Cirsium acantholepis (Hemsl.) Petr. (original description)
Cirsium chrismarii (Klatt) Petr. accepted as Cirsium horridulum Michx. (original description)
Cirsium excelsius (B.L.Rob.) Petr. (original description)
Cirsium imbricatum (B.L.Rob. ex B.L.Rob. & Greenm.) Petr. (original description)
Cirsium lomatolepis (Hemsl.) Petr. (original description)
Cirsium pinnatisectum (Klatt) Petr. (original description)
Cirsium portoricense (Kuntze) Petr. (original description)
Cirsium pringlei (S.Watson) Petr. (original description)
Cirsium rhaphilepis (Hemsl.) Petr. (original description)
Cirsium tolucanum (B.L.Rob. & Seaton) Petr. (original description)
Cirsium velatum (S.Watson) Petr. (original description)