CK-12 Foundation
Ck 12: Episd: Plant Classification
[Free Registration/Login may be required to access all resource tools.] Understand how plants are classified and be able to identify vascular and nonvascular plants.
CK-12 Foundation
Ck 12: Episd: Classification of Plants
[Free Registration/Login may be required to access all resource tools.] Identify and understand the system used to classify plants and the difference between vascular and nonvascular plants.
Estrella Mountain Community College
Online Biology Book: Biodiversity: Nonvascular & Nonseed Vascular Plants
Photographs, informative tables, and illustrated diagrams help explain the diversity of the plant kingdom in this college-level textbook.
Biology 4 kids
Biology4 Kids: Mosses and Liverworts
Ever wonder about those plants with no stems? Learn about non vascular plants, and how they carry out life's processes.