Maackia amurensis (4)
Maagnolia laevifolia (1)
Maba intricata (1)
Mabea fistulifera (10)
Mabea piriri (14)
Macadamia integrifolia (22)
Macadamia tetraphylla (1)
Macaranga mappa (3)
Macaranga tanarius (4)
Macfadyena unguis-cati (8)
Machaeranthera canescens var. canescens (9)
Machaeranthera pinnatifida ssp. goodingii (1)
Machaeranthera tagetina (15)
Machaeranthera tanacetifolia (25)
Machaeranthera villosa (2)
Machairophyllum bijlii (2)
Macleania benthamiana (2)
Macleaya cordata (4)
Maclura pomifera (36)
Macrocystis and laminaria (1)
Macrocystis pyrifera (41)
Macrocystis sp. (1)
Macrophylla californica (5)
Macroptilium atropurpureum (12)
Macroptilium gibbosifolium (13)
Macroptilium lathyroides (1)
Macroptillium gibbosifolium (1)
Macrosystis pyrifera (1)
Macrothelypteris polypodioides (22)
Macrothelypteris torresiana (22)
Macrozamia communis (7)
Macrozamia douglasii (3)
Macrozamia fraseri (1)
Macrozamia miquelii (1)
Macrozamia moorei (2)
Macrozamia riedlei (4)
Madia anomala (3)
Madia chilensis (5)
Madia citrigracilis (5)
Madia citriodora (13)
Madia elegans (238)
Madia exigua (59)
Madia glomerata (49)
Madia gracilis (111)
Madia radiata (27)
Madia sativa (107)
Madia sp. (6)
Madia subspicata (5)
Maerua angolensis (19)
Maerua cafra (1)
Maerua subcordata (3)
Maesa hupehensis (2)
Maesa lanceolata (5)
Magnolia acuminata (1)
Magnolia acuminata x magnolia denudata (1)
Magnolia campbellii (8)
Magnolia champaca (3)
Magnolia chevalieri (6)
Magnolia cylindrica (2)
Magnolia dawsoniana (1)
Magnolia dealbata (5)
Magnolia delavayi (16)
Magnolia denudata (13)
Magnolia doltsopa (9)
Magnolia figo (2)
Magnolia figo var. crassipes (3)
Magnolia grandiflora (52)
Magnolia guatemalensis (3)
Magnolia hodgsonii (3)
Magnolia hogsonii (2)
Magnolia insignis (2)
Magnolia kobus (7)
Magnolia laevifolia (6)
Magnolia liliiflora (4)
Magnolia loebneri (1)
Magnolia maudiae (1)
Magnolia obovata (3)
Magnolia salicifolia (1)
Magnolia sargentiana (1)
Magnolia sharpii (6)
Magnolia sieboldii (3)
Magnolia soulangeana (7)
Magnolia sp. (39)
Magnolia stellata (21)
Magnolia tamaulipana (3)
Magnolia tripetala (7)
Magnolia virginiana (3)
Magnolia x brooklynensis (1)
Magnolia x loebneri (9)
Magnolia X soulangeana (30)
Magnolia x veitchii (2)
Magnolia x wieseneri (4)
Magydaris panacifolia (3)
Mahonia bealei (2)
Mahonia dictyota (2)
Mahonia eurybracteata (5)
Mahonia fremontii (1)
Mahonia haematocarpa (2)
Mahonia lomarifolia (2)
Mahonia lomariifolia (2)
Mahonia nervosa (1)
Mahonia pinnata (1)
Mahonia piperiana (1)
Mahonia pumila (1)
Mahonia repens (2)
Mahonia sp. (2)
Mahonia trifoliata (1)
Maianthemum bifolium (8)
Maianthemum canadense (23)
Maianthemum dilatatum (80)
Maianthemum racemosum (22)
Maianthemum racemosum ssp. amplexicaule (152)
Maianthemum racemosum ssp. racemosum (14)
Maianthemum sp. (3)
Maianthemum stellatum (157)
Maianthemum trifolium (6)
Maida gracilis (3)
Maihuenia patagonica (12)
Maihuenia poeppigii (6)
Maihueniopsis clavarioides (2)
Maihueniopsis ovata (2)
Maihuenopsis boliviana (5)
Maihuenopsis glomerata (5)
Maihuenopsis ovata (3)
Maireana sedifolia (2)
Majidea zanguebarica (10)
Malachra urens (1)
Malacomeles denticulata (6)
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Malacothamnus abbottii (119)
Malacothamnus aboriginum (106)
Malacothamnus arcuatus var. arcuatus (102)
Malacothamnus arcuatus var. elmeri (117)
Malacothamnus astrotentaculatus (86)
Malacothamnus clementinus (45)
Malacothamnus davidsonii (73)
Malacothamnus densiflorus var. densiflorus (150)
Malacothamnus densiflorus var. viscidus (61)
Malacothamnus densiflorus-fasciculatus-intermediate (12)
Malacothamnus discombobulatus (41)
Malacothamnus eastwoodiae (84)
Malacothamnus eastwoodiae-nuttallii-intermediate (10)
Malacothamnus enigmaticus (64)
Malacothamnus fasciculatus var. catalinensis (85)
Malacothamnus fasciculatus var. fasciculatus (103)
Malacothamnus fasciculatus var. laxiflorus (87)
Malacothamnus fasciculatus var. nesioticus (63)
Malacothamnus foliosus (39)
Malacothamnus fremontii var. exfibulosus (130)
Malacothamnus fremontii var. fremontii (179)
Malacothamnus involucratus (100)
Malacothamnus jonesii (4)
Malacothamnus jonesii var. gracilis (76)
Malacothamnus jonesii var. jonesii (52)
Malacothamnus jonesii var. niveus (118)
Malacothamnus lucianus (94)
Malacothamnus marrubioides (73)
Malacothamnus mendocinensis (46)
Malacothamnus nuttallii (65)
Malacothamnus orbiculatus (207)
Malacothamnus palmeri (65)
Malacothix saxatilis (1)
Malacothrix californica (69)
Malacothrix californicus (1)
Malacothrix clevelandii (20)
Malacothrix coulteri (106)
Malacothrix fendleri (6)
Malacothrix floccifera (105)
Malacothrix foliosa ssp. foliosa (5)
Malacothrix foliosa ssp. polycephala (3)
Malacothrix glabrata (210)
Malacothrix incana (65)
Malacothrix indecora (3)
Malacothrix phaeocarpa (4)
Malacothrix saxatilis (19)
Malacothrix saxatilis var. arachnoidea (5)
Malacothrix saxatilis var. commutata (10)
Malacothrix saxatilis var. implicata (22)
Malacothrix saxatilis var. saxatilis (12)
Malacothrix saxatilis var. tenuifolia (49)
Malacothrix sonchoides (26)
Malacothrix sp. (1)
Malacothrix stebbinsii (18)
Malacothrix torreyi (8)
Malanea revolutifolia Amaya & Popovkin, sp. nov. (14)
Malaxis monophyllos (20)
Malaxis monophyllos var. brachypoda (13)
Malaxis unifolia (21)
Malcolmia maritima (3)
Malephora crassa (1)
Malephora crocea (22)
Malephora crocea var. purpuro-crocea (1)
Malephora sp. (2)
Malephora thunbergii (1)
Malesherbia linearifolia (2)
Malope malacoides (1)
Malope trifida (2)
Malosma laurin (1)
Malosma laurina (54)
Malperia tenuis (54)
Malpighia mexicana (1)
Malus arnoldiana (2)
Malus baccata (7)
Malus domestica (38)
Malus floribunda (15)
Malus fusca (27)
Malus halliana (5)
Malus hupehensis (2)
Malus kansuensis (1)
Malus mandshurica (4)
Malus pumila (14)
Malus sieboldii (4)
Malus sikkimensis (8)
Malus sp. (45)
Malus sutyzam (9)
Malus sylvestris (5)
Malus toringo (9)
Malus toringoides (5)
Malus transitoria (3)
Malus x purpurea (2)
Malus x scheideckeri (1)
Malus x zumii (1)
Malus yunnanensis (2)
Malva alcea (8)
Malva arborea (41)
Malva assurgentiflora (67)
Malva hispanica (1)
Malva moschata (7)
Malva multiflora (66)
Malva neglecta (63)
Malva nicaeensis (46)
Malva pacifica (3)
Malva pariflora (1)
Malva parviflora (68)
Malva setigera (5)
Malva sp. (7)
Malva subovata ssp. subovata (6)
Malva sylvestris (30)
Malva thuringiaca (3)
Malva trimestris (31)
Malva verticillata (2)
Malvastrum coromandelianum ssp. coromandelianum (2)
Malvastrum sp. (2)
Malvaviscus arboreus (19)
Malvaviscus arboreus var. drummondii (2)
Malvaviscus penduliflorus (1)
Malvella lepidota (3)
Malvella leprosa (78)
Malvella sagittifolia (7)
Mamillaria tezontle (1)
Mammilaria barbata (2)
Mammilaria bocensis (1)
Mammilaria grahamii (3)
Mammilaria lindsayi (1)
Mammilaria marksiana (3)
Mammilaria sp. (2)
Mammilaria viridiflora (1)
Mammillaria albicans ssp. albicans (4)
Mammillaria albicoma (3)
Mammillaria albiflora (3)
Mammillaria albilanata (2)
Mammillaria aureilanata (1)
Mammillaria backenbergiana (1)
Mammillaria baumii (3)
Mammillaria bertholdii (9)
Mammillaria bocasana (14)
Mammillaria bocasana var. multilanata (2)
Mammillaria bombycina (7)
Mammillaria brandegeei (7)
Mammillaria camptptricha (2)
Mammillaria candida (4)
Mammillaria carmenae (1)
Mammillaria carmenae var. rubrispina (1)
Mammillaria carnea (5)
Mammillaria coahuilensis (3)
Mammillaria compressa (7)
Mammillaria crinita (10)
Mammillaria crucigera (1)
Mammillaria crucigera var. crucigera (1)
Mammillaria decipiens (1)
Mammillaria dioica (196)
Mammillaria duwei (5)
Mammillaria elongata (14)
Mammillaria fittkaui (1)
Mammillaria geminiflora var. nobilis (2)
Mammillaria geminispina (9)
Mammillaria glassii (3)
Mammillaria grahamii var. grahamii (5)
Mammillaria grusonii (3)
Mammillaria haageana (3)
Mammillaria hahniana (3)
Mammillaria hernandezii (2)
Mammillaria herrerae (3)
Mammillaria heyderi (1)
Mammillaria heyderi ssp. heyderi (11)
Mammillaria heyderi var. gumifera (1)
Mammillaria heyderi var. heyderi (9)
Mammillaria huitzilopochtli (5)
Mammillaria humboldtii (5)
Mammillaria johnstonii (1)
Mammillaria lasiacantha (17)
Mammillaria laui (1)
Mammillaria laui var. subducta (1)
Mammillaria lenta (5)
Mammillaria longiflora (11)
Mammillaria longimamma (2)
Mammillaria luethyi (12)
Mammillaria magnifica (2)
Mammillaria magnimamma (6)
Mammillaria magnimamma var. krameri (1)
Mammillaria matudae (2)
Mammillaria meiacantha (5)
Mammillaria melanocentra (1)
Mammillaria melanocentra ssp. rubrograndis (2)
Mammillaria meyranii (2)
Mammillaria microcarpa (12)
Mammillaria microhelia (1)
Mammillaria muehlenpfordtii (1)
Mammillaria mystax (7)
Mammillaria nivosa (1)
Mammillaria orcuttii (1)
Mammillaria painteri (2)
Mammillaria parkinsonii (4)
Mammillaria pectinifera (4)
Mammillaria pectinifera ssp. pectinifera (4)
Mammillaria perbella (4)
Mammillaria petrophila (6)
Mammillaria petterssonii (1)
Mammillaria picta (2)
Mammillaria pilcayensis (1)
Mammillaria plumosa (8)
Mammillaria polythele (2)
Mammillaria pottsii (16)
Mammillaria pringlei (1)
Mammillaria prolifera (2)
Mammillaria rekoi ssp. leptacantha (1)
Mammillaria rhodantha (3)
Mammillaria rhodantha var. mccartenii (2)
Mammillaria saboae var. haudeana (2)
Mammillaria sanchez-mejoradae (3)
Mammillaria sanchez-mejoradae ssp. breviplumosa (9)
Mammillaria sandleyi (4)
Mammillaria schiedeana (1)
Mammillaria schieldeana (1)
Mammillaria schieleana (1)
Mammillaria sempervivi (1)
Mammillaria senilis (30)
Mammillaria sp. (5)
Mammillaria sphaerica (4)
Mammillaria spinosissima (13)
Mammillaria standleyi (22)
Mammillaria supertexta (1)
Mammillaria tetrancista (4)
Mammillaria tetrancistra (92)
Mammillaria vetula (3)
Mammillaria winteriae (2)
Mammillaria zeilmanniana (3)
Mammillaria zelmanniana (1)
Mandevilla boliviensis (2)
Mandevilla foliosa (6)
Mandevilla macrosiphon (16)
Mandevilla moricandiana (14)
Mandevilla parryi (1)
Mandevilla pentlandiana (1)
Mandevilla sp. (12)
Mandevilla splendens (4)
Mandevilla x amabilis (1)
Mandragora autumnalis (9)
Mandragora officinarum (5)
Mandragora turcomanica (1)
Manettia luteo-rubra (2)
Manfreda singulifolia (3)
Manfreda x agave (1)
Mangave sp. (26)
Mangave [manfreda X agave] (3)
Mangifera indica (23)
Manihot esculenta (15)
Manihot esculenta 'Variegata' (1)
Manihot walkerae (1)
Manikara bella (1)
Manilkara concolor (1)
Manilkara dardanoi (20)
Manilkara hexandra (1)
Manilkara jaimiqui (3)
Manilkara longifolia (18)
Manilkara zapota (3)
Mansoa alliacea (1)
Mantisalca duriaei (2)
Mantisalca salmantica (1)
Manulea altissima (1)
Manulea florifera (1)
Manulea tomentosa (3)
Manuleopsis dinteri (2)
Marah fabacea (206)
Marah fabacea va. agrestis (4)
Marah gilensis (8)
Marah horrida (43)
Marah macrocarpa (129)
Marah macrocarpus (2)
Marah macrocarpus var. macrocarpus (1)
Marah macrocarpus var. major (4)
Marah oregana (126)
Marah oreganus (9)
Marah sp. (2)
Marah spp (1)
Marah watsonii (28)
Maranta amagris (1)
Maranta furcata (22)
Maranta leuconeura (3)
Marattia douglasii (14)
Marchantia debilis or M. pappeana (1)
Marchantia polymorpha (171)
Marchantia sp. (7)
Marina calycosa (8)
Marina maritima (13)
Marina orcuttii (2)
Marina orcuttii var. orcuttii (19)
Marina parryi (67)
Marina peninsularis (6)
Mariosousa heterophylla (21)
Mariosousa sericea (1)
Markhamia lutea (4)
Marojejya darianii (1)
Marrubium alysson (9)
Marrubium incanum (7)
Marrubium rotundifolia (2)
Marrubium supinum (11)
Marrubium vulgare (116)
Marselia mollis (1)
Marshallia caespitosa (4)
Marshallia caespitosa var. caespitosa (4)
Marshallia graminifolia (6)
Marsilea drummondii (2)
Marsilea mutica (3)
Marsilea oligospora (5)
Marsilea sp. (2)
Marsilea vestita (18)
Marsilea vestita ssp. vestita (32)
Marsupella bolanderi (3)
Marsupella emarginata var. aquatica (1)
Marsupella emerginata var. aquatica (8)
Martensia fragilis (25)
Martynia annua (10)
Mascagnia macroptera (3)
Masdevallia amabilis (2)
Masdevallia ampullacea (1)
Masdevallia barlaeana (1)
Masdevallia campyloglossa (1)
Masdevallia coccinea (1)
Masdevallia coccinea var. xanthina 'crestwood' am/aos (1)
Masdevallia decumana (1)
Masdevallia hirtzii (2)
Masdevallia kimballiana (2)
Masdevallia mendozae (2)
Masdevallia pteroglossa (1)
Masdevallia sanchezii (1)
Masdevallia stenorhynchos (1)
Masdevallia veitchiana (1)
Massonia angustifolia (1)
Massonia depressa (8)
Massonia hirsuta (3)

Massonia pustulata (2)
Mastocarpus jardinii (1)
Mastocarpus papillatus (5)
Mastophora pacifica (3)
Matelea greenmanii (6)
Matelea lesueuri (4)
Matelea orthosioides (7)
Matelea parvifolia (30)
Matelea pringlei (8)
Matelea tristiflora (2)
Matourea azurea (1)
Matricaria chamomilla (43)
Matricaria discoidea (70)
Matricaria matricarioides (10)
Matricaria occidentalis (30)
Matthiola incana (19)
Matthiola maderensis (2)
Matthiola sinuata (2)
Matthiola tricuspidata (8)
Matucana aureiflora (3)
Matucana madisoniorum (8)
Matucana matanzanus (1)
Matucana pujupatii (1)
Matudaea trinervia (1)
Maurandella antirrhiniflora (26)
Maurandya barclayiana (5)
Maurandya scandens (4)
Mauranthemum paludosum (10)
Mauritia flexuosa (2)
Mauritiella armata (3)
Maxillaria aggregata (1)
Maxillaria calantha (2)
Maxillaria egertoniana (2)
Maxillaria ferdinandiana (1)
Maxillaria fletcheriana (3)
Maxillaria fucata (4)
Maxillaria grandiflora (1)
Maxillaria lepidota (1)
Maxillaria luteo-alba (2)
Maxillaria sanguinea (1)
Maxillaria seidenii (3)
Maxillaria sp. (1)
Maxillaria tenuifolia (3)
Maxillaria tuerckelii (1)
Maxillaria uncata (1)
Maxillaria variabilis var. luteo (1)
Maxillaria variabilis var. moriana (1)
Maytenus boaria (30)
Maytenus magellanica (2)
Maytenus octoqona (3)
Maytenus orbicularis (3)
Maytenus penducularis (1)
Maytenus phyllanthiodes (1)
Maytenus phyllanthoides (11)
Mazus miquelii (3)
Mazus pumilus (9)
Mazzaella affinis (1)
Mazzaella flaccida (2)
Mazzaella sp. (1)
Mazzaella splendens (1)
Mecardonia procumbens (2)
Mecardonia sp. (2)
Meconella californica (36)
Meconella deniculata (1)
Meconella denticulata (27)
Meconella oregana (37)
Meconopsis betonicifolia (4)
Meconopsis horridula (6)
Meconopsis napaulensis (1)
Meconopsis paniculata (7)
Medeola virginiana (14)
Medicago arabica (22)
Medicago arborea (7)
Medicago coronata (7)
Medicago falcata (6)
Medicago hispida (6)
Medicago littoralis (1)
Medicago lupiluna (1)
Medicago lupulina (38)
Medicago lupulina ssp. cupaniana (3)
Medicago lupulina var. glandulosa (6)
Medicago minima (4)
Medicago orbicularis (8)
Medicago polymorpha (91)
Medicago praecox (19)
Medicago prostrata (7)
Medicago sativa (54)
Medicago sativa ssp. sativa (5)
Medicago scutellata (6)
Medicago x varia (2)
Medinilla alata (3)
Medinilla cummingii (5)
Medinilla miniata (6)
Medinilla multiflora (1)
Medinilla scortechinii (1)
Medinilla sp. (7)
Medinilla succulenta (1)
Mediocalcar decoratum (2)
Medranoa palmeri (16)
Meesia triquetra (16)
Meesia uliginosa (16)
Megalastrum aureisquama (1)
Megalastrum microsorum (1)
Megaskepasma erythrochlamys (2)
Megathyrsus maximus (9)
Meiotrichum lyallii (6)
Meiracyllium trinasutum (3)
Melaleuca alternifolia (1)
Melaleuca armillaris (14)
Melaleuca brachyandra (2)
Melaleuca bracteata (4)
Melaleuca cardiophylla (1)
Melaleuca citina (6)
Melaleuca citrina (22)
Melaleuca comboynensis (1)
Melaleuca cuticularis (2)
Melaleuca cyrtodonta (1)
Melaleuca diosmifolia (6)
Melaleuca ericifolia (16)
Melaleuca fulgens ssp. steedmanii (1)
Melaleuca fulgens ssp. steedmannii (1)
Melaleuca gibbosa (1)
Melaleuca glauca (2)
Melaleuca hislopii (7)
Melaleuca incana (7)
Melaleuca lanceolata (1)
Melaleuca linariifolia (18)
Melaleuca linearifolia (3)
Melaleuca linearis (7)
Melaleuca linearis var. linearis (2)
Melaleuca nesophila (19)
Melaleuca pachyphylla (2)
Melaleuca pallida (1)
Melaleuca phoenicea (3)
Melaleuca preissiana (8)
Melaleuca pulcherrima (1)
Melaleuca quadrifida (1)
Melaleuca quinquenervia (25)
Melaleuca quinquinerva (14)
Melaleuca radula (1)
Melaleuca rhaphiophylla (1)
Melaleuca sp. (5)
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Melaleuca styphelioides (5)
Melaleuca systena (1)
Melaleuca thymifolia (2)
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Melaleuca veminalis (5)
Melaleuca viminalis (17)
Melaleuca viminea (1)
Melaleuca viminialis (6)
Melaleuca vinnula (1)
Melaleuca wilsonii (1)
Melampodium cinereum var. cinereum (4)
Melampodium divaricatum (5)
Melampodium leucanthum (35)
Melampodium perfoliatum (13)
Melampodium strigosum (3)
Melampyrum arvense (2)
Melampyrum barbatum ssp. carstiense (4)
Melampyrum lineare (8)
Melampyrum lineare var. lineare (12)
Melampyrum nemorosum (1)
Melampyrum pratense ssp. paradoxum (4)
Melampyrum pratense ssp. pratense (6)
Melampyrum sylvaticum (5)
Melandrium grandiflorum (1)
Melanocalyx uniflora (6)
Melanoselinum decipiens (2)
Melanthera nivea (6)
Melanthera parvifolia (1)
Melanthium virginicum (2)
Melasoma sanguineum (3)
Melastoma malabathricum (2)
Melastoma malabathricum ssp. malabathricum (3)
Melhania ovata (1)
Melia azedarach (67)
Melianthus comosus (3)
Melianthus major (21)
Melica aristata (12)
Melica bulbosa (21)
Melica californica (41)
Melica ciliata (7)
Melica frutescens (16)
Melica fugax (11)
Melica geyeri (18)
Melica geyeri var. geyeri (2)
Melica harfordii (23)
Melica imperfecta (29)
Melica porteri (1)
Melica spectabilis (8)
Melica stricta (26)
Melica subulata (11)
Melica torreyana (17)
Melica uniflora (1)
Melicoccus bijugatus (5)
Melicope zahlbruckneri (10)
Melilotus (1)
Melilotus albus (105)
Melilotus indicus (59)
Melilotus officinalis (36)
Melilotus sulcata (8)
Melinis minutiflora (1)
Melinis repens (20)
Melinis repens ssp. repens (26)
Meliosma cuneifolia (5)
Meliosma myriantha (3)
Meliosma oldhamii (3)
Melissa officianalis (5)
Melissa officinalis (34)
Melittis melissophyllum (21)
Melliodendron xylocarpum (3)
Melobesia mediocris and smithora naiadum (1)
Melocactus azureus (4)
Melocactus bahiensis (1)
Melocactus conoideus (3)
Melocactus intortus (16)
Melocactus matanzanus (2)
Melocactus violaceus ssp. margaritaceus (4)
Melocactus zehntneri (1)
Melochia pyramidata (6)
Melochia speciosa (14)
Melochia tomentosa (38)
Melochia tometnosa (3)
Melochia umbellata (12)
Melosperma andicola (3)
Melothria scabra (4)
Melpomene moniliformis var. tepuiensis (1)
Memecylon umbellatum (2)
Mendoncia velloziana (25)
Menispermum canadense (10)
Menodora longiflora (9)
Menodora scabra (40)
Menodora scabra var. glabrescens (22)
Menodora scabra var. scabra (2)
Menodora spinescens (43)
Menodora spinescens var. mohavensis (9)
Menodora spinescens var. spinescens (16)
Menonvillea linearis (3)
Mentha aquatica (30)
Mentha arvensis (46)
Mentha canadensis (46)
Mentha longifolia ssp. longifolia (5)
Mentha pulegium (94)
Mentha requienii (1)
Mentha sp. (9)
Mentha spicata (36)
Mentha suaveolens (9)
Mentha X piperita (1)
Mentha × piperita (3)
Mentha ×piperita (7)
Mentzelia (5)
Mentzelia adhaerens (12)
Mentzelia affinis (47)
Mentzelia albicaulis (106)
Mentzelia asperula (9)
Mentzelia candelariae (3)
Mentzelia congesta (97)
Mentzelia crocea (65)
Mentzelia decapetala (9)
Mentzelia dispersa (79)
Mentzelia eremophila (22)
Mentzelia gracilenta (27)
Mentzelia hirsutissima (15)
Mentzelia humilis (1)
Mentzelia humilis var. guadalupensis (15)
Mentzelia humilis var. humilis (1)
Mentzelia incisa (2)
Mentzelia involucrata (167)
Mentzelia inyoensis (5)
Mentzelia jonesii (27)
Mentzelia laevicaulis (226)
Mentzelia leucophylla (3)
Mentzelia lindleyi (76)
Mentzelia longiloba (45)
Mentzelia micrantha (41)
Mentzelia micrantha; (2)
Mentzelia monoensis (8)
Mentzelia montana (13)
Mentzelia multiflora (40)
Mentzelia nitens (37)
Mentzelia nuda (6)
Mentzelia obscura (11)
Mentzelia oreophila (30)
Mentzelia pectinata (43)
Mentzelia polita (14)
Mentzelia pterosperma (3)
Mentzelia puberula (4)
Mentzelia reflexa (50)
Mentzelia scabra ssp. cordobensis (1)
Mentzelia sp. (5)
Mentzelia strictissima (15)
Mentzelia tiehmii (5)
Mentzelia torreyi (26)
Mentzelia tricuspis (23)
Mentzelia tridentata (26)
Mentzelia veatchiana (89)
Menyanthes trifoliata (56)
Menziesia ferruginea (7)
Mercurialis annua (47)
Mercurialis perennis (5)
Meristotheca procumbens (4)
Merremia hederacea (1)
Merremia sp. (2)
Mertensia arizonica (3)
Mertensia bella (1)
Mertensia campanulata (2)
Mertensia ciliata (58)
Mertensia ciliata var. stomatechoides (25)
Mertensia franciscana (5)
Mertensia lanceolata (12)
Mertensia lanceolata var. lanceolata (1)
Mertensia longiflora (12)
Mertensia maritima (12)
Mertensia nevadensis (6)
Mertensia oblongifolia (13)
Mertensia oblongifolia var. nevadensis (11)
Mertensia paniculata (8)
Mertensia paniculata var. borealis (3)
Mertensia paniculata var. paniculata (3)
Mertensia subcordata (4)
Mertensia virginica (39)
Merwilla plumbea (4)
Meryta lanceolata (3)
Meryta sinclairii (1)
Mesembryanthemum barklyi (1)
Mesembryanthemum cordifolium (20)
Mesembryanthemum crystallinum (94)
Mesembryanthemum gariusanum (10)
Mesembryanthemum guerichianum (2)
Mesembryanthemum junceum (1)
Mesembryanthemum nodiflorum (60)
Mesembryanthemum sp. (6)
Mesembryanthemum subnodosum (6)
Mesembryanthemum tetragonum (2)
Mesophyllum conchatum (1)
Mesophyllum erubescens (2)
Mesophyllum sp. (1)
Mesospora pangoensis var. galapagensis (1)
Metalasia muricata (2)
Metalasia sp. (1)
Metaneckera menziesii (4)
Metapanax delavayi (5)
Metasequoia glyptostroboides (40)
Metastelma arizonicum (4)
Metastelma blodgettii (1)
Metastelma pringlei (11)
Metopium toxiferum (1)
Metrosideros collina (2)
Metrosideros excelsa (20)
Metrosideros excelsus (5)
Metrosideros karmadecensis (3)
Metrosideros kermadecensis (3)
Metrosideros perforata (1)
Metrosideros polymorpha (47)
Metrosideros sp. (1)
Metrosideros stipularis (3)
Metroxilon amicarum (1)
Metzgeria furcata (7)
Metzgeria violacea (3)
Meum athamanticum (11)
Mexipedium xerophyticum (1)
Mezilaurus sp. nov. (46)
Mezoneuron kauaiense (7)
Michauxia campanuloides (1)
Michelia champaca var. alba (4)
Michelia sp. (3)
Michelia x foggii (1)
Michelia yuannanensis (2)
Mickelia oligarchica (1)
Miconia calvescens (17)
Miconia ciliata (8)
Miconia crenata (6)
Miconia denticulata (5)
Miconia multiplinervia (3)
Miconia nervosa (11)
Miconia papillosa (3)
Miconia robinsoniana (1)
Miconia xalapensis (2)
Micrantha bryophora (1)
Micranthes aprica (48)
Micranthes bryophora (55)
Micranthes californica (145)
Micranthes eriophora (7)
Micranthes ferruginea (30)
Micranthes fragosa (16)
Micranthes howellii (15)
Micranthes integrifolia (32)
Micranthes marshallii (10)
Micranthes mertensiana (11)
Micranthes micranthidifolia (1)
Micranthes nelsoniana (1)
Micranthes nidifica (39)
Micranthes nivalis (3)
Micranthes occidentalis (16)
Micranthes odontoloma (95)
Micranthes odontyoloma (1)
Micranthes oregana (57)
Micranthes pensylvanica (12)
Micranthes petiolaris (16)
Micranthes rhomboidea (27)
Micranthes rufidula (12)
Micranthes sp (1)
Micranthes sp. (3)
Micranthes stellaris (4)
Micranthes stellaris ssp. robusta (7)
Micranthes subapetala (10)
Micranthes tolmei (2)
Micranthes tolmiei (77)
Micranthes virginiensis (4)
Micranthocereus purpureus (5)
Microbryum starckeanum (1)
Microchilus plantagineus (5)
Microcladia californica (1)
Microcladia coulteri (1)
Microdictyon umbilicatum (6)
Microdon dubius (1)
Microgramma lycopodioides (1)
Microgramma percussa (3)
Microgramma vacciniifolia (2)
Microlepia platyphylla (5)
Microlepia speluncae (3)
Microlepia strigosa (2)
Micromeles coronata (2)
Micromeles zahlbruckneri (2)
Micromeria douglasii (7)
Micromeria graeca (4)
Micromeria juliana (12)
Micromonolepis pusilla (8)
Micromyrtus ciliata (3)
Micropiper excelsum (2)
Micropus amphibolus (6)
Micropus californicus (26)
Micropus californicus var. californicus (60)
Micropus californicus var. californicus; (3)
Micropus californicus var. subvestitus (11)
Microseris acuminata (29)
Microseris alpestris (39)
Microseris bigelovii (28)
Microseris borealis (7)
Microseris campestris (3)
Microseris cuspidata (10)
Microseris douglasii (28)
Microseris douglasii ssp. douglasii (88)
Microseris douglasii ssp. platycarpha (21)
Microseris douglasii ssp. tenella (15)
Microseris elegans (14)
Microseris howellii (19)
Microseris laciniata (11)
Microseris laciniata ssp. detlingii (25)
Microseris laciniata ssp. laciniata (5)
Microseris lindleyi (6)
Microseris nigrescens (11)
Microseris nutans (58)
Microseris paludosa (29)
Microseris ringens (1)
Microseris sylvatica (62)
Microseris troximoides (10)
Microsorum musifolium (3)
Microsorum powellii (15)

Microsorum punctatum 'Grandiceps' (1)
Microsorum spectrum var. spectrum (3)
Microsorum whiteheadii (1)
Microsorum X maximum (5)
Microsorum x-maximum (6)
Microstegium vimineum (1)
Microsteris gracilis (134)
Microsteris gracilis var. gracilis (3)
microtheca var. alpinum (6)
Microtis media (5)
Microtis unifolia (6)
Mielichhoferia elongata (4)
Mielichhoferia shevockii (2)
Mikania scandens (14)
Mila caespitosa ssp. caespitosa (1)
Milla biflora (11)
Millingtonia hortensis (1)
Miltassia (1)
Miltonia flavescens (2)
Miltonia sp. (1)
Miltonia spectabilis var. mooreliana (1)
Mimetanthe pilosa (101)
Mimetes cucullatus (6)
Mimetes fimbriifolius (2)
Mimophytum alienum (3)
Mimosa aculeaticarpa (2)
Mimosa albida (2)
Mimosa biuncifera (11)
Mimosa borealis (1)
Mimosa ceratonia (15)
Mimosa diplotricha var. diplotricha (2)
Mimosa distachya var. distachya (9)
Mimosa dormiens (2)
Mimosa dysocarpa (6)
Mimosa emoryana (9)
Mimosa grahamii (3)
Mimosa microphylla (8)
Mimosa monancistra (7)
Mimosa nuttallii (9)
Mimosa pudica (18)
Mimosa pudica var. unijuga (1)
Mimosa rupertiana (24)
Mimosa sp. (4)
Mimosa strigillosa (12)
Mimosa tricephala var. xanti (11)
Mimosa turneri (6)
Mimulus cusickii (9)
Mimulus eastwoodiae (12)
Mimulus floribundus var. dudleyi (2)
Mimulus floribundus? (1)
Mimulus hybridus (2)
Mimulus layneae (1)
Mimulus nanaus var. mephiticus (1)
Mimulus nanus ssp. nanus (1)
Mimulus nanus var. nanus (2)
Mimulus primuloides ssp. primuloides (8)
Mimulus ringens (31)
Mimulus ringens var. ringens (18)
Mimulus sp. (19)
Mimulus tilingii var. caespitosus (2)
Mimulus x aurantiacus (2)
Mimusops caffra (3)
Mimusops elengi (2)
Mimusops obovata (3)
Mimusops zeyheri (11)
Minuartia diffusa (2)
Minuartia gerardii (2)
Minuartia nutallii (2)
Minuartia nuttallii ssp. nuttallii (3)
Minuartia obtusiloba (5)
Mirabilis albida (43)
Mirabilis alipes (24)
Mirabilis bigelovii var. bigelovii (2)
Mirabilis claevis (1)
Mirabilis coccinea (20)
Mirabilis glabrifolia (2)
Mirabilis greenei (1)
Mirabilis jalapa (37)
Mirabilis laevis (34)
Mirabilis laevis var. crassifolia (126)
Mirabilis laevis var. laevis (3)
Mirabilis laevis var. retrorsa (57)
Mirabilis laevis var. villosa (61)
Mirabilis laevis var. viscosa (3)
Mirabilis lavis (8)
Mirabilis linearis (25)
Mirabilis linerais (1)
Mirabilis longiflora (26)
Mirabilis melanotricha (7)
Mirabilis multifllora var. pubescens (1)
Mirabilis multiflora (43)
Mirabilis multiflora var. glandulosa (21)
Mirabilis multiflora var. multiflora (5)
Mirabilis multiflora var. pubescens (92)
Mirabilis nyctaginea (8)
Mirabilis oxybaphoides (10)
Mirabilis pudica (3)
Mirabilis sp. (1)
Mirabilis tenuiloba (38)
Mirabilis viscosa (5)
Mirbelia dilatata (1)
Miscanthus floridulus (1)
Miscanthus sacchariflorus (60)
Miscanthus sinensis (23)
Miscanthus sp. (3)
Misodendrum angulatum (1)
Misodendrum linearifolium (5)
Misopates orontium (7)
Mitchella repens (17)
Mitella diphylla (38)
Mitella nuda (2)
Mitellastra caulescens (40)
Mitracarpus floribundus (8)
Mitraria coccinea (7)
Mizodendrum punctulatum (2)
Mizodendrum sp. (2)
Mnium hornum (6)
Mnium thomsonii (2)
Modiola caroliniana (22)
Modiola incana (1)
Modiolastrum gillesii (2)
Moehria macrophylla (3)
Moehringia ciliata (5)
Moehringia lateriflora (6)
Moehringia macrophylla (45)
Moehringia muscosa (6)
Moehringia trinervia (1)
Moehringia villosa (3)
Moenchia erecta (2)
Moenchia erecta ssp. erecta (3)
Mohavea breviflora (1)
Mohavea confertiflora (11)
Mohria caffrorum var. caffrorum (1)
Moldavica parviflorum (1)
Molinadendron sinaloense (8)
Molinia arundinacea (6)
Mollugo flavescens ssp. gracillima (4)
Mollugo verticillata (41)
Molopospermum peloponnesiacum ssp. bauhinii (6)
Moltkiopsis ciliata (1)
Moluccella laevis (4)
Momordia charantia (1)
Momordica boivinii (1)
Momordica charantia (24)
Monachosorum subdigitatum (1)
Monadenium shubei (1)
Monanthes muralis (1)
Monanthes polyphylla (2)
Monarda bradburiana (3)
Monarda citriodora (7)
Monarda citrodora ssp. austromontanus (8)
Monarda clinopodia (8)
Monarda didyma (23)
Monarda fistulosa (10)
Monarda fistulosa var. fistulosa (21)
Monarda fistulosa var. menthifolia (11)
Monarda fistulosa var. mollis (1)
Monarda pectinata (4)
Monarda punctata (8)
Monarda punctata var. villicaulis (19)
Monarda russelliana (5)
Monardella australis (5)
Monardella australis ssp. australis (20)
Monardella australis ssp. cinerea (27)
Monardella beneolens (3)
Monardella breweri (2)
Monardella breweri ssp. lanceolata (92)
Monardella candicans (1)
Monardella douglasii (16)
Monardella exilis (29)
Monardella follettii (7)
Monardella glauca (17)
Monardella hypoleuca (1)
Monardella hypoleuca ssp. hypoleuca (10)
Monardella hypoleuca ssp. intermedia (9)
Monardella hypoleuca ssp. lanata (7)
Monardella leucocephala (4)
Monardella linoides (10)
Monardella linoides ssp. linoides (26)
Monardella linoides ssp. oblonga (48)
Monardella linoides ssp. sierrae (21)
Monardella macrantha (15)
Monardella macrantha ssp. hallii (30)
Monardella macrantha ssp. macrantha (14)
Monardella nana (84)
Monardella nana ssp. (1)
Monardella odoratissima (96)
Monardella odoratissima ssp. glauca (53)
Monardella odoratissima ssp. odoratissima (8)
Monardella odoratissima ssp. pallid (3)
Monardella odoratissima ssp. pallida (69)
Monardella odoratissima subsp. glauca (4)
Monardella palmeri (12)
Monardella purpurea (49)
Monardella robisonii (6)
Monardella saxicola (1)
Monardella sheltonii (25)
Monardella sinuata ssp. nigrescens (37)
Monardella sinuata ssp. sinuata (38)
Monardella sp. (10)
Monardella stebbinsii (15)
Monardella stoneana (7)
Monardella undulata (24)
Monardella undulata ssp. arguelloensis (6)
Monardella undulata ssp. crispa (44)
Monardella undulata ssp. undulata (27)
Monardella venosa (14)
Monardella villosa (29)
Monardella villosa ssp. franciscana (26)
Monardella villosa ssp. obispoensis (14)
Monardella villosa ssp. villosa (91)
Monardella villosa subsp. villosa (4)
Monardella viminea (61)
Monardella viridis (22)
Monardella viridis ssp. viridis (1)
Moneses uniflora (59)
Monkshood (1)
Monnina wrightii (9)
Monnina xalapensis (3)
Monochaetum tenellum (1)
Monochoria vaginalis (4)
Monolepis nuttalliana (29)
Monolopia congdonii (136)
Monolopia gracilens (36)
Monolopia lanceolata (97)
Monolopia major (23)
Monolopia stricta (58)
Monopsis decipiens (1)
Monoptilon bellidiforme (41)
Monoptilon bellioides (205)
Monoptilon sp. (2)
Monotropa hipopitys (6)
Monotropa hypopitys (56)
Monotropa uniflora (87)
Monroa squarrosa (5)
Monsonia grandifolia (1)
Monsonia speciosa (2)
Monstera adansonii (2)
Monstera adansonii ssp. laniata (1)
Monstera deliciosa (11)
Montanoa grandiflora (8)
Montanoa guatemalensis (6)
Montanoa hexagona (2)
Montanoa leucantha (7)
Montia chamissoi (88)
Montia diffusa (4)
Montia fontana (53)
Montia howellii (17)
Montia linearis (55)
Montia linearis; (3)
Montia parvifolia (82)
Monticalia peruviana (1)
Montiopsis potentilloides (3)
Monttea chilensis var. taltalensis (4)
Monvillea markgraffii (1)
Moraea (1)
Moraea angusta (1)
Moraea bellendenii (1)
Moraea bulbillifera (1)
Moraea collina (1)
Moraea elegans (1)
Moraea flaccida (3)
Moraea inclinata (2)
Moraea neglecta (1)
Moraea pritzeliana (2)
Moraea ramosissima (1)
Moraea ramosissimus (1)
Moraea serpentina (1)
Moraea sisyrinchium (14)
Moraea tripetala (2)
Moraea unguiculata (1)
Moraea vegeta (1)
Moreae tripetala (3)
Morella californica (44)
Morina kokanica (2)
Morina longifolia (2)
Morinda citrifolia (17)
Morinda pacifica (1)
Morinda royoc (2)
Moringa drouhardii (4)
Moringa oleifera (12)
Moringa ovalifolia (2)
Morisia monantha ssp. fred hemingway (1)
Morisia monanthos (4)
Morisonia atamisquea (1)
Morisonia flexuosa (2)
Mormodes badia alba (1)
Mormodes rolfeanum (2)
Morrena brachystephana (1)
Mortonia scabrella (15)
Mortonia utahensis (38)
Morus alba (32)
Morus indica (4)
Morus microphylla (2)
Morus mongolica (1)
Morus nigra (17)
Morus rubra (7)
Morus sp. (9)
Mosiera longipes (1)
Moussonia elegans (5)
Mucronea californica (28)
Mucronea perfoliata (38)
Muehlenbeckia axillaris (3)
Muehlenbeckia complexa (15)
Muehlenbeckia hastulata (2)
Muehlenbeckia platyclada (3)
Muellerolaria rudis (2)
Muhlenbergia alopecuroides (1)
Muhlenbergia andina (19)
Muhlenbergia appressa (12)
Muhlenbergia arsenei (5)
Muhlenbergia asperifolia (7)
Muhlenbergia californica (6)
Muhlenbergia capillaris (8)
Muhlenbergia cenchroides (1)
Muhlenbergia dumosa (1)
Muhlenbergia emersleyi (25)
Muhlenbergia filiformis (10)
Muhlenbergia fragilis (7)
Muhlenbergia glomerata (5)
Muhlenbergia jonesii (11)
Muhlenbergia lindheimeri (2)
Muhlenbergia mexicana (10)
Muhlenbergia microsperma (23)
Muhlenbergia minutissima (9)
Muhlenbergia montana (16)
Muhlenbergia paniculata (6)
Muhlenbergia pauciflora (8)
Muhlenbergia phleoides (3)
Muhlenbergia porteri (13)
Muhlenbergia richardsonis (25)
Muhlenbergia rigens (37)
Muhlenbergia rigida (9)
Muhlenbergia schreberi (7)
Muhlenbergia setifolia (1)
Muhlenbergia tenuifolia (1)
Muhlenbergia torreyi (3)
Muhlenbergia utilis (19)
Muilla coronata (67)
Muilla maritima (105)
Muilla sp. (1)
Muilla transmontana (38)
Mulguraea tridens (2)
Mundulea sericea (11)
Munroa pulchella (19)
Munroa squarrosa (14)
Muntingia calabura (1)
Munzothamnus blairii (16)
Muraltia sp. (2)
Murraya paniculata (4)
Musa acuminata (8)
Musa acuminata ssp. acuminata (1)
Musa acuminata ssp. zebrina (1)
Musa balbisiana (2)
Musa basjoo (6)
Musa paradisiaca (2)
Musa sp. (20)
Musa troglodytarum (1)
Musa x paradisiaca (9)
Muscari (2)
Muscari armeniacum (2)
Muscari botryoides (12)
Muscari comosum (15)
Muscari latifolium (3)
Muscari neglectum (11)
Muscari sp. (2)
Musella lasiocarpa (1)
Musineon divaricatum (18)
Musineon tenuifolium (15)
Mussaenda Dona Evangelina' (2)
Mussaenda erythrophylla 'Rosea' (1)
Mussaenda frondosa (1)
Mussaenda glabra (1)
Mussaenda phillipica 'Aurorae' (1)
Mussaenda sp. (1)
Musschia wollastonii (1)
Mutarda arvensis (8)
Mutarda carinata (3)
Mutarda nigra (2)
Mutingia calabura (1)
Mutisia acuminata var. acuminata (4)
Mutisia decurrens (2)
Mutisia ilicifolia (11)
Mutisia sinuata (2)
Mutisia subulata (10)
Mycelis muralis (3)
Myoporum floribundum (2)
Myoporum insulare (3)
Myoporum laetum (48)
Myoporum parvifolium (16)
Myoporum sandwicense (7)
Myoporum tetandrum (6)
Myosotis alpestris (12)
Myosotis arvensis (1)
Myosotis asiatica (13)
Myosotis discolor (39)
Myosotis latifolia (51)
Myosotis laxa (18)
Myosotis micrantha (7)
Myosotis scorpioides (17)
Myosotis scorpioides ssp. scorpioides (3)
Myosotis sp. (8)
Myosotis sylvatica (19)
Myosotis sylvaticus (1)
Myosurus (2)
Myosurus apetalus (11)
Myosurus cupulatus (10)
Myosurus minimus (36)
Myosurus minimus ssp. apus (6)
Myosurus sessilis (11)
Myoxanthus cimex (1)
Myoxanthus punctatus (1)
Myrceugenia chrysocarpa (5)
Myrceugenia obtusa (3)
Myrcia guianensis (15)
Myrcia trichantha (17)
Myrica californica (21)
Myrica faya (2)
Myrica gale (29)
Myrica hartwegii (51)
Myrica rubra (2)
Myricaria germanica (13)
Myriogramme kylinii (1)
Myriophyllum alterniflorum (8)
Myriophyllum aquaticum (27)
Myriophyllum brasiliensis (1)
Myriophyllum hippuroides (3)
Myriophyllum sibiricum (28)
Myriophyllum spicatum (27)
Myriopteris clevelandii (15)
Myriopteris cooperae (16)
Myriopteris covillei (43)
Myriopteris gracilis (4)
Myriopteris gracillima (55)
Myriopteris intertexta (4)
Myriopteris newberryi (17)
Myriopteris parryi (44)
Myriopteris viscida (17)
Myriopteris wootonii (6)
Myristica fragrans (2)
Myristica sp. (4)
Myrmecodia platytyrea (1)
Myrothamnus flabellifolius (1)
Myroxylon balsamum (1)
Myrrhis odorata (9)
Myrsine africana (10)
Myrsine australis (2)
Myrsine cubana (1)
Myrsine guianensis (22)
Myrsine lanaiensis (6)
Myrsine lessertiana (11)
Myrsine melanophloeos (7)
Myrtillocactus cochal (23)
Myrtillocactus geometrizans (8)
Myrtillocactus schenckii (1)
Myrtillocactus sp. (1)
Myrtus communis (20)
Myrtus communis ssp. communis (8)
Myurella julacea (11)