霉草属（学名：Sciaphila）是霉草科下的一个属，为腐生小草。该属共有50种，分布于热带地区。

Sciaphila is a genus of parasitic flowering plants in the family Triuridaceae. It is widespread in tropical and subtropical regions, found in Africa, China, Japan, the Indian Subcontinent, Southeast Asia, Latin America (from southern Mexico to Brazil) and on various islands Pacific Islands.