Quotes with genera

Quotes 1 till 2 of 2.

• I accept extinction as best explaining disjoined species. I see that the same cause must have reduced many species of great range to small, and that it may have reduced large genera to so small, and of families.

  Asa Gray
  American botanist (1810 - 1888)
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• Is it philosophical, is it quite allowable, to assume without evidence from fossil plants that the family or any of the genera was once larger and wide spread? and occupied a continuous area?

  Asa Gray
  American botanist (1810 - 1888)
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Subjects in these quotes:

• philosophical
• explaining
• continuous
• allowable
• evidence
• occupied

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