Ramón Riba
Universidad Autónoma Metropolitana
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Publication
Featured researches published by Ramón Riba.
American Fern Journal | 2001
Blanca Pérez-García; Aniceto Mendoza; Ramón Riba; Luis Diego Gómez-Pignataro
Abstract The development and morphology of the sexual phase of Pseudocolysis bradeorum (Polypodiaceae) are described from material collected in Finca La Selva, near Puerto Viejo, Province of Heredia, Costa Rica. Spores were sown in Thompson medium with agar (25 Petri dishes) and germinated after seven days; the germination pattern was Gleichenia-type and the prothallial development Drynaria-type. Gametangia were typical of homosporous leptosporangiate ferns. Sporophytes appeared after seven months of culture. The sexual phase of this species shares many morphological characteristics with Old and New World species of Polypodiaceae. There is a tendency for vegetative propagation with Pseudocolysis gametophytes.
Biotropica | 1982
Blanca Pérez-García; Ramón Riba
Revista De Biologia Tropical | 1999
Blanca Pérez-García; Aniceto Mendoza; Irma Reyes Jaramillo; Ramón Riba
Acta Botanica Mexicana | 1996
Ramón Riba; Leticia Pacheco; Arturo Valdés; Yolotzin Sandoval
American Journal of Botany | 1994
Blanca Pérez-García; Alma Orozco-Segovia; Ramón Riba
Revista De Biologia Tropical | 2001
Blanca Pérez-García; Ancieto Mendoza; Irma Reyes Jaramillo; Ramón Riba
Revista De Biologia Tropical | 1999
Aniceto Mendoza; Blanca Pérez-García; Ramón Riba
Revista De Biologia Tropical | 1998
Blanca Pérez-García; Ramón Riba; Aniceto Mendoza; Irma Reyes J.
American Fern Journal | 1997
David B. Lellinger; Robbin C. Moran; Ramón Riba
Boletin De La Sociedad Botanica De Mexico | 1982
Blanca Pérez García; A Orozco-segovia; Ramón Riba
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