Western Plants Project
Keying Plants Exercise
Plant Families of Arid Western North America Part I (‘monocots’ & Super Rosids)
Plant Families of Arid Western North America Part I (Super Asterids) Key Characteristics; Allium
Key Characteristics; Carex
Key Characteristics; Juncus
Poaceae Taxononmy & Phylogenetics
Key Characteristics; Eriogonum
Key Characteristics; Gilia
Key Characteristics; Cryptantha, Pectocarya, Plagiobothrys
Key Characteristics; Penstemon
Key Characteristics; Castilleja
Asteraceae Morphology
Asteraceae of the West a Phylogenetic Approach
Perennial Endemic North American Apioids