Vol. 38 No. 1-2 (2000)

View Vol. 38 No. 1-2 (2000)

Anatomy and Morphology

Floral extranuptial nectaries in Bignoniaceae from Argentina

Guillermo L. Rivera

1-10
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Phytoliths of Poaceae from Argentina: III. Leaf phytoliths of some species of the genus Paspalum (Paniceae), from Entre Ríos province

Alejandro F. Zucol

11-32
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Ecology and Phytogeography

Variation of the plant diversity in a successional mosaic in the Andean Central Cordillera (Antioquia, Colombia)

Diego Giraldo-Cañas

33-42
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Palinology

Additions and precisions on the pollen morphology of Alvaradoa subovata (Simaroubaceae) and Roupala brasiliensis (Proteaceae)

Cecilia C. Xifreda, Andrea Mariel Sanso

43-45
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Systematics and Taxonomy of Plants

Poa durifolia and its relationship with the phenetic pattern of Poa section Dioicopoa (Poaceae)

Liliana M. Giussani, Elisa G. Nicora, Fidel A. Roig

47-57
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Synopsis of the species of Adesmia (Leguminosae, Papilionoideae) of Argentina

Emilio A. Ulibarri, Arturo Burkart

59-126
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Taxonomic revision of the North and South American species of the genus Bothriochloa (Poaceae: Panicoideae: Andropogoneae).

Andrea S. Vega

127-186
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Miscellany

OBITUARIO Warren Herb Wagner (1920 - 8/01/2000)

Elías R. De la Sota

46
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OBITUARIO Dr. Troels Myndel Pedersen (26/9/1916 - 5/2/2000)

Roberto Kiesling, E. Rosa Guaglianone

58
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