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Phylogeny of the Paniceae (Poaceae: Panicoideae): integrating plastid DNA sequences and morphology into a new classification
Included in the PACMAD clade of the family Poaceae (Panicoideae, Arundinoideae, Chloridoideae, Micrairoideae, Aristidoideae, Danthonioideae), the tribe Paniceae s.l. is one of the largest tribes of… Expand
Biodiversity characterization of cellulolytic bacteria present on native Chaco soil by comparison of ribosomal RNA genes.
Sequence analysis of the 16S ribosomal RNA gene was used to study bacterial diversity of a pristine forest soil and of two cultures of the same soil enriched with cellulolytic bacteria. Our analysis… Expand
Phylogenetic Studies in the Paniceae (Poaceae): a Realignment of Section Lorea of Panicum
Abstract The taxonomic status of Panicum section Lorea has remained as “incertae sedis” within Panicum. To resolve its position within the Paniceae and to test the monophyly of this section,… Expand
Phylogeography and palaeodistribution modelling in the Patagonian steppe: the case of Mulinum spinosum (Apiaceae)
Aim An integrative study of the endemic, yet ubiquitous, Patagonian shrub Mulinum spinosum (Apiaceae) was performed: (1) to assess the historical processes that influenced its geographical pattern… Expand
Phylogenese Studies in the Paniceae (Poaceae-Panicoideae): Ocellochloa, a New Genus from the New World
Abstract The present contribution continues a critical revision of Panicum, particularly with the delimitation of “incertae sedis” taxa. A phylogenetic analysis of Paniceae based on cpDNA sequence… Expand
Phylogeny of Nassella (Stipeae, Pooideae, Poaceae) Based on Analyses of Chloroplast and Nuclear Ribosomal DNA and Morphology
Abstract The genus Nassella, as currently circumscribed, includes 116–117 American species. It is characterized by florets with a strongly convolute lemma, a conspicuous or inconspicuous crown, and… Expand
Chromosome Studies in American Paniceae (Poaceae, Panicoideae)1
Abstract Chromosome numbers and meiotic behavior of 60 individuals of American Paniceae, Poaceae, are provided, including six previously uncounted species: Axonopus andinus G. A. Black (2n = 20),… Expand
Oncorachis and Sclerochlamys, two new segregated genera from Streptostachys (Poaceae, Panicoideae, Paniceae): a revision based on molecular, morphological and anatomical characters.
Generic boundaries of the South American genus Streptostachys (five species) are explored and compared with allied genera of the tribe Paniceae. On the basis of morphological, anatomical and… Expand
Mycorrhizal compatibility and symbiotic reproduction of Gavilea australis, an endangered terrestrial orchid from south Patagonia
- S. Fracchia, A. Aranda-Rickert, E. Flachsland, G. Terada, S. Sede
- Biology, Medicine
- 30 April 2014
Gavilea australis is a terrestrial orchid endemic from insular south Argentina and Chile. Meeting aspects of mycorrhizal fungi identity and compatibility in this orchid species is essential for… Expand