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Diatom flora of Paso de las Piedras impounding, Buenos Aires Province IV: Order Centrales
Vol 54, Page 1
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Maireana Moq. A new genus for the flora of Chile (Desventuradas Islands)
Vol 54, Page 15
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Ruderal flora of the old Ovejeria dump (Osorno, Chile)
Vol 54, Page 19
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Astragalus johnstonii sp. nov. (Fabaceae) and the relationship with A. verticillatus (Phil.) Reiche complex
Vol 54, Page 31
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Abundance and relative frequency of the Oomycetes in Santiago River and affluents (Buenos Aires, Argentina)
Vol 54, Page 39
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Light attenuation in the water column in Chascomus Pond (Argentina)
Vol 54, Page 53
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Leaf anatomy and abaxial epidermis from the American species of Danthonia DC and Rytidosperma Steud (Poaceae)
Vol 54, Page 61
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Valerianella rimosa Bastard (Valerianaceae), weed from the South of Chile
Vol 54, Page 89