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Vascular Plants Without Seeds (The Megaphyll Line of Evolution :…
Vascular Plants Without Seeds
Early Vascular Plants
Rhyniophytes
Zosterophyllophytes
The Term "Vascular Cryptogams"
The Microphyll Line of Evolution: Lycophytes
Heterospory
Extant genera
Lycopodium
Morphology
The Megaphyll Line of Evolution : Euphyllophytes
Monilophhytes
their roots have exarch xylem
Equisetophytes
Origin Of Megaphylls(Euphylls)
Ferns
Trimerophytes
Division Trimerophytophyta was proposed in 1968 for three genera of extinct plants, Trimerophyton, Psilophyton, and Pertica.
Molecular Studies of the the Evolution of Early Land Plants
