Catalogue › FlowersSilkgrass (Pityopsis)Every species of the genus Pityopsis in the catalogue.Pineland silkgrass (Pityopsis aspera)Sickleleaf silkgrass (Pityopsis falcata)Zigzag silkgrass (Pityopsis flexuosa)Narrowleaf silkgrass (Pityopsis graminifolia)Grassleaf goldaster (Pityopsis oligantha)Taylor County goldaster (Pityopsis pinifolia)Ruth's goldaster (Pityopsis ruthii)