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Seed Plants 1: Seed Plants Without Flowers ("Gymnosperms") -…
Seed Plants 1: Seed Plants Without Flowers ("Gymnosperms")
Division Pteridospermophyta: Seed Ferns
seed ferns
Division Progymnospermophyta: Progymnosperms
aneurophytales
archaeopteridales
progymnosperms
evolution of seeds
micropyle
integument
Division Gnetophyta
anthophytes
Division Coniferophyta: Conifers
short shoots
simple cones
long shoots
compound cones
cone bracts
ovuliferous scale
proembryo
suspensor
Division Ginkgophyta: Maidenhair Tree
Concepts
gymnosperms
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angiosperms
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spermatophytes
lignophytes
Division Cycadeoidophyta: Cycadeoids
Division Cycadophyta: Cycads
