411 REFERENCE · Wikibooks
Dichotomous Key/Pinophyta
Reference material by Wikibooks contributors. This retains its source identity and is not 411 news reporting.
1: Trees or erect or ascending shrubs, 1 meter or more high.
2: Extant (not extinct)...........................................................................Pinales
2: Produces cones or arils.....................................................................Pinales
2: Late Carboniferous, Dutch-Belgian-German Coal area; long, strap-shaped
leaves (up to 80 cm in length), parallel venation; grew in coastal environments as
swamp plants and in cool temperate forests of Angaraland.......................Cordaitales