Aetheorhiza bulbosa subsp. microcephala Rech. f. in Phyton (Horn) 16: 217. 1974
Aetheorhiza bulbosa subsp. microcephala in Phyton (Horn) 16: 217. 1974
is basionym for Sonchus bulbosus subsp. microcephalus in Willdenowia 33: 237. 2003
Aetheorhiza bulbosa subsp. microcephala in Phyton (Horn) 16: 217. 1974