Other
Cartage.org: Nonvascular Plants and Nonseed Vascular Plants
This detailed resource focuses on tracheophytes, psilophytes pslophytes, lycophytes, equisetophytes, and ferns. Charts, drawings, and pictures supplement the text.
Estrella Mountain Community College
Estrella Mountain Community College: Tracheophytes
This resource discusses the specialized cells that plants have for transporting water and then provides a nice table and plant group information.