sporing plants

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Lab VII - The Origin of Seed Plants (title page)
... Early Devonian Euphyllophytes Psilophyton Pertica Progymnosperms Tetraxylopteris Aneurophyton Archaeopteris Early Seed Plants Lyginopteris Questions for Further Thought Read More About It! Range Chart Virtual Gallery ... to the Early Devonian to consider some of the free-sporing plants sister to the seed plants. These Devonian plants will give us insight into the morphological transformations leading ...
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Lab VII - The Origin of Seed Plants (1)
... functional, not morphological, term. Seed plants also have important morphological and life history modifications that make them distinct from most free-sporing plants (contrast with the arborescent lycopsids ... can tolerate drought, free-sporing plants are limited in distribution by the requirement of environmental water for reproduction. Not only can seed plants colonize new places on the ...
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The evolution of plants: I. Silurian and Devonian
... more hold to the plants in forming small bushes of plants of the same species, hanging more or less on each other. All plants of that period were cryptogams (plants with spores), like at ... successful formula because nowadays by far most plants are seed plants. The free-sporing plants have been pushed into the background. Click here for a more extensive description of the early land plants. Top Next
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The evolution of plants: II Carboniferous and Early Permian
... . Click on the photos to see photos of leaflets, bark and cones of these plants. More information on Sigillaria, Lepidodendron and Calamites. Furthermore many seed ferns occurred (click photo on the left). These are gymnospermous plants with fern-like leaves. They are often difficult to distinguish from the real ferns (sporing plants) because of the resemblance of the fronds. ...
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nvps journal:PRELIMINARY REPORT ON STEM AND ROOT ROT OF VIOLA AND PANSY
... and bears on its surface abundant black or greenish black sporing pustules of the fungus. The parasitism of this fungus has ... October, 1934 examined 15th March 1935 Number of plants attacked by Variety and no of plants examined Pythium sp. Corticium Solani Queen's Park ... easily infected. The soil into which Viola plants are transferred for bedding will give healthier plants if it is not over rich, ...
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