ASU:Plants
ASU0074886 G. J. Imdorf 598 1992-04-11
United States, Arizona, Coconino, Oak Creek Canyon, off Hwy 89A ca. 1 mile N. of Slide Rock State Park, Near Junipine Resort., 35.0044 -111.735
ASU:Plants
ASU0074847 Edward Gilbert 727 2001-06-24
United States, Arizona, Coconino, Lower West Fork Canyon of Oak Creek, 9 miles N. of Sedona. About 1.5 miles upstream from canyon mouth along the trail; within northern section of Red Rock/Secret Mountain Wilderness., 34.9992 -111.755, 1646m
ASU:Plants
ASU0074848 Edward Gilbert 814 2001-08-29
United States, Arizona, Coconino, Lower West Fork Canyon of Oak Creek; northern section of Red Rock/Secret Mountain Wilderness. Just before 1 mile marker along trail, on edge of creek., 34.9964 -111.751, 1646m
ASU:Plants
ASU0074851 E. L. Smith 488 1973-07-22
United States, Arizona, Coconino, West Fork of Oak Creek, Oak Creek Canyon., 35.0174 -111.781, 1768m
ASU:Plants
ASU0074850 Don LaVenture 1965-06-00
United States, Arizona, Coconino, Bright Angel Creek at Phantom Ranch at Grand Canyon., 36.0993 -112.095, 762m
TEX
Equisetum × ferrissii
TEX00339887 Richard D. Worthington 3238 1978-08-27
United States, Texas, El Paso, 1.2 mi. E jct. TX 260 and Borderland Rd. and 0.3 mi. W of Borderland Bridge over Rio Grande., 31.8875 -106.6
TEX
Equisetum × ferrissii
TEX00339890 Larry Milliger 35 1963-09-06
United States, Texas, Jeff Davis, Buffalo Trail, Little Aguja Canyon, Davis Mountains.
TEX
Equisetum × ferrissii
TEX00339892 Mary L. Butterwick|Stuart Strong 957 1975-06-14
United States, Texas, Presidio, Locally abundant in pools throughout Chorro Canyon and Arroyo Primero, a tributary of Fresno Creek, on the Big Bend Ranch.
TEX
Equisetum × ferrissii
TEX00420806 Campbell W. Pennington 207 1955-05-08
Mexico, Chihuahua, Allende, Valle de Allende
TEX
Equisetum × ferrissii
TEX00470316 William R. Carr 34769 2015-05-05
United States, Texas, Fort Bend, NE side of Red Gully, ca. 0.1-0.2 mi. SE of bridge on Old Richmond Rd, Cullinan Park in Sugar Land., 29.63314 -95.67197
TEX
TEX00518156 Sue Carnahan|Jim Verrier 2342 2017-04-12
United States, Arizona, Santa Cruz, Josephine Canyon, southern Santa Rita Mtns, Coronado National Forest; 4.7 km S and 2.5 km W of Mt Wrightson summit., 31.65422 -110.87305
TEX
TEX00521113 Albert N. Steward 7478 1958-10-18
United States, Oregon, Jefferson, 3 miles west of Camp Sherman., 44.460378 -121.702039
TEX
TEX00521114 Henry M. Pollard s.n. 1958-12-19
United States, California, Santa Barbara, Sycamore Canyon Creek south of Stanwood Drive, Santa Barbara.
TEX
Equisetum × ferrissii
TEX00559620 George Yatskievych|Adam Black 19-040 2019-06-13
United States, Texas, Blanco, Roberson property, W of Middle Ridge and S of Long Mountain, E of Road FM 310 (Allmaus Davis Road) at E end of Comanche Creek Road, ca. 17 air miles WSW of Marble Falls., 30.45811 -98.530639
BRITWORK:BRITWORK
Equisetum × ferrissii Clute
BRITWORK10612 E. Whitehouse 17328 1946-10-12
United States, Texas, Tarrant, Lake Worth, west side near the Casino on Highway 199.
TAES
TAES0001591 Richard R. Halse 5828 2000-07-02
United States, Oregon, Benton, Along Smith Loop Road south of Corvallis, east side of State Hwy. 99W, 72m
BRIT
BRIT49531 John Taylor 24733 1977-07-02
United States, Oklahoma, Cherokee, Bottomland adjacent to Illinois River at Arrowhead Camp, 15 miles NE of Tahlequah.
BRIT
BRIT470885 Wallis, Charles S. 7672 1958-07-20
United States, Oklahoma, Mayes, Spavinaw Creek at Spavinaw on State 82.
BRIT
BRIT470884 Robert Pearce 1334 1964-06-24
United States, Oklahoma, Grady, 4.5 miles northeast of Alex.
BRIT
BRIT470883 Charles S. Wallis 7372 1958-06-14
United States, Oklahoma, Cherokee, Below McSpadden Falls, 7.8 mi. NE of Tahlequah on State 10.
BRITTRAIN:BRITTRAIN
Equisetum × ferrissii Clute
BRITTRAIN10596 J. Quayle 749 2004-05-18
United States, Texas, Parker, Mineral Wells, Texas Air National Guard Training Base, Fort Wolters, TA 4, east side of Rock Creek; 1/4 mi S of tank crossing., 277m
