Psilotales

(redirected from Psilotophyta)
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Related to Psilotophyta: Psilopsida, Psilophyta
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Noun 1. Psilotales - lower vascular plants having dichotomously branched sporophyte divided into aerial shoot and rhizome and lacking true roots
plant order - the order of plants
class Psilopsida, class Psilotatae, Psilopsida, Psilotatae - whisk ferns; comprising the family Psilotaceae or Psilotatae: vascular plants with no roots, partial if any leaf differentiation, and rudimentary spore sacs
family Psilotaceae, Psilotaceae - small family of lower ferns having nearly naked stems and minute scalelike leaves
Based on WordNet 3.0, Farlex clipart collection. © 2003-2012 Princeton University, Farlex Inc.
References in periodicals archive ?
de TAXON FV TV colecta PSILOTOPHYTA PSILOTOPSIDA PSILOTACEAE (I/I) * Psilotum Hr BQ 1918 complanatum (A) LYCOPODIOPHYTA LYCOPODIOPSIDA LYCOPODIACEAE (1/1) Lycopodium clavatum L.
Division Clases Familias Generos Especies Psilotophyta Psilotopsida 1 1 1 Lycopodiophyta Lycopodiopsida 2 2 4 Filicophyta Filicopsida 8 25 42 Pinophyta Pinopsida 1 1 2 Magnoliophyta Magnoliopsida 103 334 561 Liliopsida 12 60 106 Total 6 127 423 716 Cuadro 2.