Horneophyton

from WordNet (r) 3.0 (2006)

Horneophyton
    n 1: Devonian fossil plant considered one of the earliest forms
         of vascular land plants; similar to genus Rhynia but
         smaller [syn: {Horneophyton}, {genus Horneophyton}]

from The Collaborative International Dictionary of English v.0.48

Horneophyton \Horneophyton\ n.
   A genus of Devonian fossil plants considered one of the
   earliest forms of vascular land plants; it is similar to
   genus {Rhynia} but smaller.

   Syn: genus {Horneophyton}.
        [WordNet 1.5]

[email protected]