Re: Underground fertilisation was Pteris nativity

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• Subject: Re: [ferns] Underground fertilisation was Pteris nativity
• From: "Louis Chinnery" l*@caribnet.net
• Date: Sun, 16 Feb 2003 10:13:44 -0400

Chemical attraction. Chemicals released by the female structure diffuse into
the soil producing a concentration gradient that the sperm swims up.

Louis Chinnery
lec@caribnet.net

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• References:
  • Pteris nativity
    • From: "R*"

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