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Systematic Botany is the scientific journal of the American Society of Plant Taxonomists and publishes four issues per year.

2011 Impact Factor: 1.517

2011 ISI Journal Citation Reports® Rankings: 87/190 - Plant Sciences

34/45 - Evolutionary Biology

Publisher: American Society of Plant Taxonomists

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Volume 37, Number 2, April-June 2012

Research Article

Taxonomy and Phylogeny of Andina (Pottiaceae, Bryophyta): a New Moss Genus from the Tropical Andes
pp. 293-306(14)
Authors: Jiménez, Juan A.; Cano, María J.; Jiménez, Juan F.

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Riella heliospora (Riellaceae) a New Monoicous Species of Riella Subgenus Trabutiella from California
pp. 307-319(13)
Authors: Segarra-Moragues, José Gabriel; Puche, Felisa; Sabovljević, Marko

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A Phylogenetic Investigation of Botrychium s. s. (Ophioglossaceae): Evidence from Three Plastid DNA Sequence Datasets
pp. 320-330(11)
Authors: Hauk, Warren D.; Kennedy, Larkin; Hawke, Heather M.

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Not so Neotropical After all: the Grammitid Fern Genus Leucotrichum (Polypodiaceae) is also Paleotropical, as Revealed by a New Species from Madagascar
pp. 331-338(8)
Authors: Rouhan, Germinal; Labiak, Paulo H.; Randrianjohany, Emile; Rakotondrainibe, France

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Galactodenia, a New Genus of Grammitid Ferns Segregated from Terpsichore (Polypodiaceae)
pp. 339-346(8)
Authors: Sundue, Michael A.; Labiak, Paulo H.; Mostacero, Julián; Smith, Alan R.

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A New Species of Lockhartia (Orchidaceae) from Colombia
pp. 347-351(5)
Authors: Kolanowska, Marta; Pérez E., Oscar A.

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A New Species of Psilochilus (Triphoreae, Orchidaceae) from Colombia
pp. 352-355(4)
Authors: Kolanowska, Marta; Szlachetko, Dariusz L.

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Open Access A Comparative Study of the Inflorescence in the Genus Carex (Cyperaceae)
pp. 365-381(17)
Authors: Molina, Ana; Acedo, Carmen; Llamas, Félix

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Systematics and Taxonomy of Carex sect. Ceratocystis (Cyperaceae) in Europe: A Molecular and Cytogenetic Approach
pp. 382-398(17)
Authors: Jiménez-Mejías, Pedro; Martín-Bravo, Santiago; Luceño, Modesto

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A New Polyploid Species of Mimosa (Leguminosae, Mimosoideae) from the Highlands of Southern Brazil
pp. 399-403(5)
Authors: Morales, Matías; Ribas, Osmar S.; Santos-Silva, Juliana

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The Genera Aganope, Derris, and Paraderris (Fabaceae, Millettieae) in Thailand
pp. 404-436(33)
Authors: Sirichamorn, Y.; Adema, F. A. C. B.; van Welzen, P. C.

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Mimosa foreroana (Leguminosae, Mimosoideae), a New Species from Nariño, Colombia
pp. 437-441(5)
Authors: Santos-Silva, Juliana; de Azevedo Tozzi, Ana Maria Goulart

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Open Access Phylogenetics of Morus (Moraceae) Inferred from ITS and trnL-trnF Sequence Data
pp. 442-450(9)
Authors: Nepal, Madhav P.; Ferguson, Carolyn J.

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Dorstenia romaniucii (Moraceae), a New Species from the Brazilian Atlantic Rain Forest
pp. 451-455(5)
Authors: Machado, Anderson Ferreira Pinto; Filho, Marcelo Dias Machado Vianna

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Phylogeny of Celastraceae Subfamilies Cassinoideae and Tripterygioideae Inferred from Morphological Characters and Nuclear and Plastid Loci
pp. 456-467(12)
Authors: Simmons, Mark P.; Bacon, Christine D.; Cappa, Jennifer J.; McKenna, Miles J.

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The Genus Stylogyne (Myrsinoideae - Primulaceae) in Brazil
pp. 478-489(12)
Authors: Carrijo, Tatiana Tavares; de Fátima Freitas, Maria; Peixoto, Ariane Luna

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Two New Shrubby Species of the Genus Staelia (Rubiaceae) from Serra do Curral Frio, Bahia, Brazil
pp. 507-515(9)
Authors: Salas, Roberto Manuel; Cabral, Elsa L.

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Taxonomic Revision of Trichogonia (Eupatorieae, Asteraceae): a South American Genus
pp. 525-553(29)
Authors: Roque, Nádia; Bautista, Hortensia Pousada; Costa da Mota, Aline

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Broad Polyphyly in Pleurospermum s. l. (Umbelliferae-Apioideae) as Inferred from nrDNA ITS and Chloroplast Sequences
pp. 573-581(9)
Authors: Valiejo-Roman, Carmen M.; Terentieva, Elena I.; Pimenov, Michael G.; Kljuykov, Eugene V.; Samigullin, Tahir H.; Tilney, Patricia M.

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