3 1COW POS ITI . 3. sonchoides. f 2 nvolücrüm eceptacülum appus Herb^ CHILLENSTS. 1 1808. p.
Nova genera et species plantarum quas in peregrinatione orbis novi collegerunt, descripserunt, partim adumbraverunt Amat. Bonpland et Alex. de Humboldt Tomus IV
To see the actual publication please follow the link above