| division | plants having naked seeds not enclosed in an ovary |
|---|---|
| division | algae having chlorophyll a and usually c, and flagella of unequal lengths |
| division | comprising the lichens which grow symbiotically with algae |
| division | comprising flowering plants that produce seeds enclosed in an ovary |
| division | slime molds |
| division | coextensive with class Phaeophyceae |
| division | eukaryotic one-celled living organisms distinct from multicellular plants and animals: protozoa, slime molds, and eukaryotic algae |
| division | containing all the vascular plants that do not bear seeds: ferns, horsetails, club mosses, and whisk ferns |
| division | lower plants |
| division | former term for the Cyanophyta |
| division | seed plants |
| division | in former classifications: comprising plants with a vascular system including ferns and fern allies as well as seed plants |