The offspring of Montipora effusa are possible. Unfortunately, the number of offspring is not large enough to cover the demand of the trade. If you are interested in Montipora effusa, please ask your dealer for offspring. If you already own Montipora effusa, try breeding yourself. This will help to improve the availability of offspring in the trade and to conserve natural stocks.
Info from AIMS:
Characters: Colonies are submassive or form extensive, thick unifacial plates. Corallites are small and exsert, with elongate thecal papillae. The colony surface has a rough appearance.
Similar Species: Montipora patula has exsert corallites of similar size but papillae are less exsert. Montipora stilosa has more prominent coenosteum papillae.