Anisopappus grangeoides (Vatke & Höpfner ex Klatt) Merxm. (original description)
Antiphiona Merxm. (original description)
Antiphiona fragrans (Merxm.) Merxm. (original description)
Antiphiona pinnatisecta (S.Moore) Merxm. (original description)
Felicia smaragdina (S.Moore) Merxm. (original description)
Helichrysum tomentosulum (Klatt) Merxm. (original description)
Lactuca hoepfneriana O.Hoffm. ex Merxm. accepted as Lactuca petrensis Hiern (original description)
Nicolasia stenoptera (O.Hoffm.) Merxm. (original description)
Pentatrichia avasmontana Merxm. accepted as Pentatrichia rehmii subsp. avasmontana (Merxm.) Klaassen & Kwembeya (original description)
Pentatrichia confertifolia Merxm. accepted as Pentatrichia avasmontana Merxm. accepted as Pentatrichia rehmii subsp. avasmontana (Merxm.) Klaassen & Kwembeya (original description)
Pentatrichia rehmii (Merxm.) Merxm. (original description)