Cooksonia
Cooksonia
Eukaryota | Plantae | Pteridobiotina | Tracheophyta | Cooksoniaceae | Cooksonia
COL:CS5HF | COL:P | COL:CMQ8S | COL:TP | COL:DV97S | COL:N4BPJ
(Chatton, 1925) Whittaker & Margulis, 1978 |  | Britton & Brown |  |  | W.H. Lang, 1937