Search Results - "Denham, Silvia S"

Macroevolutionary trends and diversification dynamics in Atripliceae (Amaranthaceae s.l., Chenopodioideae): a first approach by Brignone, Nicolás F, Pozner, Raúl, Denham, Silvia S

“…Atripliceae evolved and diversified by dispersals and radiations across continents in both hemispheres, colonizing similar semi-arid, saline-alkaline…”
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Evolution of pollen morphology in Calyceraceae and insights into its early evolutionary differentiation by San Martin, Juca A B, Johnson, Leigh A, Denham, Silvia S, Pozner, Raúl

“…Pollen morphology has been a fundamental tool in the study of evolution and phylogeny in angiosperms. As sister to Asteraceae, Calyceraceae provides critical…”
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Spatial phylogenetics of grasses in the Southern Cone provides insights into ecology and evolution of the family in South America by Aagesen, Lone, Salariato, Diego L., Scataglini, María A., Acosta, Juan M., Denham, Silvia S., Delfini, Carolina

“…In this study, we explored the distributions of grass genera in the Southern Cone (SC) of South America, applying several phylogenetic diversity (PD) metrics…”
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Taxonomic Revision of Escallonia (Escalloniaceae) in Argentina by Sede, Silvana M., Denham, Silvia S.

“…A taxonomic revision of the genus Escallonia in Argentina, based on the study of herbarium specimens and field work, is presented. Descriptions, nomenclatural…”
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Using integrative taxonomy and multispecies coalescent models for phylogeny reconstruction and species delimitation within the “Nastanthus–Gamocarpha” clade (Calyceraceae) by Denham, Silvia S., Brignone, Nicolás F., Johnson, Leigh A., Pozner, Raúl E.

“…[Display omitted] •Diverse lines of evidence provide rationale for species delimitation.•Coalescent-based methods could be applied in a wide range of species…”
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Phylogeny of the Paniceae (Poaceae: Panicoideae): integrating plastid DNA sequences and morphology into a new classification by Morrone, Osvaldo, Aagesen, Lone, Scataglini, Maria A, Salariato, Diego L, Denham, Silvia S, Chemisquy, Maria A, Sede, Silvana M, Giussani, Liliana M, Kellogg, Elizabeth A, Zuloaga, Fernando O

“…Included in the PACMAD clade of the family Poaceae (Panicoideae, Arundinoideae, Chloridoideae, Micrairoideae, Aristidoideae, Danthonioideae), the tribe…”
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Species delimitation in Lippia section Goniostachyum (Verbenaceae) using the phylogenetic species concept by O'Leary, Nataly, Denham, Silvia S., Salimena, Fatima, Múlgura, María Ema

“…Lippia section Goniostachyum comprises plants distinguished by their numerous axillary florescences (three to six, sometimes up to nine) and tetrastichous…”
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Phylogeny of New World Paspalum (Poaceae, Panicoideae, Paspaleae) based on plastid and nuclear markers by Scataglini, María A, Zuloaga, Fernando O, Giussani, Liliana M, Denham, Silvia S, Morrone, Osvaldo

“…Phylogenetic analyses of 131 terminals of Paspalum and related genera, based on both plastid and nuclear markers, were performed under maximum parsimony and…”
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Morphology and Taxonomic Revision of Calycera by Denham, Silvia S, Gallo, Lucio Zavala, Pozner, Raúl E

“…This taxonomic treatment is the first in the genus Calycera based on a detailed study of morphology and a critical analysis of species boundaries. In this…”
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Parodiophyllochloa, a New Genus Segregated from Panicum (Paniceae, Poaceae) Based on Morphological and Molecular Data by Morrone, Osvaldo, Denham, Silvia S, Aliscioni, Sandra S, Zuloaga, Fernando O

“…Taxonomic features of species of Panicum, previously classified in section Cordovensia, subgenus Dichanthelium, of Panicum, are reviewed and compared with…”
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EL COMPLEJO SPOROBOLUS INDICUS (POACEAE, CHLORIDOIDEAE, ZOYSIEAE) EN LA ARGENTINA by Denham, Silvia S., Aliscioni, Sandra S.

“…The species in the Sporobolus indicus complex are analyzed for Argentina. Sporobolus indicus var. indicus and S. indicus var. andinus are recognized for…”
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Origin and evolution of Atriplex (Amaranthaceae s.l.) in the Americas: Unexpected insights from South American species by Brignone, Nicolás F., Pozner, Raúl E., Denham, Silvia S.

“…With ca. 300 species of herbs, shrubs and subshrubs adapted to saline or alkaline soils, the evolution of the genus Atriplex is key to understand the…”
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Insights into the phylogeny and evolutionary history of Calyceraceae by Denham, Silvia S., Zavala-Gallo, Lucio, Johnson, Leigh A., Pozner, Raúl E.

“…Calyceraceae is a small family with six traditionally recognized genera and 47 species from southern South America. Most species grow along the Andes (of both…”
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Species delimitation in the Sporobolus aeneus complex (Zoysieae, Chloridoideae, Poaceae) using the phylogenetic species concept by Denham, Silvia S., Aliscioni, Sandra S.

“…The "Sporobolus aeneus complex" constitutes a morphologically well-defined group of species with lax, exerted, pyramidal panicles with verticillate branches,…”
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(1803) Proposal to Conserve the Name Paspalum alcalinum against P. buckleyanum (Poaceae) by Denham, Silvia S.

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Species delimitation in Lippia section Goniostachyum (Verbenaceae) using the phylogenetic species concept: Lippia Section GOniostachyum by O'Leary, Nataly, Denham, Silvia S., Salimena, Fatima, Múlgura, María Ema

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Atypical foliar anatomy related to Kranz syndrome in Paspalum inaequivalve and Paspalum microstachyum (Poaceae: Panicoideae: Paniceae) by Aliscioni, Sandra S., Denham, Silvia S.

“…Paspalum L. is a large and complex genus, enclosing more than 300 species, whose boundaries and infrageneric classification are still being studied. Recent…”
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Estudios en el género Paspalum (Poaceae, Panicoideae, Paniceae): Paspalum denticulatum y especies afines 1 by Denham, Silvia S., Morrone, Osvaldo, Zuloaga, Fernando O.

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PASPALUM PUBIFLORUM AND P. QUADRIFARIUM (POACEAE) NEW TO CALIFORNIA, WITH A KEY AND NOTES ON INVASIVE SPECIES by Riefner, Richard E., Denham, Silvia S., Columbus, J. Travis

“…Paspalum pubiflorum and P. quadrijarium are reported for the first time for California. New records are also documented for P. vaginatum, which is invasive in…”
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Rachis of the genus Paspalum L. (Poaceae: Panicoideae: Paniceae): Anatomy and taxonomic significance of the primary branches of the inflorescences by Aliscioni, Sandra S., Denham, Silvia S.

“…Infrageneric classification of Paspalum is mainly based on characters of the inflorescence and spikelets. Some of the inflorescence characters usually used are…”
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