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| Description: | For descriptions see World Flora Online |
| Notes: | |
| Derivation of specific name: | mexicana: of Mexico. |
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| Worldwide distribution: | Native to southern USA and Mexico. Widely used as an ornamental aquatic elsewhere and sometimes naturalized. |
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| Insects associated with this species: | |
| Spot characters: | Display spot characters for this species |
| Image last updated: | Monday 6 October 2025 |
| Literature: |