| Plant subtribes (Me - Me) | 
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| Indian cucumber |  | Liliineae > Medeolaceae > Medeoleae |  | 
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| holdtight, medinilla |  | Myrtales > Melastomataceae > Medinilleae |  | 
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|  |  | Rutanae > Rutales > Meliaceae |  | 
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| cajeput, melaleuca, punktree |  | Myrtineae > Myrtaceae > Melaleuceae |  | 
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| blackfoot, blackfoot daisy |  | Asteraceae > Melampodioideae > Melampodieae |  | 
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| cowwheat |  | Lamiales > Orobanchaceae > Melampyreae |  | 
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|  |  | Juncanae > Cyperales > Cyperaceae |  | 
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| melastoma, melastome |  | Melastomataceae > Melastomatoideae > Melastomeae |  | 
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| California melic, melicgrass, oniongrass |  | Poales > Poaceae > Meliceae |  | 
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|  |  | Violanae > Violales > Violaceae |  | 
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| balm, lemon mint |  | Lamiaceae > Melissoideae > Melisseae |  | 
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|  |  | Lamiineae > Lamiaceae > Melittideae |  | 
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|  |  | Juncanae > Poales > Poaceae |  | 
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| bretonica peluda, bretonica prieta, chocolateweed, melochia, pyramidflower |  | Malvales > Malvineae > Sterculiaceae |  | 
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|  |  | Apocynales > Apocynaceae > Melodineae |  | 
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| Guadeloupe cucumber, melothria |  | Cucurbitineae > Cucurbitaceae > Melothrieae |  | 
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|  |  | Aspleniales > Thelypteridaceae > Meniscieae |  | 
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| moonseed |  | Menispermaceae > Menispermoideae > Menispermeae |  | 
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| apple-mint, corn-mint, gingermint, horsemint, mint, orange-mint, pennyroyal, peppermint, spearmint, watermint |  | Lamiaceae > Menthoideae > Mentheae |  | 
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|  |  | Campanulineae > Campanulaceae > Merciereae |  | 
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|  |  | Lamiineae > Lamiaceae > Meriandreae |  | 
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|  |  | Myrtales > Melastomataceae > Merianieae |  | 
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| medlar, mespilus |  | Rosales > Rosineae > Rosaceae |  | 
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|  |  | Gentiananae > Apocynales > Apocynaceae |  | 
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| Kauai bottlebrush, lehua, lehua papa |  | Myrtales > Myrtineae > Myrtaceae |  | 
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| Caroline ivory nutpalm, metroxylon, sago palm |  | Arecales > Arecaceae > Metroxyleae |  | 
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|  |  | Solanineae > Solanaceae > Metternichieae |  |