#asteroxilon
- Asteroxylon — A genus of primitive fossil plants (Asteroxylon) from the Lycopodiopsida class, characteristic of the Early Devonian, discovered in the famous Rhynie chert deposits (Scotland); they were ancient terrestrial plants with dichotomously branched stems covered with scale-like leaf-like outgrowths (enations) and featuring a star-shaped central cylinder (actinostele) visible in cross-section.