| Symbol | Scientific name | Common name/Accepted name (for synonyms) | Family |
| MICAC4 | Mirabilis californica Gray var. cordifolia (Dunkle) Dunkle | California four o'clock | Nyctaginaceae
|
| MICA6 | Mirabilis californica Gray | California four o'clock | Nyctaginaceae
|
| MICA4 | Mirabilis carletonii (Standl.) Standl. | Mirabilis glabra | Nyctaginaceae
|
| MICI | Mirabilis ciliata (Standl.) Shinners | Mirabilis glabra | Nyctaginaceae
|
| MICO6 | Mirabilis coahuilensis (Standl.) Standl. | Mirabilis albida | Nyctaginaceae
|
| MICO7 | Mirabilis coccinea (Torr.) Benth. & Hook. f. | scarlet four o'clock | Nyctaginaceae
|
| MICO3 | Mirabilis collina Shinners | Mirabilis nyctaginea | Nyctaginaceae
|
| MICO15 | Mirabilis comata (Small) Standl. | hairy-tuft four o'clock | Nyctaginaceae
|
| MICO13 | Mirabilis corymbosa Cav. | Mirabilis glabrifolia | Nyctaginaceae
|
| MIDE5 | Mirabilis decipiens (Standl.) Standl. | broadleaf four o'clock | Nyctaginaceae
|
| MIDE6 | Mirabilis decumbens (Nutt.) Daniels | Mirabilis linearis | Nyctaginaceae
|
| MIDI5 | Mirabilis diffusa (Heller) C.F. Reed | Mirabilis linearis | Nyctaginaceae
|
| MIDU2 | Mirabilis dumetorum Shinners | Mirabilis albida | Nyctaginaceae
|
| MIEN2 | Mirabilis entricha Shinners | Mirabilis albida | Nyctaginaceae
|
| MIEX2 | Mirabilis exaltata (Standl.) Standl. | Mirabilis glabra | Nyctaginaceae
|
| MIEX3 | Mirabilis expansa (Ruiz & Pavon) Standley | mauka | Nyctaginaceae
|
| MIFRG | Mirabilis froebelii (Behr) Greene var. glabrata (Standl.) Jepson | Mirabilis multiflora var. pubescens | Nyctaginaceae
|
| MIFR5 | Mirabilis froebelii (Behr) Greene | Mirabilis multiflora var. pubescens | Nyctaginaceae
|
| MIGA2 | Mirabilis gausapoides (Standl.) Standl. | Mirabilis linearis | Nyctaginaceae
|
| MIGI | Mirabilis gigantea (Standl.) Shinners | giant four o'clock | Nyctaginaceae
|
| MIGL3 | Mirabilis glabra (S. Wats.) Standl. | smooth four o'clock | Nyctaginaceae
|
| MIGL4 | Mirabilis glabrifolia (Ortega) I.M. Johnston | flat-top four o'clock | Nyctaginaceae
|
| MIGL10 | Mirabilis glandulosa (Standl.) W.A. Weber | Mirabilis multiflora var. glandulosa | Nyctaginaceae
|
| MIGR5 | Mirabilis grayana (Standl.) Standl. | Mirabilis albida | Nyctaginaceae
|
| MIGR6 | Mirabilis greenei S. Wats. | Greene's four o'clock | Nyctaginaceae
|
| MIHIL | Mirabilis hirsuta (Pursh) MacM. var. linearis (Pursh) Boivin | Mirabilis linearis | Nyctaginaceae
|
| MIHI | Mirabilis hirsuta (Pursh) MacM. | hairy four o'clock | Nyctaginaceae
|
| MIJAL | Mirabilis jalapa L. ssp. lindheimeri Standl. | Mirabilis jalapa | Nyctaginaceae
|
| MIJA | Mirabilis jalapa L. | marvel of Peru | Nyctaginaceae
|
| MILAC2 | Mirabilis laevis (Benth.) Curran var. cedrosensis (Standl.) Munz | Mirabilis californica var. cedrosensis | Nyctaginaceae
|
| MILAC3 | Mirabilis laevis (Benth.) Curran var. cordifolia Dunkle | Mirabilis californica var. cordifolia | Nyctaginaceae
|
| MILA6 | Mirabilis laevis (Benth.) Curran | Mirabilis californica var. californica | Nyctaginaceae
|
| MILA7 | Mirabilis lanceolata (Rydb.) Standl. | Mirabilis linearis | Nyctaginaceae
|
| MILI2 | Mirabilis lindheimeri (Standl.) Shinners | Mirabilis jalapa | Nyctaginaceae
|
| MILID | Mirabilis linearis (Pursh) Heimerl var. decipiens (Standl.) Welsh | Mirabilis decipiens | Nyctaginaceae
|
| MILIS | Mirabilis linearis (Pursh) Heimerl var. subhispida Heimerl | Mirabilis linearis | Nyctaginaceae
|
| MILI3 | Mirabilis linearis (Pursh) Heimerl | narrowleaf four o'clock | Nyctaginaceae
|
| MILOW | Mirabilis longiflora L. var. wrightiana (Gray ex Britt. & Kearney) Kearney & Peebles | sweet four o'clock | Nyctaginaceae
|
| MILO2 | Mirabilis longiflora L. | sweet four o'clock | Nyctaginaceae
|
| MIMA2 | Mirabilis macfarlanei Constance & Rollins | MacFarlane's four o'clock | Nyctaginaceae
|
| MIMUG | Mirabilis multiflora (Torr.) Gray var. glandulosa (Standl.) J.F. Macbr. | Colorado four o'clock | Nyctaginaceae
|
| MIMUM | Mirabilis multiflora (Torr.) Gray var. multiflora | Colorado four o'clock | Nyctaginaceae
|
| MIMUP | Mirabilis multiflora (Torr.) Gray var. pubescens S. Wats. | Colorado four o'clock | Nyctaginaceae
|
| MIMU | Mirabilis multiflora (Torr.) Gray | Colorado four o'clock | Nyctaginaceae
|
| MINY | Mirabilis nyctaginea (Michx.) MacM. | heartleaf four o'clock | Nyctaginaceae
|
| MIOB | Mirabilis oblongifolia (Gray) Heimerl | Mirabilis albida | Nyctaginaceae
|
| MIOX | Mirabilis oxybaphoides (Gray) Gray | smooth spreading four o'clock | Nyctaginaceae
|
| MIPA5 | Mirabilis pauciflora (Buckl.) Standl. | Mirabilis albida | Nyctaginaceae
|
| MIPO7 | Mirabilis polyphylla (Standl.) Standl. | mayleaf four o'clock | Nyctaginaceae
|
| MIPS | Mirabilis pseudaggregata Heimerl | Mirabilis albida | Nyctaginaceae
|
| MIPUP3 | Mirabilis pudica Barneby var. pubescens Kartesz & Gandhi | bashful four o'clock | Nyctaginaceae
|
| MIPUP4 | Mirabilis pudica Barneby var. pudica | bashful four o'clock | Nyctaginaceae
|
| MIPU5 | Mirabilis pudica Barneby | bashful four o'clock | Nyctaginaceae
|
| MIPU6 | Mirabilis pumila (Standl.) Standl. | dwarf four o'clock | Nyctaginaceae
|
| MIRE3 | Mirabilis retrorsa Heller | Mirabilis bigelovii var. retrorsa | Nyctaginaceae
|
| MIRO | Mirabilis rotata (Standl.) I.M. Johnston | Mirabilis albida | Nyctaginaceae
|
| MIRO2 | Mirabilis rotundifolia (Greene) Standl. | roundleaf four o'clock | Nyctaginaceae
|
| MITE | Mirabilis tenuiloba S. Wats. | longlobe four o'clock | Nyctaginaceae
|
| MITE13 | Mirabilis texensis (Coult.) B.L. Turner | Texas four o'clock | Nyctaginaceae
|
| MIWR | Mirabilis wrightiana Gray ex Britt. & Kearney | Mirabilis longiflora var. wrightiana | Nyctaginaceae
|
| MIRAB | Mirabilis L. | four o'clock | Nyctaginaceae
|
| MIDI7 | Mirasolia diversifolia Hemsl. | Tithonia diversifolia | Asteraceae
|
| MIAT3 | Miriquidica atrofulva (Sommerf.) A. J. Schwab & Rambold | | Lecanoraceae
|
| MIDE14 | Miriquidica deusta (Stenham.) Hertel & Rambold | | Lecanoraceae
|
| MIGA3 | Miriquidica garovaglii (Schaerer) Hertel & Rambold | | Lecanoraceae
|
| MIGR12 | Miriquidica griseoatra (Flotow) Hertel & Rambold | | Lecanoraceae
|
| MIIN9 | Miriquidica instrata (Nyl.) Hertel & Rambold | | Lecanoraceae
|
| MIIN10 | Miriquidica intrudens (H. Magn.) Hertel & Rambold | | Lecanoraceae
|
| MILE9 | Miriquidica leucophaea (Florke ex Rabenh.) Hertel & Rambold | | Lecanoraceae
|
| MILU4 | Miriquidica lulensis (Hellbom) Hertel & Rambold | | Lecanoraceae
|
| MIPL4 | Miriquidica plumbeoatra (Vainio) A. J. Schwab & Rambold | | Lecanoraceae
|
| MIPU17 | Miriquidica pulvinata (Arnold) Hertel & Rambold | | Lecanoraceae
|
| MIRIQ | Miriquidica Hertel & Rambold | miriquidica | Lecanoraceae
|
| MITR6 | Misanteca triandra (Sw.) Mez | Licaria triandra | Lauraceae
|
| MICA16 | Miscanthus capensis Anderss. in Oefvers. | silvergrass | Poaceae
|
| MIFL3 | Miscanthus floridulus (Labill.) Warb. ex K. Schum. & Laut. | Pacific Island silvergrass | Poaceae
|
| MIOL | Miscanthus oligostachys Steph. | Small Japanese Silver grass | Poaceae
|
| MISA | Miscanthus sacchariflorus (Maxim.) Franch. | Amur silvergrass | Poaceae
|
| MISIC | Miscanthus sinensis Anderson ssp. condensatus (Hackel) T. Koyama | Purple Japanese Silver grass | Poaceae
|
| MISIG | Miscanthus sinensis Anderss. var. gracillimus A.S. Hitchc. | Miscanthus sinensis | Poaceae
|
| MISIP | Miscanthus sinensis Anderson var. purpurascens (Anderss.) Tzvel. | silvergrass | Poaceae
|
| MISIV | Miscanthus sinensis Anderss. var. variegatus Beal | Miscanthus sinensis | Poaceae
|
| MISIZ | Miscanthus sinensis Anderss. var. zebrinus Beal | Miscanthus sinensis | Poaceae
|
| MISI | Miscanthus sinensis Anderss. | Chinese silvergrass | Poaceae
|
| MITR9 | Miscanthus transmorrisonensis Hayata | silvergrass | Poaceae
|
| MISCA | Miscanthus Anderss. | silvergrass | Poaceae
|
| MIOR | Misopates orontium (L.) Raf. | linearleaf snapdragon | Scrophulariaceae
|
| MISOP | Misopates Raf. | misopates | Scrophulariaceae
|
| MIRE | Mitchella repens L. | partridgeberry | Rubiaceae
|
| MITCH | Mitchella L. | mitchella | Rubiaceae
|
| MIBR6 | Mitella breweri Gray | Brewer's miterwort | Saxifragaceae
|
| MICA5 | Mitella caulescens Nutt. | slightstemmed miterwort | Saxifragaceae
|
| MIDI3 | Mitella diphylla L. | twoleaf miterwort | Saxifragaceae
|
| MIDI4 | Mitella diversifolia Greene | angleleaf miterwort | Saxifragaceae
|
| MIIN2 | Mitella �intermedia Bruhin ex Small & Rydb. (pro sp.) | | Saxifragaceae
|
| MINU3 | Mitella nuda L. | naked miterwort | Saxifragaceae
|
| MIOP | Mitella oppositifolia Rydb. | Mitella diphylla | Saxifragaceae
|
| MIOV | Mitella ovalis Greene | coastal miterwort | Saxifragaceae
|
| MIPE | Mitella pentandra Hook. | fivestamen miterwort | Saxifragaceae
|
| MIPR2 | Mitella prostrata Michx. | creeping bishop's cap | Saxifragaceae
|
| MISTS2 | Mitella stauropetala Piper var. stauropetala | smallflower miterwort | Saxifragaceae
|