Seeds from Besseya Wyomingensis, or more commonly know as Wyoming Besseya, is a forb herb a forb herb is a non-woody plant that is not a grass of the genus Besseya. Its duration is perennial which means it will grow year after year. Besseya Wyomingensis or Wyoming Besseyas floral region is North America US Lower 48, specifically in the states of Colorado, Idaho, Montana, Nebraska, South Dakota, Utah and Wyoming. Zones 3 to 8. Perennial