Stellamaris pergrata is a species of flowering plant in the family Orchidaceae, native to Costa Rica, Panama and Colombia. It was first described by Oakes Ames in 1923 as Pleurothallis pergrata. It is the only species in the monotypic genus Stellamaris. The genus is one of a number established within subtribe Pleurothallidinae in 2018 as a result of a molecular phylogenetic study.