rusby,, Rusby,, Rusby,, and Rusby, ?Descr. S. Amer. Pl. 117. 1920?, 1920.