Anthemis ascendes Larrañaga (original description)
Anthemis biseta Larrañaga (original description)
Anthemis diffusa Larrañaga (original description)
Anthemis diffussa Larrañaga (original description)
Bidens ingrata Larrañaga (original description)
Cacalia portulacoides Larrañaga (original description)
Carduus segetum Larrañaga (original description)
Chondrilla uniflora Larrañaga (original description)
Erigeron domesticus Larrañaga (original description)
Erigeron trifidus Larrañaga (original description)
Eupatorium dichotomum Larrañaga (original description)
Eupatorium fissifolium Larrañaga (original description)
Eupatorium multiflorum Larrañaga (original description)
Eupatorium pentaflorum Larrañaga (original description)
Eupatorium quadriflorum Larrañaga (original description)
Eupatorium saluberrimum Larrañaga (original description)
Eupatorium saxatile Larrañaga (original description)
Gnaphalium pauciflorum Larrañaga (original description)
Gnaphalium radicans Larrañaga (original description)
Gnaphalium subulatum Larrañaga (original description)
Hieracium integrifolium Larrañaga (original description)
Hypochaeris erectus Larrañaga (original description)
Hypochaeris procumbens Larrañaga (original description)
Hypochaeris sichorioides Larrañaga (original description)
Kleinia suffructicosa Larrañaga (original description)
Molina ovatifolia Larrañaga (original description)
Molina scelerata Larrañaga (original description)
Molina suburvara Larrañaga (original description)
Molina venosa Larrañaga (original description)
Senecio arenarius Larrañaga (original description)
Senecio glaber Larrañaga (original description)
Senecio oenequifolius Larrañaga (original description)
Senecio parviflorus Larrañaga (original description)
Senecio trifidus Larrañaga (original description)
Senecio viscosissimus Larrañaga (original description)
Solidago bonaerensis Larrañaga (original description)
Soliva radicans Larrañaga (original description)
Sonchus spinosus Larrañaga (original description)
Tagetes chinchilla Larrañaga (original description)
Tussilago lanosa Larrañaga (original description)