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Plant Diversity I Lab

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  1. Plant Diversity I Lab Biology 113

  2. Nonvascular Plants (bryophytes) (exercise 1)

  3. Lab study A: Bryophyta…Mosses • Observe living examples of mosses. • View prepared slides of Mnium archegonia and antheridia. • Study poster. • Examine demonstration specimens of mosses (under stereoscope) • Know the life cycle of mosses.

  4. Moss (Polytrichum sp.)

  5. Antheridia Moss (Mniumsp.)

  6. Archegonia Moss (Mniumsp.)

  7. Lab study B: Hepatophyta…Liverworts • Observe live and preserved liverworts • Observe Gemma Cups under the scope

  8. Seedless Vascular Plants (exercise 2)

  9. Lab Study A: Lycophyta • Observe live/preserved Selaginella and Lycopodium. • Club moss (Lycopodium sp.) • Resurrection plant demo • Observe prepared slide of Strobilus of Selaginella

  10. Lycopodium Strobili of Lycopodium

  11. Selaginella Spikemoss

  12. Strobilus of Selaginella

  13. Resurrection plant

  14. Lab study B: Pterophyta… ferns, horsetails, whisk ferns • Observe live/preserved Equisetum (horsetail) Strobili at top of horsetails

  15. Lab study C: Fern Life Cycle • Observe live/preserved ferns (see “pressed” samples) • Know the fern life cycle • View prepared slide of fern gametophyte also observe live gametophyte (prothallium) • Study poster

  16. Fern gametophyte (prothallium)

  17. Fern sori

  18. Lab study D: Fossils • Read section in lab manual, but you won’t be held responsible for identification of fossil seedless vascular plants.