EPHEDRACEAE (Joint-fir family)

Ephedra nevadensis S. Wats. Nevada jointfir [US; Utah; Kane County; T44S, R1W, S15; 4,320 feet][2.5 miles down the Paria River Canyon from its trailhead on Highway 89 (trailhead is thirteen miles west of Big Water, Utah); April 23, 1997; Collected & identified by Debby Denny & Chuck Walker; #UT02]

Ephedra torreyana S.Wats. var. torreyana Torrey�s jointfir [US; Arizona; Apache County; T11N, R28E, S9; 6,040 feet][hillside on west side of Lyman Lake Campground; May 23, 1996; Collected & identified by Chuck Walker; #AZ307]

Ephedra trifurca Torr. ex S.Wats. longleaf jointfir [US; Arizona; Cochise County; T10S, R28E, S21; 4,720 feet][along Leslie Canyon Road, fifteen miles east of McNeal; May 18, 1996; Collected & identified by Chuck Walker; #AZ281]