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The World of Plant Classification

The World of Plant Classification

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The World of Plant Classification

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  1. The World of Plant Classification An Unusual Angiosperm

  2. Table 29.1 Ten Phyla of Extant Plants

  3. Figure 29.1 Some highlights of plant evolution

  4. Figure 29.6 Alternation of generations: a generalized scheme

  5. Figure 30.1 Three variations on gametophyte/sporophyte relationships

  6. Figure 29.15 Bryophytes

  7. Figure 29.15x1 Hornwort

  8. Figure 29.15x2 Quillwort

  9. Figure 29.9 Gametangia: Archegonium of Marchantia (left), Anteridium of a hornwort (right)

  10. Figure 29.16 The life cycle of Polytrichum, a moss (Layer 1)

  11. Figure 29.16 The life cycle of Polytrichum, a moss (Layer 2)

  12. Figure 29.16 The life cycle of Polytrichum, a moss (Layer 3)

  13. Figure 29.16x Moss life cycle

  14. Figure 29.x1 Polytrichum moss leaf section

  15. Figure 29.18 A moss sporangium with a “spore-shaker” tip

  16. Figure 29.19 Sphagnum, or peat moss: Peat bog in Oneida County, Wisconsin (top), closeup of Sphagnum (bottom left), Sphagnum "leaf" (bottom right)

  17. Figure 29.19x A peat moss bog in Norway

  18. Figure 29.0 Ferns

  19. Figure 29.11 Xylem and phloem in the stem of Polypodium, a fern (a pteridophyte)

  20. Figure 29.21 Pteridophytes: club "moss" (top left), whisk fern (top right), horsetail (bottom left), fern (bottom right)

  21. Figure 29.21x1 Lycophyte

  22. Figure 29.21x2 Horsetail

  23. Figure 29.23 The life cycle of a fern

  24. Figure 29.23x1 Life cycle of a fern: mature fern

  25. Figure 29.23x2 Life cycle of a fern: sorus

  26. Figure 29.23x3 Life cycle of a fern: sporangium

  27. Figure 29.23x4 Life cycle of a fern: mature sporangium

  28. Figure 29.23x5 Life cycle of a fern: germinating

  29. Figure 29.23x6 Life cycle of a fern: gametophyte

  30. Figure 29.23x7 Life cycle of a fern: archegonia

  31. Figure 29.23x8 Life cycle of a fern: sporophytes

  32. Figure 29.24a Fern sporophyll, a leaf specialized for spore production

  33. Figure 29.24b Fern sporophyll, a leaf specialized for spore production

  34. Figure 29.24c Fern sporophyll, a leaf specialized for spore production

  35. Figure 29.25 Artist’s conception of a Carboniferous forest based on fossil evidence

  36. Figure 30.4 Hypothetical phylogeny of the seed plants

  37. Figure 30.0 Seed fossil

  38. Figure 30.3 Winged seed of a White Pine (Pinus strobus)

  39. Figure 30.5a Phylum Ginkgophyta: Ginkgo biloba

  40. Figure 30.5c Phylum Ginkgophyta: Ginkgo biloba

  41. Figure 30.5x1 Ginkgo: Male (left), female (right)

  42. Figure 30.5x2 Ginkgo sperm

  43. Figure 30.6 Phylum Cycadophyta: cycads

  44. Figure 30.7a Phylum Gnetophyta: Welwitschia

  45. Figure 30.7b Phylum Gnetophyta: Gnetum

  46. Figure 30.7c Phylum Gnetophyta: Ephedra