This section is from the book "An Introduction To Geology", by William B. Scott. Also available from Amazon: An Introduction to Geology.
Flowerless Plants. I. THALLOPHYTA. Class 1. Algae, Seaweeds, etc.
2. Fungi, Mushrooms, etc. II. BRYOPHYTA, Mosses.
III. PTERIDOPHYTA. Class 1. Filicales, Ferns.
2. Equisetales, Horsetails.
3. Lycopodiales, Club Mosses.
4. *Sphenophyllales.
5. *Cycadofilices.
Flowering Plants.
IV. GYMNOSPERMAe.
Order 1. Cycadales.
Sub-Order 1. Cycadacece.
2. Zamiece.
3. *Bennettiteae Order 2. *Cordaiteae.
3. Gingkoacece, Maiden-hair Tree.
4. Coniferce, Pines, Spruces, etc. V. ANGIOSPERMAe.
Class 1. Monocotyledones, Palms, Grasses, Lilies, etc. 2. Dicotyledones, Oaks, Rones, Crucifers, etc.
 
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