Question: Are Cassipourea and Mitella both flowering plants?

Context paragraphs:
Cassipourea: Cassipourea is a genus of flowering plants in the family Rhizophoraceae.  There are about 40 species.  The genus is divided into several subgenera, based mainly on the structure of the flowers.

Mitella: Mitella is a genus of flowering plants known as miterworts or bishop's caps.  "Mitella" species are native to temperate and arctic North America and Asia.

Supporting paragraphs: Cassipourea Mitella
Answer: yes