Malacothamnus fasciculatus is a species of flowering plant in the mallow family, which has four varieties.

[1] Four varieties are recognized in Malacothamnus fasciculatus, which can be difficult to distinguish morphologically but are mostly distinct geographically.

catalinensis and Malacothamnus fasciculatus var.

nesioticus are geographically isolated on islands.

laxiflorus intergrade where their ranges meet.