Monographs Details: Selaginella landii
Authority: Mickel, John T. & Beitel, Joseph M. 1988. Pteridophyte Flora of Oaxaca, Mexico. Mem. New York Bot. Gard. 46: 1-580.
Family:Selaginellaceae
Scientific Name:Selaginella landii
Description:Species Description - Stems prostrate, rooting throughout, branches ca. 5 mm apart, not articulate, not flagelliform, not stoloniferous; isophyllous, strongly dorsiventral, underleaves longer; leaves spreading and bright green above, appressed and buff below, linear-lanceolate, apex acuminate on upper leaves, underleaves short-aristate, leaf bases pubescent, margin short-ciliate; strobili ca. 4-6 mm long, quadrangular; sporophylls monomorphic, green, ascending, ovate-lanceolate, ciliate-denticulate, aristate; megasporangia in two rows; megaspores yellow-orange, 340-380 µm diam., rugose; microspores orange, granulose, some in tetrads.

Discussion:Type. Mexico. Jalisco: San Est├ęban Mts., 32 km from Guadalajara, Barnes & Land 2024 (MO, frag. US!; isotype GH). This species is related to S. wrightii, which has non-aristate underleaves in short, tufted lateral branches and acuminate sporophylls.
Distribution:Mexico North America|