Chaptalia crassiuscula Urb. (original description)
Chaptalia ekmanii Urb. (original description)
Chaptalia leptophylla Urb. (original description)
Chaptalia nipensis Urb. (original description)
Ciceronia Urb. (original description)
Ciceronia chaptalioides Urb. (original description)
Erigeron capillipes Ekman ex Urb. (original description)
Erigeron libanensis Urb. (original description)
Erigeron paucilobus Urb. (original description)
Feddea Urb. (original description)
Feddea cubensis Urb. (original description)
Harnackia Urb. (original description)
Harnackia bisecta Urb. (original description)
Xanthium saccharatum subsp. eusaccharatum Widder (original description)
Xanthium wallrothii Widder (original description)