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WordNet-Online 
 Definitions from WordNet
Noun psilophytaceae has 1 sense 
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| Definitions from the WebPsilophytaceaeNoun: A family of extinct plants that belong to the early order Psilophytales and are characterized by their simple, branched stems and lack of leaves. Example sentence: The fossil record suggests that psilophytaceae played a significant role in the early evolution of land plants. Related products: | ||||
| psidium littorale psidium littorale longipes psig psilocin psilocybe psilocybin psilomelane psilophyta psilophytaceae psilophytales psilophyte psilophyton psilopsida psilosis psilotaceae psilotales psilotatae 
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