| Apostasioideae (Orchidaceae) |
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| map: from Pridgeon et al. 1999 |
| Cypripedioideae (Orchidaceae) |
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| map: from Hultén 1958; Pridgeon et al. 1999 |
| Epidendroideae (Orchidaceae) |
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| map: from Pridgeon et al. 2005 |
| Vanilloideae (Orchidaceae) |
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| map: from Pridgeon et al. 2003 |
| Orchidoideae (Orchidaceae) |
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| map: from Pridgeon et al. 2001, 2003; distribution in N. Asia and N. North America unclear |