Omalotheca is a genus of flowering plants in the family Asteraceae.
[3][2] It is commonly known as arctic cudweed.
[4][5] There is some disagreement about which species should be included in Omalotheca.
Some or all of the species are sometimes included in Gnaphalium.
[6] As of April 2023[update], Plants of the World Online accepted the following species:[7]