Resumen

TEJERO-DIEZ, J. Daniel  y  TORRES-DIAZ, Alin N.. Phymatosorus grossus (Polypodiaceae) in Mexico and comments on other non-native pteridobionts. Act. Bot. Mex [online]. 2012, n.98, pp.111-124. ISSN 2448-7589.

Phymatosorus grossus (Langsd. & Fisch.) Brownlie is reported for Mexico for the first time. It is an exotic fern that presents characteristics typical of invasive species. We give a morphological description, ecological features and distribution of the species. We also include a list of other non-native clubmosses and ferns reported in the literature, as well as other species of pteridophytes that have probably arrived in Mexico recently.

Palabras llave : alien ferns; invader ferns; Mexico; Phymatosorus; weeds.

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