-
Diatom flora of Paso de las Piedras impounding, Buenos Aires Province IV: Order Centrales
Vol 54, Page 1, Date 1997
-
Maireana Moq. A new genus for the flora of Chile (Desventuradas Islands)
Vol 54, Page 15, Date 1997
-
Ruderal flora of the old Ovejeria dump (Osorno, Chile)
Vol 54, Page 19, Date 1997
-
Astragalus johnstonii sp. nov. (Fabaceae) and the relationship with A. verticillatus (Phil.) Reiche complex
Vol 54, Page 31, Date 1997
-
Abundance and relative frequency of the Oomycetes in Santiago River and affluents (Buenos Aires, Argentina)
Vol 54, Page 39, Date 1997
-
Light attenuation in the water column in Chascomus Pond (Argentina)
Vol 54, Page 53, Date 1997
-
Leaf anatomy and abaxial epidermis from the American species of Danthonia DC and Rytidosperma Steud (Poaceae)
Vol 54, Page 61, Date 1997
-
Valerianella rimosa Bastard (Valerianaceae), weed from the South of Chile
Vol 54, Page 89, Date 1997