Resumen

ARIZA ESPINAR, Luis. Taxonomic notes on Senecioneae (Asteraceae) from Argentina. Bol. Soc. Argent. Bot. [online]. 2007, vol.42, n.3-4, pp.329-332. ISSN 1851-2372.

Some novelties have arisen through the analysis of the nomenclatural types during the study of tribe Senecioneae from Central Argentina. They are: 1.- Senecio pinnatus var. tenuisectus Griseb.: it was based upon 4 specimens which belong respectively, one to Senecio pinnatus Poir., two to S. pampeanus Cabrera, and the remaining to S. pampeanus fo. serratus Cabrera; 2 a .- Senecio gilliesianus Hieron. was based upon a specimen belonging to Senecio pampeanus Cabrera; 2b.- Senecio gilliesianus var. glaberrima Hieron. is a synonym of Senecio pinnatus Poir.; 3.- Senecio pampeanus fo. serratus Cabrera, is a synonym of S. pampeanus fo . pampeanus ; 4.- Werneria denticulata Blake is accepted as a synonym of W. pygmaea Gill. ex Hook. et Arn. as it was suggested by Rockhausen (1939), while the argentinean material identified under W. denticulata belongs to W. cochlearis Griseb.

Palabras clave : Senecio; Werneria; Senecioneae; Asteraceae; Argentina.

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