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| Kingdom Animalia |
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Amblyomma boeroi Nava, Mangold, Mastropaolo, Venzal, Oscherov and Guglielmone, 2009 -- valid |
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Boloria polaris stellata Masters, 1972 -- valid |
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Colluricincla harmonica superciliosa Masters, 1876 -- valid |
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Cracticus quoyi spaldingi Masters, 1878 -- valid |
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Euphydryas phaeton ozarkae Masters, 1968 -- valid |
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Oeneis jutta ascerta Masters and Sorenson, 1968 -- valid |
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Pachycephala melanura robusta Masters, 1876 -- valid |
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Paragalago Masters, Génin, Couette, Groves, Nash, Delpero and Pozzi, 2017 -- valid -- eastern dwarf galagos |
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Plebejus idas nabokovi (Masters, 1972) -- valid |
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| Kingdom Plantae |
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Aristolochia elegans Mast. -- accepted -- elegant dutchman's pipe |
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Banksia formosa (R. Br.) A.R. Mast & K.R. Thiele -- accepted |
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Banksia polycephala (Benth.) A.R. Mast & K.R. Thiele -- accepted |
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Camellia sinensis var. assamica (J.W. Mast.) Kitam. -- not accepted -- Assam tea |
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Carex tiogana D.W. Taylor & J.D. Mastrog. -- accepted -- Tioga Pass sedge |
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Columnea kalbreyeriana Masters -- accepted |
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Dalbergaria kalbreyeriana (Masters) Wiehler -- not accepted |
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Duranta erecta var. alba (Mast.) Caro -- not accepted |
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Duranta repens var. alba (Mast.) L.H. Bailey -- not accepted |
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Grewia sulcata Mast. -- accepted |
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Keteleeria evelyniana Mast. -- accepted -- Evelyn keteleeria |
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Macrozamia mackenziei Hort. ex Mast. -- not accepted |
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Nepenthes burkei Mast. -- accepted |
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Nepenthes stenophylla Mast. -- accepted |
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Nepenthes X cincta Mast. -- accepted |
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Nepenthes X coccinea Mast. -- accepted |
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Pandanus veitchii Mast. & T. Moore -- not accepted -- Veitch's screwpine |
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Passiflora arida (Mast. & Rose) Killip -- accepted |
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Passiflora cincinnata Mast. -- accepted -- crato passionvine |
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Passiflora foetida var. arida Mast. & Rose -- not accepted |
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Passiflora foetida var. gossypiifolia (Desv. ex Ham.) Mast. -- accepted -- cottonleaf passionflower |
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Passiflora morifolia Mast. -- accepted -- woodland passionflower |
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Passiflora pallens Poepp. ex Mast. -- accepted -- pineland passionflower |
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Passiflora warmingii Mast. -- not accepted |
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Penstemon labrosus (A. Gray) Mast. ex Hook. f. -- accepted -- San Gabriel beardtongue |
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Picea glehnii (F. Schmidt) Mast. -- accepted -- Sakhalin spruce |
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Pinus balfouriana ssp. austrina R.J. Mastrog. & J.D. Mastrog. -- accepted -- foxtail pine |
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Primula austrofrigida (K.L. Chambers) A.R. Mast & Reveal -- accepted -- frigid shootingstar, tundra shootingstar |
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Primula clevelandii (Greene) A.R. Mast & Reveal -- accepted -- padre's shootingstar |
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Primula clevelandii var. clevelandii (Greene) A.R. Mast & Reveal -- accepted -- padre's shootingstar |
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Primula clevelandii var. gracilis (Greene) Mast & Reveal -- accepted -- mission shootingstar, padre's shootingstar |
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Primula clevelandii var. insularis (H.J. Thomps.) A.R. Mast & Reveal -- accepted -- island shootingstar, padre's shootingstar |
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Primula clevelandii var. patula (Kuntze) A.R. Mast & Reveal -- accepted -- padre's shootingstar, valley shootingstar |
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Primula conjugens (Greene) A.R. Mast & Reveal -- accepted -- Bonneville shootingstar |
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Primula conjugens var. conjugens (Greene) A.R. Mast & Reveal -- accepted -- Bonneville shootingstar |
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Primula conjugens var. viscida (Piper) A.R. Mast & Reveal -- accepted -- Bonneville shootingstar, sticky shootingstar |
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Primula fassettii A.R. Mast & Reveal -- accepted -- jeweled shootingstar |
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Primula fragrans A.R. Mast & Reveal -- accepted -- scented shootingstar |
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Primula frenchii (Vasey) A.R. Mast & Reveal -- accepted -- French's shootingstar |
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Primula frigida (Cham. & Schltdl.) A.R. Mast & Reveal -- accepted -- western arctic shootingstar |
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Primula hendersonii (A. Gray) A.R. Mast & Reveal -- accepted -- mosquito bills |
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Primula jeffreyi (Van Houtte) A.R. Mast & Reveal -- accepted -- Sierrra shootingstar, tall mountain-shootingstar |
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Primula latiloba (A. Gray) A.R. Mast & Reveal -- accepted -- white shootingstar |
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Primula meadia (L.) A.R. Mast & Reveal -- accepted -- pride of Ohio |
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Primula pauciflora (Greene) A.R. Mast & Reveal -- accepted -- darkthroat shootingstar |
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Primula pauciflora var. cusickii (Greene) A.R. Mast & Reveal -- accepted -- Cusick's shootingstar |
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Primula pauciflora var. distola (Reveal) A.R. Mast & Reveal -- accepted -- syncline shootingstar |
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Primula pauciflora var. macrocarpa (A. Gray) A.R. Mast & Reveal -- accepted -- Alaskan shootingstar, darkthroat shootingstar |
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Primula pauciflora var. monantha (Greene) A.R. Mast & Reveal -- accepted -- darkthroat shootingstar, Greene's shootingstar |
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Primula pauciflora var. pauciflora (Greene) A.R. Mast & Reveal -- accepted -- darkthroat shootingstar, pretty shootingstar |
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Primula pauciflora var. shoshonensis (A. Nelson) A.R. Mast & Reveal -- accepted -- alkali-meadows shootingstar |
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Primula pauciflora var. zionensis (Eastw.) A.R. Mast & Reveal -- accepted -- Zion shootingstar |
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Primula poetica (L.F. Hend.) A.R. Mast & Reveal -- accepted -- poet's shootingstar |
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Primula standleyana A.R. Mast & Reveal -- accepted -- Ellis' shootingstar |
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Primula subalpina (Eastw.) A.R. Mast & Reveal -- accepted -- Sierra shootingstar |
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Primula tetrandra (Suksd. ex Greene) A.R. Mast & Reveal -- accepted -- alpine shootingstar |
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Primula utahensis (N.H. Holmgren) A.R. Mast & Reveal -- accepted -- Wasatch shootingstar |
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Sarracenia flava var. maxima Bull ex Mast. -- accepted |
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Sarracenia flava var. ornata Bull ex Mast. -- accepted |
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Sarracenia flava var. rugelii (Shuttlew. ex A. DC.) Mast. -- accepted |
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Sarracenia X chelsonii Mast. -- accepted -- Chelson's pitcherplant |
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Sarracenia X courtii hort. ex Mast. -- accepted -- Court's pitcherplant |
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Sarracenia X formosa H.J. Veitch ex Mast. -- accepted -- pitcherplant |
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Sarracenia X moorei Mast. -- accepted -- Moore's pitcherplant |
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Sarracenia X popei hort. ex Mast. (pro sp.) -- accepted -- Pope's pitcherplant |
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Streptocarpus dunnii Mast. -- not accepted |
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Streptocarpus lanatus MacMaster -- accepted |
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Tetraclinis Mast. -- accepted -- tetraclinis |
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Tetraclinis articulata (Vahl) Mast. -- accepted -- arar tree |
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Zamia amplifolia W. Bull ex Mast. -- accepted |
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Zamia baraquiniana Mast. -- not accepted |
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Zamia vernicosa Mast. -- not accepted |
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| Kingdom Bacteria |
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Austwickia chelonae (Masters et al., 1995) Hamada et al., 2011 -- valid |
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Dermatophilus chelonae Masters et al., 1995 -- invalid |
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