Agrostis - List of species, synonymy, and common names. Agrostis canina - Several photographs and some identifying features of Velvet Bent. Agrostis vinealis - Description and photograph of Brown Bent. Agrostis capillaris - Two photographs and some identifying features of Common Bent which used to be known as Agrostis tenuis. Agrostis gigantea - Several photographs and a description of this tall grass, Black Bent. Agrostis stolonifera - Several photographs and some identifying features of Creeping Bent.