Available keys

PDF Files	Directed-Choice Keys	Free-Choice Keys
Utah's Mosses: Illustrated keys to the genera (15 pages, 17MB; if link does not work properly, send email request) Spore-bearing vascular plants	Lycophyte & Monilophyte families Lycophyte families; Isoetes; Selaginella; Monilophytes: Dennstaedtiaceae; Dryopteridaceae; Marsileaceae; Polypodiaceae; Pteridaceae; Salviniaceae; Woodsiaceae Adiantum; Argyrochosma; Asplenium; Athyrium; Botrychium; Cheilanthes; Cryptogramma; Cystopteris; Equisetum;Marsilea; Pellaea; Polystichum; Pteris; Salvinia; Woodsia	Spore-bearing vascular plants
	Seed-bearing groups (angiosperms, cycads, gingkos, and pinopsids)	Gymnosperms, native and cultivated.
Gymnosperms	Cycadopsida (external - includes multi-access key); Pinopsida; Cupressidae Cupressaceae; Pinaceae Ephedra	Cycadopsida (external -includes directed-choice key)
Angiosperms: Major groups
Monocots (to genera so far, grasses to tribe only) Grasses (to genera)	Monocot Families; Alismataceae; Amaryllidaceae; Araceae; Asparagaceae; Bromeliaceae; Cyperaceae; grass tribes; Iridaceae; Liliaceae; Melanthiaceae; Orchidaceae; Xanthorrhoeaceae	Carex (external)
	Adoxaceae; Plantaginaceae; Scrophulariaceae