Allen - 177 - United States
Correll - 21842 - United States
Cutler - 1852 - United States
Cutler - 1853 - United States
Cutler - 1854 - United States
Cutler - 1855 - United States
Cutler - 1856 - United States
Cutler - 1857 - United States
Cutler - 1858 - United States
Cutler - 1859 - United States
Cutler - 1879 - United States
Cutler - 1881 - United States
Cutler - 1920 - United States
Cutler - 1924 - United States
Cutler - 1942 - United States
Cutler - 1943 - United States
Cutler - 1951 - United States
Cutler - 1952 - United States
Cutler - 1980 - United States
Cutler - 1982 - United States
Cutler - 622 - United States
Demaree - 50890 - United States
Eggert - s.n. - United States
Ephedra trifurca
Moore - 3083 - United States
Moore - 3287 - United States
Muenscher - 14485 - United States
Muenscher - 14524 - United States
Mulford - 187a - United States
Mulford - 189 - United States
Palmer - 30989 - United States
Parry - s.n. - United States
Ricketson - 404-22A - United States
Tracy - 66 - United States
Warnock - 10338 - United States
Waterfall - 6644 - United States