Are Margyricarpus and Lathraea both plants?
Lathraea Lathraea (toothwort) is a small genus of five to seven species of flowering plants, native to temperate Europe and Asia. They are parasitic plants on the roots of other plants, and are completely lacking chlorophyll. They are classified in the family Orobanchaceae.
Laetia Laetia is a genus of plant in family Salicaceae (formerly placed in Flacourtiaceae).