]> Botany [collector note: Kansas: GH] Brooks, Ralph Edward, McGregor, Ronald Leighton & Hauser, Larry Brooks, Ralph Edward, McGregor, Ronald Leighton & Hauser, Larry R. E. Brooks, R. L. McGregor & L. A. Hauser Ralph Edward Brooks, Ronald Leighton McGregor & Hauser, Larry Brooks, R. E., McGregor, R. L. & Hauser, L. A.