Calamostachys

Cladus: Eukaryota
Regnum: Plantae
Divisio: Pteridophyta
Classis: Equisetopsida
Ordo: Equisetales
Familia: Calamitaceae
Genus: Calamostachys
Species: C. americanus - C. binneyana - C. germanica - C. inversibractis - C. ludwigii - C. magnae-crucis - C. thuringiaca - C. tuberculata