Pertica

Pertica is a genus of extinct vascular plants of the Early to Middle Devonian (around 420 to 380 million years ago). It has been placed in the "trimerophytes", a strongly paraphyletic group of early members of the lineage leading to modern ferns and seed plants.

Pertica

Pertica is a genus of extinct vascular plants of the Early to Middle Devonian (around 420 to 380 million years ago). It has been placed in the "trimerophytes", a strongly paraphyletic group of early members of the lineage leading to modern ferns and seed plants.