Genus
Nassella (Tussockgrasses)
Nassella pulchra. Photo: (c) marckelley, some rights reserved (CC BY-NC)
Nassella, or needlegrass, is a New World genus of over 100 perennial bunchgrasses found from North America through South America. The Latin word nassa refers to “a basket with a narrow neck”. It is usually considered segregate from the genus Stipa and includes many New World species formerly classified in that genus. As of 2011, The Jepson Manual includes Nassella within Stipa.
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