Selaginella rzedowskii, a new heterophyllous species from the State of Guerrero, Mexico
AbstractA new species of Selaginella (S. rzedowskii) is described from the state of Guerrero, Mexico. Taking into account this species, the number of heterophyllous selaginellae with dorsal rhizophores of the state has been increased to four. S. rzedowskii differs from the allied species by his affinity to warm and dry climate and by possessing median leaves neither auriculate nor peltate, lateral leaves imbricate on the stem and strobili with the basal half occupated by megasporangia.
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