Column Values Back to table listings Constrained values for columnn "higher_plant_group" Values Definition Algae Bacteria bryophytes Liverworts, hornworts and mosses ferns and allies Ferns and lycophytes flowering plants Angiosperms Fungi gymnosperms (conifers) Subclass Pinidae (Pinaceae, Araucariaceae, Podocarpaceae, Sciadopityaceae, Cupressaceae, Taxaceae). gymnosperms (non-conifer) Subclasses Cycadidae (Cycadales), Ginkgoidae (Ginkgo), and Gnetidae (Welwitschia, Gnetum, Ephedra). NULL Any taxon that does not fal into one of the above higher taxa.