jack pine pollen cones
jack pine pollen cones
red pine pollen cones
red pine pollen cones closeup
pollen cone section
pollen cone section
section through cluster of staminate cones
pine microsporangia in longitudinal section
pine pollen
pine pollen grain
pine pollen germinating
pine pollen germinating closeup
very young seed cone cluster
young seed cones close to time of pollination
very young seed cone cluster
red pine cones: young and mature
fir seed cone
seed cone longitudinal section
pine ovule longitudinal section
pine ovule longitudinal section
pine ovule longitudinal section
pine ovule closeup with pollen grain at time of pollination
pine megagametophyte and eggs
pine egg closeup
cone of Coulter pine
pine seeds closeup
cycad in pot
cycad in pot
cycad pollen cone
cycad seed cone
ginkgo shoot
ginkgo shoot with pollen cones
ginkgo shoot with seed "cones"
ginkgo seed "cone" with seed
Gnetum shoot with seed "cones"
Gnetum pollen "cones" closeup

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