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| Kingdom Plantae |
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Asclepias hypoleuca (A. Gray) Woodson – accepted – mahogany milkweed, talayote
|
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Gonolobus arizonicus (A. Gray) Woodson – accepted – Arizona milkvine
|
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Matelea cordifolia (A. Gray) Woodson – accepted – Sonoran milkvine
|
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Matelea pringlei (A. Gray) Woodson – accepted – Pringle's milkvine
|
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Matelea shortii (A. Gray) Woodson – not accepted
|
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Sarcostemma torreyi (A. Gray) Woodson – not accepted – soft twinevine |
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