Seeds Prohibited Entry into the U.S. - M
| Botanical Name | Authority |
|---|---|
| Maburea spp. | Parasitic |
| Macbridea alba | ESA-T |
| Maclurochloa spp. | NAPPRA |
| Maclurodendron spp. | NAPPRA |
| Macranthera spp. | Parasitic |
| Macrosolen spp. | Parasitic |
| Macrostylis spp. | Treatment |
| Macrosyringion spp. | Parasitic |
| Maesa walkeri | ESA-T |
| Magdalenaea spp. | Parasitic |
| Mahoberberis spp. | NAPPRA |
| Mahonia spp. (also as Berberis spp.) | NAPPRA |
| Malacothamnus fasciculatus v. nesioticus | ESA-E |
| Malacothrix indecora | ESA-E |
| Malacothrix squalida | ESA-E |
| Malania spp. | Parasitic |
| Mammillaria pectinifera | CITES |
| Mammillaria solisioides | CITES |
| Mangifera spp. | NAPPRA |
| Manihot walkerae | ESA-E |
| Mannagettaea spp. | Parasitic |
| Mariscus (syn: Cyperus) fauriei | ESA-E |
| Mariscus (syn: Cyperus) pennatiformis | ESA-E |
| Marshallia mohriee | ESA-T |
| Marsilea villosa | ESA-E |
| Matudacalamus spp. | Poa. |
| Medicago arabica | FSA-A |
| Medicago lupulina | FSA-A |
| Medicago orbicularis | FSA-A |
| Medicago polymorpha | FSA-A |
| Medicago sativa (incl. ssp. sativa) | FSA-A |
| Medicago trunculata | FSA-A |
| Medicosma spp. | Treatment |
| Megastigma spp. | Treatment |
| Megathyrsus maximus | NAPPRA |
| Melaleuca quinquenervia | NW |
| Melampyrum spp. | NW |
| Melanthera tenuifolia | ESA-E |
| Melanthera kamolensis | ESA-E |
| Melasma spp. | Parasitic |
| Melastoma malabathricum | NW |
| Melantha spp. | Parasitic |
| Melicope spp. | Treatment |
| Melicope ascendens | ESA-E |
| Melicope balloui | ESA-E |
| Melicope christophersenii | ESA-E |
| Mellicope cornuta var. cornuta; also var decurrens | ESA-E |
| Melicope degeneri | ESA-E |
| Melicope haupuensis | ESA-E |
| Melicope hiiakae | ESA-E |
| Melicope knudsenii | ESA-E |
| Melicope lydgatei | ESA-E |
| Melicope makahae | ESA-E |
| Melicope mucronulata | ESA-E |
| Melicope munroi | ESA-E |
| Melicope ovalis | ESA-E |
| Melicope pallida | ESA-E |
| Melicope paniculata | ESA-E |
| Melicope puberula | ESA-E |
| Melicope quadrangularis | ESA-E |
| Melicope reflexa | ESA-E |
| Melicope remyi | ESA-E |
| Melicope rostrata | ESA-E |
| Melicope saint-johnii | ESA-E |
| Melicope zahlbruckneri | ESA-E |
| Melientha spp. | Parasitic |
| Melilotus albus | FSA-A |
| Melilotus indicus | FSA-A |
| Melilotus officinalis | FSA-A |
| Melinus minutiflora | FSA-A |
| Melocactus conoideus | CITES |
| Melocactus deinacanthus | CITES |
| Melocactus glaucescens | CITES |
| Melocactus paucispinus | CITES |
| Melocalamus spp. | NAPPRA |
| Melocanna spp. | NAPPRA |
| Mentzelia leucophylla | ESA-T |
| Merope spp | Treatment |
| Merostachys spp. | NAPPRA |
| Merrillia spp. | Treatment |
| Metrodorea spp. | Treatment |
| Mexipedium xerophyticum | CITES |
| Mezoneuron (= Caesalpinia) kavaiense | ESA-E |
| Micrargeria spp. | Parasitic |
| Micrargeriella spp. | Parasitic |
| xMicrocirus (= Microcitrus x Poncirus) spp. | NAPPRA |
| xMicrocitronella spp. | NAPPRA |
| xMicrocitrus spp. | NAPPRA |
| Microcybe spp. | Treatment |
| Microcycas calocoma | CITES |
| xMicrofortunella spp. | NAPPRA |
| Microlepia stigosa var. mauiensis | ESA-E |
| Micromelum spp. | Treatment |
| Mida spp. | Parasitic |
| Mikania cordata | NW |
| Mikania micrantha | NW |
| Mimosa diplotricha | NW |
| Mimosa invisa | NW |
| Mimosa pigra | NW |
| Mimulus michiganensis | ESA-E |
| Minquartic spp. | Parasitic |
| Minuartia (Phoxinus) cumberlandensis | ESA-T |
| Mirabilis macfarlanei | ESA-T |
| Miscanthus spp. | NAPPRA |
| Misodendron spp. | Parasitic |
| Mitracarpus maxwelliae | ESA-E |
| Mitracarpus polycladus | ESA-T |
| Mitrastemon spp. | Parasitic |
|
Mitrocereus (= Pachycereus) militaris Mitrocitrus spp. |
CITES NAPPRA |
|
Mollugo pentaphylla Monadenium spp.: See: Euphorbia |
NAPPRA
|
| Monanthrocitrus spp | Treatment |
| Monardella viminea | ESA-E |
| Monnieria spp. | Rut. |
| Monochasma spp. | Parasitic |
| Monochoria hastata | NW |
| Monochoria vaginalis | NW |
| Monolopia (= Lembertia) congdonii | ESA-E |
| Monotropa spp. | Parasitic |
| Monotropsis spp. | Parasitic |
| Monsonia herrei (from S. Africa) | CITES |
| Monsonia multifida (from S. Africa) | CITES |
| Monsonia patersonii (from S. Africa) | CITES |
| Moquiniella spp. | Parasitic |
| Moraea collina | NW |
| Moraea flaccida | NW |
| Moraea miniata | NW |
| Moraea ochroleuca | NW |
| Moraea pallida | NW |
| Mucuna pruriens | FSA-A |
| Mucuna sloanei var. persericea | ESA-E |
| Muellerina spp. | Parasitic |
| Muiriantha spp. | Treatment |
| Mullerochloa spp. | NAPPRA |
| Munroidendron racemosum | ESA-T |
| Murraya spp. | NAPPRA |
| Myoporum tenuifolium | NAPPRA |
| Myoschilos spp. | Parasitic |
| Myrcia paganii | ESA-E |
| Myriocladus spp. | NAPPRA |
| Myrsine fosbergii | ESA-E |
| Myrsine juddii | ESA-E |
| Myrsine knudsenii | ESA-E |
| Myrsine linearifolia | ESA-T |
| Myrsine mezii | ESA-E |
| Myrsine vaccinioides | ESA-E |
| Myrtopsis spp. | Treatment |
| Mysochilos spp. | Parasitic |
| Mystropetalon spp. | Parasitic |
| Myzodendron spp. | Parasitic |
| Myzorrhiza spp. | NW |