rhyniophyte
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Rhyniophyte — Rhyniophyta Le phylum des rhyniophytes est un phylum paraphylétique entièrement fossile qui comme notamment le Cooksonia, la plus ancienne plante vasculaire connue qui mesurait environ 6,5 cm de hauteur ( 420 MA, fin du Silurien). Elle fut… … Wikipédia en Français
Stele (biology) — In a vascular plant, the stele is the central part of the root or stem containing the tissues derived from the procambium. These include vascular tissue, in some cases ground tissue (pith) and a pericycle, which, if present, defines the outermost … Wikipedia
Horneophyton — taxobox fossil range=Silurian DevonianVerify source|date=January 2008 regnum = Plantae divisio = unassigned classis = Horneophytopsida genus= Horneophyton genus authority = Kidston Lang 1920 emend. Barghoorn Darrah 1938 species = H. lignieri… … Wikipedia
Junggaria — Temporal range: Late Pridoli … Wikipedia
Dutoitea — Temporal range: Early Devonian to Middle Devonian Scientific classification Kingdom: Plantae clade … Wikipedia
