Chamaemelum arvense Rchb.f. ex Willk. (original description)
Chamaemelum maritimum (L.) Willk. accepted as Tripleurospermum maritimum (L.) W.D.J.Koch (original description)
Hymenostemma (Kunze) Kunze ex Willk. (original description)
Hymenostemma fontanesii Willk. accepted as Mauranthemum paludosum (Poir.) Vogt & Oberpr. (original description)
Hymenostemma paludosum Willk. (original description)
Hymenostemma pseudanthemis Kunze ex Willk. (original description)
Leucanthemum murcicum J.Gay ex Willk. (original description)
Otospermum Willk. (original description)
Otospermum glabrum (Lag.) Willk. (original description)
Phalacrocarpum (DC.) Willk. (original description)
Phalacrocarpum oppositifolium (Brot.) Willk. (original description)