Nom:		Sphenophyta
Condition:		Embranchement / Phylum
Position taxonomique:		Plantae [Royaume]
Taxons constitifs:		Sous-embranchements / Classes / Sous-classes Equisetopsida
Liens:		Electronic Plant Information Centre [Royal Botanic Gardens, Kew] Genbank Google images IMI [CABI Fungus Dried Reference Collection] International Plant Names Index New York Botanic Garden [Virtual Herbarium] USDA Plants Database [Natural Resources Conservation Service]