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Organisms / Plantae / Phylum/Division:
Psilophyta - whisk ferns, psilopsids
· References
Known genera are listed, without clear subdivision into Class, Order and Family.
Genera |
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| Primary References at the level of this taxa | |
|---|---|
| B79 | Lynn Margulis and Karlene V Schwartz |
| Five Kingdoms - An Illustrated Guide to the Phyla of Life on Earth, 3rd Edition | |