With Douglas Drenkow

Introduction

The Diversity of

The World of Life

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The Diversity of The World of Life

Eukaryotes (Domain Eukaryota)

Green Plants

(Viridaeplantae)

Representatives

Green Algae (Traditional Chlorophyta)

     Primitive Green Algae (Chlorophyceae, Trebouxiophyceae,

     Ulvophyceae, etc.)

     Green Algae More Closely Related to Land Plants (Charales &

     Coleochaetales)

Land Plants (Embryophyta)

     Liverworts (Hepaticophyta, or Marchantiomorpha)

     Hornworts (Anthocerotophyta)

     Mosses (Bryophyta)

     Club Mosses & (Extinct) Scale Trees (Lycopsida)

     Horsetails & (Extinct) Coal Age Forest Trees (Sphenopsida, or

     Equisetopsida)

     Ferns etc. (Filicopsida)

          Whisk "Ferns" (Psilotum) etc. (Psilophyta)

          True Ferns (Pterophyta)

     Seed Plants (Spermatopsida)

          "Seed Ferns" etc. (Lyginopteridaceae etc.)

          Cycads (Cycadophyta, or Cycadales)

          Conifers (Pinophyta, or Coniferales)

          Ginkgos (Ginkgophyta, or Ginkgoales)

          Gnetum, Ephedra, & Welwitschia (Gnetophyta, or Gnetales)

          Flowering Plants (Anthophyta, Magnoliophyta, or

          Angiospermae)

Eukaryotes (Domain Eukaryota)

Doug@DouglasDrenkow.com

(c) 2004 D.D.  All Rights Reserved.

Photo of Cells:  H.D.A. Lindquist, US EPA