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• Columnea congestiflora (Gesneriaceae), a New Species from the Western Andean Slopes of the Cordillera Occidental in Colombia

  Carlos A. Solano-C, Nicolas Parra-Lizcano, John L. Clark, James F. Smith

  133 - 140
• Bryomyces, a Genus Described from Foliar Moss Gemmae, Is an Earlier Name for Plenogemma (Orthotrichaceae)

  John J. Atwood, William R. Buck, Bernard Goffinet

  115 - 121
• Schimperella subcompressa, a New Combination and an Earlier Name for S. bellointricata (Brachytheciaceae)

  John J. Atwood, John C. Brinda

  89 - 93
• Columnea flavohirsuta (Gesneriaceae), a New Species from the Chocó Biogeographic Region, and an Update on Some Columnea Circumscriptions

  John L. Clark, Laura Clavijo, Laurence E. Skog

  71 - 82
• New Combinations in Dendrosenecio (Asteraceae)

  Eric B. Knox

  29 - 30
• Transfer of Four New Guinean Rhus Species to Toxicodendron (Anacardiaceae)

  John D. Mitchell, Susan K. Pell, Jun Wen

  111 - 114
• Lithocarpus graniticus (Fagaceae), a New Species from the Granitic Mountain Valleys of Southern Fujian, China

  Yi-Zhe Lin, Xin-Yan Chen, Liang Ma, Yi-Yao Zhu, Shi-Pin Chen

  16 - 23
• Amaranthus pakai (Amaranthaceae), a New Critically Endangered Species from the Hawaiian Islands

  Kevin Faccenda, Néstor David Bayón , Katherine Waselkov , Robert W. Hobdy†

  1 - 5
• Ranunculus nilgiricus, a Replacement Name for the Illegitimate R. reniformis (Ranunculaceae)

  Alexander N. Sennikov, Valery N. Tikhomirov

  176 - 178
• Juncus snowii (Juncaceae), a New Rare Species Endemic to the Altamaha Grit of Georgia, U.S.A.

  Wesley M. Knapp, J. Richard Carter

  70 - 76
• Lectotypification of Anthemis aetnensis (Asteraceae)

  Gianmarco Tavilla, Salvatore Brullo, Pietro Minissale, Salvatore Cambria, Alexander N. Sennikov

  262 - 265
• The Origin of Trimeris (Lobeliaceae) Is Illuminated by a Second Species, T. anceps

  Eric B. Knox

  31 - 32
• Two New Species of Impatiens (Balsaminaceae) from the Eastern Arc Mountains of Tanzania

  Nora Gavin-Smyth, Roy E. Gereau

  122 - 127
• A New Combination in Encalypta (Encalyptaceae, Bryophyta)

  John C. Brinda, Michael S. Ignatov, Vladimir E. Fedosov

  77 - 78
• Una Especie Nueva de Laplacea, un Género Controversial de Theaceae, de la Cordillera del Cóndor, Ecuador

  Gabriela F. Moya, Nelson Miranda-Moyano, Nora H. Oleas, Carmen Ulloa Ulloa

  92 - 99
• A Taxonomic Reevaluation of the South American Myosotis Species Described by José Arechavaleta

  Nidia Mendoza-Díaz, José M. Bonifacino, Marina Díaz, Hilda Flores-Olvera

  80 - 91
• Impatiens katjae, a New Species of Impatiens (Balsaminaceae) from Central Myanmar

  Nobuyuki Tanaka, Mu Mu Aung, Jaap Jan Vermeulen

  56 - 60
• Lurking in the Shadows: A New Species of Drypetes (Putranjivaceae) from Central Africa Hiding in Forest Plots and Herbaria

  Alejandro Quintanar, Patricia Barberá, Diosdado Nguema, Vincent Medjibe, Zoë A. Goodwin, Jean Michel Onana, Sydney T. Ndolo Ebika, Corneille E. N. Ewango, Jean Marie Moutsamboté, David J. Harris

  14 - 23
• Aechmea novoae (Bromeliaceae, Bromelioideae), a Novelty from the State of Jalisco, Mexico

  Alejandra Flores-Argüelles, Ana Rosa López-Ferrari, Adolfo Espejo-Serna

  281 - 287
• Neotypification of the Interspecific Hybrid Pterocarya ×rehderiana (Juglandaceae) Originating at the Arnold Arboretum

  Jared Rubinstein, Michael Dosmann

  232 - 234
• Melanophylla dianeae (Torricelliaceae), a New, Critically Endangered Species from a Remnant Forest Fragment in East-central Madagascar

  Porter P. Lowry II, Chris Birkinshaw, George E. Schatz, Patrice Antilahimena

  205 - 210
• Nomenclatural Changes in Western North American Amsinckiinae (Boraginaceae)

  C. Matt Guilliams, Kristen E. Hasenstab-Lehman, Bruce G. Baldwin

  51 - 59
• Rubiacearum Americanarum Magna Hama Pars XLIII: New Species and Notes on South American Hippotis (Condamineae) and Schradera (Schradereae)

  Charlotte M. Taylor, David A. Neill, Melissa Calderón Cruz

  87 - 101
• Nomenclatural Novelties in Anthurium sect. Urospadix subsect. Obscureviridia from the Brazilian Atlantic Forest

  Rodrigo Theófilo Valadares, Luana S. B. Calazans, Cassia Mônica Sakuragui

  17 - 21