A new species of Pellaea sect. Pellaea is described and illustrated, Pellaea ribae Mendoza & Windham, which is clearly distinguished from other species in the genus by the abundant white trichomes present on the petiole, rachis, and abaxial surface of the leaves. Presently P. ribae is known only from two localities in San Luis Potosí, Mexico. Possible relationships of this new species to other cheilanthoid ferns are discussed.Se describe e ilustra Pellaea ribae Mendoza & Windham, una nueva especie de Pellaea sect. Pellaea la cual se distingue claramente de otros representantes del género por sus abundantes tricomas blanquecinos presentes en el pecíolo, en el raquis y en la superficie abaxial de la lámina. Hasta ahora P. ribae se con...
Th e fern genus Cheilanthes (Pteridaceae) has perplexed taxonomists for more than two centuries. Com...
ResumenSe presenta un resumen sobre la diversidad de las Pteridophyta s. lat. (Monilophyta y Lycophy...
For the state of Morelos 158 species and 15 varieties of pteridophytes, distributed in 50 genera and...
A new species of Pellaea sect. Pellaea is described and illustrated, Pellaea ribae Mendoza & Windham...
The phylogenetic position of Cheilanthes brandegeei, a fern endemic to the Baja California Peninsula...
and according to Kearney and Peebles et al. (1951), is 1 of 8 species found in Arizona. “This genus ...
The fern genus Cheilanthes (Pteridaceae) has perplexed taxonomists for more than two centuries. Comp...
The fern genus Cheilanthes (Pteridaceae) has perplexed taxonomists for more than two centuries. Comp...
Ongoing research on the taxonomically complex genus Cheilanthes (Pteridaceae; Cheilanthoideae) has r...
El objetivo de este estudio es dar conocer los helechos y grupos emparentados que habitan en la Prov...
Se describe Pteris herrerae A. Rojas & M. Palacios, endémica de Costa Rica. Esta es diferente de P. ...
We describe the life cycle of Pellaea ternifolia (Cav.) Link subsp. ternifolia. Studied material was...
In the present study are recorded a total of 18 families, 38 genera, 91 species and eight varieties ...
248 pteridophyte species and subspecific taxa are recorded for the state of Mexico, including 60 new...
248 pteridophyte species and subspecific taxa are recorded for the state of Mexico, including 60 new...
Th e fern genus Cheilanthes (Pteridaceae) has perplexed taxonomists for more than two centuries. Com...
ResumenSe presenta un resumen sobre la diversidad de las Pteridophyta s. lat. (Monilophyta y Lycophy...
For the state of Morelos 158 species and 15 varieties of pteridophytes, distributed in 50 genera and...
A new species of Pellaea sect. Pellaea is described and illustrated, Pellaea ribae Mendoza & Windham...
The phylogenetic position of Cheilanthes brandegeei, a fern endemic to the Baja California Peninsula...
and according to Kearney and Peebles et al. (1951), is 1 of 8 species found in Arizona. “This genus ...
The fern genus Cheilanthes (Pteridaceae) has perplexed taxonomists for more than two centuries. Comp...
The fern genus Cheilanthes (Pteridaceae) has perplexed taxonomists for more than two centuries. Comp...
Ongoing research on the taxonomically complex genus Cheilanthes (Pteridaceae; Cheilanthoideae) has r...
El objetivo de este estudio es dar conocer los helechos y grupos emparentados que habitan en la Prov...
Se describe Pteris herrerae A. Rojas & M. Palacios, endémica de Costa Rica. Esta es diferente de P. ...
We describe the life cycle of Pellaea ternifolia (Cav.) Link subsp. ternifolia. Studied material was...
In the present study are recorded a total of 18 families, 38 genera, 91 species and eight varieties ...
248 pteridophyte species and subspecific taxa are recorded for the state of Mexico, including 60 new...
248 pteridophyte species and subspecific taxa are recorded for the state of Mexico, including 60 new...
Th e fern genus Cheilanthes (Pteridaceae) has perplexed taxonomists for more than two centuries. Com...
ResumenSe presenta un resumen sobre la diversidad de las Pteridophyta s. lat. (Monilophyta y Lycophy...
For the state of Morelos 158 species and 15 varieties of pteridophytes, distributed in 50 genera and...