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Polypsecadium apolobamba (Brassicaceae), a new species from Bolivia
Vol 18, Page 1
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Innovations in Hibiscus and Kosteletzkya (Malvaceae, Hibisceae)
Vol 18, Page 4
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Impatiens rupestris (Balsaminaceae), a New Species from Hunan, China
Vol 18, Page 9
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A new species of Lophiaris (Orchidaceae, Oncidiinae), in the Lophiaris straminea complex
Vol 18, Page 12
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A new species of alkali grass (Puccinellia, Poaceae) from the western North American Arctic
Vol 18, Page 16
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Magnolia vazquezii (Magnoliaceae), una especie nueva del Estado de Guerrero, México
Vol 18, Page 21
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Haematoxylum sousanum (Leguminosae, Caesalpinioideae), una especie nueva del sur de México
Vol 18, Page 25
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A New Species of the Genus Hermas (Apiaceae) from South Africa
Vol 18, Page 29
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Validation of the Name Pararuellia Alata (acanthaceae)
Vol 18, Page 33
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Ctenitis Dianguiensis, a New Combination and the Recircumscription of Ctenitis subglandulosa (Pteridophyta, Dryopteriaceae)
Vol 18, Page 35
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Estudios en Labiatae VII. Salvia Yukoyukparum, Nueva Especie y Primer Representante de la Sección Tomentellae en Colombia
Vol 18, Page 38
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A new, diminutive, Mexican milkweed (Asclepias, Apocynaceae s.l.)
Vol 18, Page 43
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Lectotypification and synonymy in Hortia (Rutaceae)
Vol 18, Page 48
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Musa itinerans (Musaceae) and Its Intraspecific Taxa in China
Vol 18, Page 50
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Lectotypification of Sambucus chinensis (Caprifoliaceae) and a New Variety from Hunan, China
Vol 18, Page 61
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Two new species of Faramea (Rubiaceae, Coussareeae) from eastern Brazil
Vol 18, Page 67
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Goodyera dongchenii var. gongligongensis (Orchidaceae), a New Variety from Yunnan, China
Vol 18, Page 72
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Two new species of Psidium (Myrtaceae) from Bahia, Brazil
Vol 18, Page 74
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New combinations in the Pleurothallidinae (Orchidaceae) from the Southern Cone Region of South America
Vol 18, Page 78
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Three new creeping Peperomia species (Piperaceae) from Ecuador
Vol 18, Page 80
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New Boraginaceae from Tropical America 6: a new species of Varronia from Bolivia
Vol 18, Page 86
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A new species of Polygala (Polygalaceae) from Brazil
Vol 18, Page 90
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A new species of Castelnavia (Podostemaceae) from Tocantins, Brazil
Vol 18, Page 94
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New Combinations in Lychnis (Caryophyllaceae) from Africa
Vol 18, Page 99
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Nueva especie de Calceolaria (Calceolariaceae) del centro del Perú
Vol 18, Page 101
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Two new species of Cerastium (Caryophyllaceae) from the Equatorial Andes
Vol 18, Page 104
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A new species of Ceratozamia (Cycadales, Zamiaceae) from Veracruz, Mexico
Vol 18, Page 109
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A New Species of Bolbitis (Bolbitidaceae) from Hainan, China
Vol 18, Page 115
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A new species and three generic transfers in the fern genus Notholaena (Pteridaceae)
Vol 18, Page 120
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New Taxa of Pedicularis (Scrophulariaceae) from the Hengduan Mountains, Southwestern China
Vol 18, Page 125
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El incienso de Bolivia: una especie nueva de Clusia (Clusiaceae) de los bosques montanos del norte de La Paz, Bolivia
Vol 18, Page 130
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A New Species of Cardamine (Brassicaceae) from Hunan, China
Vol 18, Page 135
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Micranthes hitchcockiana (Saxifragaceae), a new combination for North America
Vol 18, Page 138
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A new species of Senna (Leguminosae, Caesalpinioideae) from eastern Brazil
Vol 18, Page 140
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Validation of the Name Anthurium loretense (Araceae)
Vol 18, Page 144
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Validation of the Name Anthurium nutibarense (Araceae)
Vol 18, Page 145
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New endemic species of Anthurium Araceae from RÃo Huallaga, Peru
Vol 18, Page 146
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Additions to Gladiolus (Iridaceae) in the Flora Zambesiaca Region: The New Species G. metallicola and the Reinstatement of G. mosambicensis
Vol 18, Page 164
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Three new species of Eleocharis (Cyperaceae) from the Andean páramos of Colombia and Ecuador
Vol 18, Page 168
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Piper giordanoi (Piperaceae): a new species from southeastern Brazil
Vol 18, Page 175
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Two new species of Baccharis (Asteraceae, Astereae) from southern Brazil
Vol 18, Page 178
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A new species of Dimeria (Poaceae, Panicoideae, Andropogoneae) from Goa, India
Vol 18, Page 183
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Cyperus limiticola, a New Name for a Madagascan Cyperus (Cyperaceae)
Vol 18, Page 187
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Especie nueva de Croton sección Eluteria (Euphorbiaceae) de Chiapas, México
Vol 18, Page 189
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Rosa carolina (Rosaceae) subspecies and hybrids in eastern and midwestern United States, Canada, and Mexico
Vol 18, Page 192
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Sinopora, A New Genus of Lauraceae from South China
Vol 18, Page 199
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Nomenclatural novelties and one new species in Orthosia (Apocynaceae, Asclepiadoideae)
Vol 18, Page 202
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Bouvardia borhidiana (Rubiaceae, Cinchonoideae), una nueva especie de la Sierra Madre del Sur, México
Vol 18, Page 211
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A new species of Parodia (Cactaceae, Notocacteae) from Rio Grande do Sul, Brazil
Vol 18, Page 214
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Three new varieties of Packera paupercula (Asteraceae, Senecioneae) in midwestern and southeastern North America
Vol 18, Page 220
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A New Polyploid Species of the Genus Tragopogon (Asteraceae, Cichorieae) from Russia
Vol 18, Page 229
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Setaria carinata (Poaceae, Paniceae): especie nueva de Venezuela
Vol 18, Page 233
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A new species of Lycianthes (Solanaceae) from the Pacific Region of Colombia
Vol 18, Page 237
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A new species of Parathesis (Myrsinaceae) from Colombia
Vol 18, Page 241
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Besleria beltranii (Gesneriaceae), a new species from Peru
Vol 18, Page 244
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Leucas sivadasaniana, a New Species of Lamiaceae (Leucas sect. Astrodon) from Peninsular India
Vol 18, Page 247
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Rubiacearum Americanarum Magna Hama Pars XX. New species of Faramea (Coussareae) from Central and South America
Vol 18, Page 251
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Chamaegastrodia nanlingensis (Orchidaceae), a New Species from Guangdong, China
Vol 18, Page 261
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Two New Species of Hedyotis (Rubiaceae: Hedyotideae) from Hainan, China
Vol 18, Page 264
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Hypoxis bampsiana subsp. tomentosa, a New African Taxon of Hypoxidaceae
Vol 18, Page 269
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A new species of Orinus from Qinghai, China
Vol 18, Page 275
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New or noteworthy Streptanthus (Brassicaceae) for the Flora of North America
Vol 18, Page 279
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Una especie nueva de Habranthus (Amaryllidaceae, Hippeastreae) para la Flora del Valle de Tehuacán-Cuicatlán
Vol 18, Page 283
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Polystichum manickamianum (Dryopteridaceae), a New Species from South India
Vol 18, Page 287
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A new Juncus Sect. Ozophyllum (Juncaceae) from peninsular Florida, U.S.A
Vol 18, Page 294
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New species, varieties, and combinations in Cuphea (Lythraceae) from Brazil
Vol 18, Page 298
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Two New Combinations in Syringa (Oleaceae) and Lectotypification of S. sweginzowii
Vol 18, Page 315
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Ilex guaramacalensis (Aquifoliaceae), a new species from the Ramal de Guaramacal in the Venezuelan Andes
Vol 18, Page 319
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Draba simmonsii (Brassicaceae), a new species of the D. micropetala complex from the Canadian Arctic Archipelago
Vol 18, Page 325
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Three New Species of Corydalis (Fumariaceae) from Northwestern Sichuan, China
Vol 18, Page 330
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Taxonomic Identity of Musa nagensium (Musaceae) in Southeast Asia
Vol 18, Page 336
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A New Species of Linaria Sect. Versicolores (Scrophulariaceae) from Iran
Vol 18, Page 340
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Plagiothecium shevockii (Plagiotheciaceae), a new species from Taiwan
Vol 18, Page 344
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A new species of Galactia (Fabaceae, Papilionoideae) from central Texas, U.S.A
Vol 18, Page 347
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Prockia oaxacana (Salicaceae), una especie nueva del Estado de Oaxaca, México
Vol 18, Page 351
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Una nueva especie de Marsdenia (Apocynaceae, Asclepiadoideae) de la Región de Chamela Cuixmala del Estado de Jalisco, México
Vol 18, Page 357
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Arthrostylidium berryi (Poaceae, Bambusoideae, Bambuseae, Arthrostylidiinae), a new species from white sand shrublands in Venezuela and Colombia
Vol 18, Page 361
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A new species of Leucheria (Asteraceae, Mutisieae) from Chile
Vol 18, Page 366
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Pusillanthus (Loranthaceae), a New Monotypic Genus from Venezuela
Vol 18, Page 370
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A New Combination in Piptochaetium (Poaceae, Stipeae) from Chile
Vol 18, Page 374
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A new rare species of Lobelia (Campanulaceae, Lobelioideae) from Mexican lowland rainforest
Vol 18, Page 378
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A New Name for Wasabia koreana (Brassicaceae) in South Korea
Vol 18, Page 384
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A new species of Simira (Rubiaceae, Simireae) from Rio de Janeiro, Brazil
Vol 18, Page 387
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A new shrub species from a dry forest of Puerto Rico, Reynosia vivesiana (Rhamnaceae)
Vol 18, Page 390
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Lectotypification of Myriophyllum oguraense (Haloragaceae)
Vol 18, Page 395
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A distrinctive new species of Ouratea (Ochnaceae) from the Jalapão Region, Tocantins, Brazil
Vol 18, Page 397
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Roegneria heterophylla, a New Combination for Roegneria (Poaceae, Triticeae) from Lebanon
Vol 18, Page 405
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Habenaria Pseudoglaucophylla (Orchidaceae), A New Species from Minas Gerais, Brazil
Vol 18, Page 409
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Neotypification of Agropyron Deweyi (Poaceae, Triticeae)
Vol 18, Page 415
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Neotypification of Roegneria Caucasica, The Type of Roegneria (Poaceae, Triticeae)
Vol 18, Page 418
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A New Threatened Species of Pandanaceae from Northwestern Madagascar, Pandanus sermolliana
Vol 18, Page 421
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A new species of Malaxis (Orchidaceae, Epidendroideae, Malaxideae) from the Venezuelan Andes
Vol 18, Page 425
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New species of Philodendron (Araceae) from Bajo Calima, Colombia
Vol 18, Page 429
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Two New Species With Pendulous Fruits in Hesperis (Brassicaceae) from South Anatolia, Turkey
Vol 18, Page 453
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A New Species of Draba (Brassicaceae) from North Anatolia, Turkey
Vol 18, Page 464
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New Species of Commelina (Commelinaceae) from East and South-Central Africa
Vol 18, Page 469
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Lectotypification of Allium Tel-Avivense (Liliaceae) Endemic to Israel
Vol 18, Page 480
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Neotypification of Rumex Aeroplaniformis (Polygonaceae) Endemic to Israel
Vol 18, Page 483
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Rubiacearum Americanarum Magna Hama Pars XXI. A New Species of Palicourea (Psychotrieae) from Costa Rica
Vol 18, Page 487
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A new species of Hampeella (Musci, Ptychomniaceae) from Queensland, Australia
Vol 18, Page 490
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Validation of Berberis Chunanensis (Berberidaceae), The Name of A Species Endemic to Zhejiang, Eastern China
Vol 18, Page 494
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Ceradenia itatiaiensis, a new species of Polypodiaceae from southeastern Brazil
Vol 18, Page 495
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A New Species of Microtropis (Celastraceae) from Xizang, China
Vol 18, Page 498
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New combinations for Arceuthobium aureum (Viscaceae) in Mexico and Central America
Vol 18, Page 501
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A new combination in Clinopodium (Lamiaceae) from Mesoamerica and Cuba
Vol 18, Page 508
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Four new species of Peruvian Gentianella (Gentianaceae)
Vol 18, Page 511
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A new species of Nama (Hydrophyllaceae) in Guatemala
Vol 18, Page 517
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Paneroa, a new genus of Eupatorieae (Asteraceae) from Mexico
Vol 18, Page 520
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Nomenclatural notes on Garcinia (Clusiaceae) from Madagascar and the Comoros
Vol 18, Page 524
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Asplenium badinii (Aspleniaceae), a new endemic fern species from Minas Gerais, Brazil
Vol 18, Page 538
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Nomenclatural Notes on The Fern Genus Elaphoglossum (Elaphoglossaceae) from China
Vol 18, Page 542
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Stenogyne Kauaulaensis (Lamiaceae), A New Species from Maui, Hawaiian Islands
Vol 18, Page 544
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A New Species of Paris (Melanthiaceae) from Northeastern Yunnan, China
Vol 18, Page 550
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Dioscorea Bulbifera var. Albotuberosa (Dioscoreaceae), A New Variety from Yunnan, China
Vol 18, Page 555