Utley 1978b (Dissertation) Guzmania, Vriesea A revision of the Costa Rican thecophylloid Vrieseas (Bromeliaceae) Author(s):—J.F. Utley Publication:—Duke University, Durham North Carolina USA (1978).
Author(s):—J.F. Utley Publication:—Duke University, Durham North Carolina USA (1978).
Author(s):—J.F. Utley
Publication:—Duke University, Durham North Carolina USA (1978).
Utley 1978b (Dissertation) Guzmania, Vriesea