Erigeron philippii var. tragopogonoides (Vierh.) Skottsb. & J.Rousseau accepted as Erigeron myosotis Pers. (original description)
Heterothalamus tenellus var. austropatagonicus Skottsb. accepted as Baccharis tenella Hook. & Arn. (original description)
Leucheria candidissima f. subintegra Skottsb. (original description)
Nassauvia glomerulosa f. paradoxa Skottsb. (original description)
Nassauvia glomerulosa f. struthionum (Phil.) Skottsb. accepted as Nassauvia glomerulosa (Lag. ex Lindl.) D.Don (original description)
Nassauvia glomerulosa f. typica Skottsb. (original description)
Nassauvia lagascae f. typica Skottsb. (original description)
Nassauvia lagascae var. globosa Skottsb. (original description)