Families
- Aceraceae
- Apiaceae
- Apocynaceae
- Asclepiadaceae
- Asteraceae
- Betulaceae
- Blechnaceae
- Boraginaceae
- Brassicaceae
- Cactaceae
- Caprifoliaceae
- Caryophyllaceae
- Chenopodiaceae
- Convolvulaceae
- Cornaceae
- Crassulaceae
- Cupressaceae
- Cyperaceae
- Dennstaedtiaceae
- Ephedraceae
- Equisetaceae
- Ericaceae
- Fabaceae
- Fagaceae
- Gentianaceae
- Grossulariaceae
- Hydrophyllaceae
- Iridaceae
- Lamiaceae
- Liliaceae
- Linaceae
- Loasaceae
- Malvaceae
- Oleaceae
- Onagraceae
- Orchidaceae
- Orobanchaceae
- Papavaraceae
- Philadelphaceae
- Pinaceae
- Plantaginaceae
- Poaceae
- Polemoniaceae
- Polygonaceae
- Portulacaceae
- Primulaceae
- Pteridaceae
- Ranunculaceae
- Rhamnaceae
- Rosaceae
- Rubiaceae
- Salicaceae
- Saxifragaceae
- Scrophulariaceae
- Sterculiaceae
- Urticaceae
- Violaceae
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Pictures of Gentianaceae
- Gentiana newberryi
- Picture 1
- Picture 2
- Gentianella amarella ssp. acuta
- Gentianopsis holopetala
- Picture 1
- Picture 2
- Picture 3
- Picture 4
- Picture 5
- Picture 6
- Swertia perennis
- Picture 1
- Picture 2
- Swertia radiata
- Picture 1
- Picture 2
- Picture 3
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