| Plant genera (Ob - Ob) |
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| Rubiales > Rubiineae > Rubiaceae |
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| Orchidales > Orchidineae > Orchidaceae |
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| Gentiananae > Apocynales > Apocynaceae |
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| Urticanae > Urticales > Urticaceae |
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| Caryophyllanae > Caryophyllales > Chenopodiaceae |
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| Asterales > Asteraceae > Compositae |
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| Virginia pennywort |
| Gentianaceae > Obolarioideae > Obolarieae |
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| Fabales > Fabaceae > Leguminosae |
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| Caryophyllales > Cactineae > Cactaceae |
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