Kingdom Plantae

Division # of species Description
Rhodophyta ~4,000 Red algae. No flagellated cells; most marine, some freshwater, a few terrestrial. E.g., Irish moss, nori.
Phaeophyta ~1,500 Brown algae. All multicellular, some very large; almost all marine. E.g., Fucus, giant kelps.
Chlorophyta ~7,000 Green algae. Chlorophylls a and b, store starch; unicellular to multicellular; mostly freshwater, many marine, some terrestrial. E.g., Spirogyra, Ulothrix, Ulva.
Bryophyta ~23,000 Mosses, liverworts, hornworts.
Lycophyta ~1,200 Club mosses, ground pine.
Sphenophyta ~40 Horsetails.
Pterophyta ~12,000 Ferns.
Cycadophyta ~100 Cycads.
Gnetophyta ~70 Gnetum, Ephedra, Welwitschia.
Coniferophyta ~550 Conifers.
Ginkgophyta 1 Ginkgo biloba (the Ginkgo tree of eastern China, with fan-shaped leaves and yellow fruit)
Anthophyta ~275,000 Flowering plants.

Life on Earth
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