Author: Jan Scholten
Name: Phanerogamae, Greek for visible seeds; Spermatophyta, Greek for sperma seed and phyton, plant; Seed plants.
Spermatophyta are the Gymnospermae and Angiospermae. It is a monophyletic group.
In the Plant theory Spermatophyta is not a special group. Gymnospermae and Angiospermae are the Phyla that are treated as special groups.