system | Vitae - living organisms |
domain | Eukaryota Whittaker & Margulis, 1978 - lifeforms with nucletic cells |
superregnum | Bikonta - bikonts |
Corticata | |
Archaeplastida | |
kingdom | Plantae Haeckel - plants |
divisio | Monilophyta Cantino et Donoghue - horsetails |
class | Polypodiopsida Cronquist, Takht. & Zimmerm. |
order | Polypodiales Link |
family | Athyriaceae Alston |
genus | Athyrium Roth - ladyfern |