Revisión del género Polyachyrus (Compositae)
By: por Mario Ricardi y Eduardo Weldt.
Contributors: Weldt, Eduardo, joint author.
Series: Gayana. Botánica ;; no. 26; Gayana.; no. 26.
Publisher: Universidad de Concepción
Published: 1974
Place of publication: [Concepción, Chile]
Language: spa
Number of pages: 34
Subjects: Polyachyrus -- Classification.; Botany -- Chile -- Classification.; Botany -- Peru -- Classification.
Notes: Bibliography: p. 27-28.
Summary in Spanish, German and English.
Includes indexes.