About this document
Key to Psilophyta and Ginkgophyta by Levi Corral is a document available to read on EtoBox.
The document contains a dichotomous key for classifying Psilophyta and Ginkgophyta. Psilophyta lacks true roots and leaves but contains vascular elements, and includes forms such as Psilophyton and Rhynia. The key distinguishes between Tmesipteris, which has fibrous roots and fronds, and Psilotum, which lacks true roots and has branched stems with paired enations resembling small leaves. Ginkgophyta includes the single living member Ginkgo biloba, as well as extinct genera. It is characterized by fan-shaped
- Author
- Levi Corral
- Language
- EN