Search Results — 822 specimen records retrieved (538 records with coordinates)
Results for search: Scientific name=Equisetum arvense (including nomenclatural synonyms);   More information: Jepson Online Interchange

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 Please cite data retrieved from this page: Data provided by the participants of the Consortium of California Herbaria (ucjeps.berkeley.edu/cch_archive/).
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? Specimen ID Determination * Collector Collection Date Collection Number County Locality Elevation in meters Feedback
  BFRS24 Image available Equisetum arvense Peter Rubtzoff 1972-10-26 7047 El Dorado Blodgett Forest: East Fork Gaddis Creek north of Mutton Creek Road crossing (Comp. 460E) Comment
  CAS-BOT-BC126665  Equisetum arvense Dana York; Jim Shevock; Dan Norris 1996-5-5 692 Fresno Ca. 72 km E of Fresno (FSC), Sequoia National Forest, Huckleberry Meadow 1980 Comment
  CAS-BOT-BC166768  Equisetum arvense Peter Rubtzoff 1978-4-2 9153 San Mateo Saddle area on north side of Guadalupe Canyon Parkway, west of Radio Road junction. Comment
  CAS-BOT-BC166922  Equisetum arvense Peter Rubtzoff 1976-3-14 8444 San Mateo Saddle area on north side of Guadalupe Canyon Parkway, west of Radio Road junction, upper part of East Fork Colma Creek Canyon. Comment
  CAS-BOT-BC229714  Equisetum arvense A. Howald; J. Dela Cruz; Z. Beltz; et al. 2012-8-25 1454 Marin Marin Municipal Water District Lands: Mount Tamalpais. Off Ridgecrest Blvd., on Laurel Dell Fire Rd. near culvert LD-17.3. Comment
  CAS-BOT-BC30223  Equisetum arvense Bruce Bartholomew 1989-7-14 4927 Modoc Along Rush Creek between Lower and Upper Rush Creek Campgrounds. 1580 Comment
  CAS-BOT-BC30224  Equisetum arvense Alice Eastwood; John Thomas Howell 1940-6-13 8182 Modoc E side of Cedar Pass. Comment
  CAS-BOT-BC30225  Equisetum arvense Elmer Ivan Applegate 1932-7-7 8226 Modoc Above Lily Lake, Bidwell Pass, Warner Mountains. Comment
  CAS-BOT-BC56934  Equisetum arvense F M Cota 1932-7-1 340 San Diego Deer Creek, Cuyamaca Mts 1219 Comment
  CAS-BOT-BC56935  Equisetum arvense Street; Durant 1918-5-12 s.n. Riverside San Jacinto River Canyon Comment
  CAS-BOT-BC56936  Equisetum arvense Geo. Hansen 1893-4-1 433 Amador Agrc. Station 609 Comment
  CAS-BOT-BC56937  Equisetum arvense Geo. Hansen 1893-4-1 685 Amador Agrc. Station 609 Comment
  CAS-BOT-BC56938  Equisetum arvense Ira L. Wiggins 1971-5-28 21329 Tuolumne north side of North Fork of Tuolumne River, between North Fork Road and Brown's Meadow 1402 Comment
  CAS-BOT-BC56939  Equisetum arvense Anna Head 1906-6-1 s.n. Mariposa Yosemite Valley Comment
  CAS-BOT-BC56941  Equisetum arvense Alice Eastwood 1912-6-15 s.n. Butte Deer Park, Lake Tahoe Region Comment
  CAS-BOT-BC56942  Equisetum arvense Margaret Williams 1974-8-8 74 -P1-6 Placer Murphy's Meadow, 5 miles southeast of Hirschdale 2316 Comment
  CAS-BOT-BC56943  Equisetum arvense Ella Dales Cantelow 1941-5-16 3639 Nevada Near n. shore of Donner Lake Comment
  CAS-BOT-BC56944  Equisetum arvense John Thomas Howell 1949-7-29 25889 Tulare Little Whitney Meadows 2590 Comment
  CAS-BOT-BC56947  Equisetum arvense John Thomas Howell 1974-7-8 50476 Lassen Susanville 1295 Comment
  CAS-BOT-BC56948  Equisetum arvense John Thomas Howell; Gordon H. True; Margaret Williams 1973-6-28 49463 Lassen Elysian Valley, west of Janesville 1325 Comment
  CAS-BOT-BC56949  Equisetum arvense Saichi Kawahara 1969-5-25 909 Placer Henderson Ranch, Indian Creek 987 Comment
  CAS-BOT-BC56950  Equisetum arvense Louella Bass 1973-6-17 EU- 121 Lassen Elysian Valley 1325 Comment
  CAS-BOT-BC56952  Equisetum arvense Geo. B. Grant 1906-7-15 6981 Placer Tahoe Tavern, Lake Tahoe 1889 Comment
  CAS-BOT-BC56953  Equisetum arvense Barbe 1957-7-13 373 Siskiyou Big Flat Public Camp, Klamath National Forest 1524 Comment
  CAS-BOT-BC56957  Equisetum arvense Brian Atwater 1978-8-18 BA- 50 San Joaquin inside a meander of Old River; between Quinby Island and Franks Tract Comment
  CAS-BOT-BC56959  Equisetum arvense Edward Lee 1934-8-13 1077 Siskiyou Happy Camp - Waldo (Oregon) Road, Watershed of West Branch of Indian Creek, Klamath Nat. For. 1371 Comment
  CAS-BOT-BC56960  Equisetum arvense Peter H. Raven 1953-7-14 5664 Fresno Mills Creek 3048 Comment
  CAS-BOT-BC56967  Equisetum arvense John Thomas Howell 1960-8-22 36391 Shasta Hat Lake 1950 Comment
  CAS-BOT-BC56969  Equisetum arvense John Thomas Howell 1960-8-18 36053 Tehama Bluff Falls 1981 Comment
  CAS-BOT-BC56970  Equisetum arvense Henry M. Pollard 1944-9-1 s.n. Humboldt Near Orleans Comment
  CAS-BOT-BC56975  Equisetum arvense L. R. Abrams; R. Bacigalupi 1922-6-27 8392 Del Norte 1 mi south of Crescent City Comment
  CAS-BOT-BC56976  Equisetum arvense Carl B. Wolf 1927-8-21 760 Mendocino Along the Redwood Highway 10 miles north of Cummings Comment
  CAS-BOT-BC56977  Equisetum arvense Peter Rubtzoff 1959-8-22 4229 Mendocino South Fork Eel River in Edward R. Hickey State Pk. Comment
  CAS-BOT-BC56979  Equisetum arvense Emily McPherson; Edwin McPherson, Jr. 1974-9-29 I- 20 Nevada Gray Creek between Murphy Meadows and the Truckee River, southeast of Hirschdale 2072 Comment
  CAS-BOT-BC56980  Equisetum arvense Gordon H. True 1961-8-27 185 Nevada G. H. True Ranch, 7 miles southeast of Grass Valley on McCourtney Road 548 Comment
  CAS-BOT-BC56981  Equisetum arvense Gordon H. True 1964-5-20 1404 Nevada Bear Valley about 20 miles east of Nevada City, on NC-Truckee Highway 1386 Comment
  CAS-BOT-BC56984  Equisetum arvense Gordon H. True; John Thomas Howell 1971-5-24 6556 Nevada South Fork of Yuba River ca. 1 mi. below Washington 792 Comment
  CAS-BOT-BC56985  Equisetum arvense Gordon H. True; John Thomas Howell 1967-8-17 3854 Nevada Sagehen Creek Wildlife and Fisheries Station of the University of California 1981 Comment
  CAS-BOT-BC56988  Equisetum arvense Gordon H. True; Barbara Trowbridge 1977-7-25 8278 Nevada Independence Lake Watershed Comment
  CAS-BOT-BC56990  Equisetum arvense John Thomas Howell 1959-9-22 34855 Plumas Drakesbad 1737 Comment
  CAS-BOT-BC56991  Equisetum arvense John Thomas Howell 1960-7-19 35661 Plumas Drakesbad 1828 Comment
  CAS-BOT-BC56992  Equisetum arvense John Thomas Howell 1962-6-17 37658 Plumas Butterfly Valley 1036 Comment
  CAS-BOT-BC56993  Equisetum arvense Walter Knight; Irja Knight; John Thomas Howell; Gordon True 1967-5-7 1875 Plumas in Butterfly Valley proper 1036 Comment
  CAS-BOT-BC56994  Equisetum arvense John Thomas Howell 1976-7-15 51856 Plumas Snake Lake, about 4 miles northwest of Quincy 1219 Comment
  CAS-BOT-BC56995  Equisetum arvense Walter Knight; Irja Knight; John Thomas Howell 1966-7-27 1395 Plumas At edge of Pond Reservoir 1097 Comment
  CAS-BOT-BC56996  Equisetum arvense Walter Knight; Irja Knight 1966-6-18 1360 Plumas Near Pond Reservoir, Butterfly Valley 1097 Comment
  CAS-BOT-BC56997  Equisetum arvense John Thomas Howell 1961-6-21 36631 Plumas Greenville 1097 Comment
  CAS-BOT-BC56998  Equisetum arvense Mary Strong Clemens 1920-4-7 s.n. Plumas Greenville Comment
  CAS-BOT-BC57000  Equisetum arvense E. K. Balls 1950-8-31 15532 Plumas Hwy. 24, 1 mile north of Spanish Creek, just north of Quincy 1097 Comment
  CAS-BOT-BC57001  Equisetum arvense Mrs. E. C. Sutliffe 1917-8-1 s.n. Plumas Gold Lake Region Comment
  CAS-BOT-BC57002  Equisetum arvense Alice Eastwood 1918-5-25 7056 Plumas Portola Comment
  CAS-BOT-BC57004  Equisetum arvense John Thomas Howell 1959-9-21 34765 Plumas Bars of N. Fork of Feather River near Belden 701 Comment
  CAS-BOT-BC57005  Equisetum arvense John Thomas Howell; Gordon True; Walter Knight; Irja Knight 1967-7-10 2171 Plumas Mouth of Butterfly Creek 883 Comment
  CAS-BOT-BC57006  Equisetum arvense John Thomas Howell 1955-7-18 30728 Plumas Mohawk 1371 Comment
  CAS-BOT-BC57007  Equisetum arvense John Thomas Howell 1977-6-21 52385 Plumas Seneca 1097 Comment
  CAS-BOT-BC57010  Equisetum arvense Henry M. Pollard 1944-8-12 s.n. Mono Lake Mary 2743 Comment
  CAS-BOT-BC57012  Equisetum arvense Jack Major; Samuel A. Bamberg 1962-8-24 1447 Mono on Lake Mildred flat; Convict Creek Basin, Sierra Nevada 3048 Comment
  CAS-BOT-BC57013  Equisetum arvense Beatrice Willard 1945-6-15 155 Mono west side of Twin Lakes, Mammoth Lakes area, Inyo National Forest 2560 Comment
  CAS-BOT-BC57016  Equisetum arvense John Thomas Howell; T. C. Fuller; G. D. Barbe 1981-8-11 54469 Mono near Convict Creek, west end of Convict Lake 2316 Comment
  CAS-BOT-BC57017  Equisetum arvense John Thomas Howell 1947-7-22 23482 San Bernardino South Fork, Santa Ana River, San Bernardino Mts. 2225 Comment
  CAS-BOT-BC57018  Equisetum arvense S. B. Parish 1891-3-15 s.n. San Bernardino City Creek Comment
  CAS-BOT-BC57019  Equisetum arvense S. B. Parish 1905-2-1 s.n. San Bernardino Mill St., Vicinity of San Bernardino 762 Comment
  CAS-BOT-BC57020  Equisetum arvense S. B. Parish 1896-2-1 4075 San Bernardino Lythe Cr. Mill st. vicinity of San Bernardino 457 Comment
  CAS-BOT-BC57021  Equisetum arvense S. B. Parish 1892-2-1 s.n. San Bernardino Mill st. and Lythe Creek, near San Bernardino Comment
  CAS-BOT-BC57022  Equisetum arvense S. B. Parish 1915-6-25 10553 San Bernardino Victorville Comment
  CAS-BOT-BC57023  Equisetum arvense John Thomas Howell 1957-9-16 32963 San Francisco Strybing Arboretum, Golden Gate Park Comment
  CAS-BOT-BC57026  Equisetum arvense Peter Rubtzoff 1957-3-17 3138 San Francisco San Miguel Hills, bottom of canyon east of O'Shaughnessy Blvd. Comment
  CAS-BOT-BC57029  Equisetum arvense Walter Knight; Irja Knight 1964-5-30 s.n. San Mateo Colma Canyon Comment
  CAS-BOT-BC57032  Equisetum arvense G. L. Smith 1959-6-19 1200 Sierra Clark Sta., 3 mi. below Yuba Pass, David Snyder summer home 1889 Comment
  CAS-BOT-BC57033  Equisetum arvense John Thomas Howell 1969-9-13 46110 Sierra Little Truckee River near outlet of Webber Lake 2042 Comment
  CAS-BOT-BC57034  Equisetum arvense D. E. Breedlove 1962-6-13 3531 Sierra on bank of the Little Truckee River, on State Highway 89, 11.3 miles south of Sierraville; Sierra Nevada 1905 Comment
  CAS-BOT-BC57035  Equisetum arvense D. E. Breedlove 1962-6-13 3531 Sierra on bank of the Little Truckee River, on State Highway 89, 11.3 miles south of Sierraville; Sierra Nevada 1905 Comment
  CAS-BOT-BC57037  Equisetum arvense Peter Rubtzoff 1954-6-6 1467 Sonoma Guerneville Marsh Comment
  CAS-BOT-BC57039  Equisetum arvense Peter Rubtzoff 1956-9-14 2872 Sonoma Vacation Beach, near Guerneville, on Russian River bottom Comment
  CAS-BOT-BC57040  Equisetum arvense Peter Rubtzoff 1960-6-9 4477 Sonoma Laguna de Santa Rosa area northeast of Graton, near the Laguna Road Comment
  CAS-BOT-BC57041  Equisetum arvense Peter Rubtzoff 1952-5-10 1023 Sonoma Eastern branch of the Upper Marsh Comment
  CAS-BOT-BC57042  Equisetum arvense Peter Rubtzoff 1959-6-20 4183 Sonoma Willow Creek Marsh Comment
  CAS-BOT-BC57044  Equisetum arvense John H. Thomas 1976-6-15 18324 Sonoma Southern end of Sea Ranch, northwestern part of county, about 7 miles south of Gualala 30 Comment
  CAS-BOT-BC57046  Equisetum arvense Peter Rubtzoff 1962-4-18 4800 Sonoma Laguna de Santa Rosa area northeast of Graton, east of Laguna Road Comment
  CAS-BOT-BC57047  Equisetum arvense Peter Rubtzoff 1958-4-26 3601 Sonoma Laguna de Santa Rosa east of Sebastopol Comment
  CAS-BOT-BC57048  Equisetum arvense Peter Rubtzoff 1958-8-16 3879 Sonoma Laguna de Santa Rosa north of Sebastopol (nr. Occidental Road) Comment
  CAS-BOT-BC57052  Equisetum arvense Ernest C. Twisselmann 1968-6-25 14397 Tulare Bull Run Creek above Tyler Meadow 1981 Comment
  CAS-BOT-BC57053  Equisetum arvense Ernest C. Twisselmann 1968-6-25 14397 Tulare Bull Run Creek above Tyler Meadow 1981 Comment
  CAS-BOT-BC57054  Equisetum arvense Ernest C. Twisselmann 1970-6-24 16761 Tulare Manter Creek about 2.5 miles east of Manter Meadow 2109 Comment
  CAS-BOT-BC57055  Equisetum arvense Ernest C. Twisselmann 1964-8-20 10097 Tulare Powderhorn Meadow 2171 Comment
  CAS-BOT-BC57056  Equisetum arvense Ernest C. Twisselmann 1964-8-20 10097 Tulare Powderhorn Meadow 2171 Comment
  CAS-BOT-BC57058  Equisetum arvense Ernest C. Twisselmann 1962-9-19 7819 Tulare Fish Creek in Troy Meadow, Kern Plateau 2316 Comment
  CAS-BOT-BC57059  Equisetum arvense Ernest C. Twisselmann 1967-9-21 13935 Tulare Fish Creek at the mouth of the canyon below Troy Meadow 2240 Comment
  CAS-BOT-BC57063  Equisetum arvense Ernest C. Twisselmann; Eben McMillan; John Nicoll 1968-8-12 14796 Tulare South Fork of the Kern River at Monache Meadow 2438 Comment
  CAS-BOT-BC57066  Equisetum arvense Ernest C. Twisselmann; Eben McMillan; Liberto R. Nathan; Robert Burkhart 1971-8-31 18234 Tulare Soda Flat 1670 Comment
  CAS-BOT-BC57067  Equisetum arvense Ernest C. Twisselmann; Donald J. Bedell; Eben McMillan; Liberto R. Nathan 1970-7-27 17111 Tulare Templeton Meadow: Movie Stringer above the old Templeton Cow Camp 2657 Comment
  CAS-BOT-BC57068  Equisetum arvense Jim Shevock 1970-5-23 222 Tulare Lloyd Mdws. Basin 1691 Comment
  CAS-BOT-BC57069  Equisetum arvense Jim Shevock 1970-5-30 248 Tulare On Freeman Creek, Lloyd Mdw. Basin, Tulare 1524 Comment
  CAS-BOT-BC57070  Equisetum arvense M. S. Jussel 1930-6-27 s.n. Tuolumne Camp Baxter, North Fork of the Stanislaus River 1706 Comment
  CAS-BOT-BC57071  Equisetum arvense Peter H. Raven 1955-7-26 8411 Tulare Kern River between mouth of Big Arroyo and Tower Rock 1950 Comment
  CAS-BOT-BC57072  Equisetum arvense John Thomas Howell 1950-7-24 26872 Tulare Bakeoven Meadows, South Fork of Kern River 2468 Comment
  CAS-BOT-BC57073  Equisetum arvense John Thomas Howell 1942-7-24 17092 Tulare Mineral King 2377 Comment
  CAS-BOT-BC57074  Equisetum arvense John Thomas Howell 1940-7-30 15715 Tulare East Lake 2926 Comment
  CAS-BOT-BC57075  Equisetum arvense John Thomas Howell 1940-7-31 15779 Tulare East Lake 2926 Comment
  CAS-BOT-BC57076  Equisetum arvense John Thomas Howell 1962-5-22 37360 Tulare Johnsondale 1423 Comment
  CAS-BOT-BC57077  Equisetum arvense John Thomas Howell; Gordon H. True 1967-9-19 43836 Tulare Flood-plain of Kern River South Fork, Kennedy Meadows Campground, Kern Plateau 1859 Comment
  CAS-BOT-BC57078  Equisetum arvense John Thomas Howell; Gordon H. True 1970-6-24 46767 Tulare Canyon of Manter Creek, Manter Meadow to White Dome, Kern Plateau 2042 Comment
  CAS-BOT-BC57079  Equisetum arvense John Thomas Howell; Gordon H. True 1966-7-13 41904 Tulare Canyon of Poison Meadow Creek on Cherry Hill Road, Kern Plateau 2194 Comment
  CAS-BOT-BC57080  Equisetum arvense John Thomas Howell; Gordon H. True 1967-7-3 42856 Tulare Rockhouse Meadow, Kern Plateau 1706 Comment
  CAS-BOT-BC57081  Equisetum arvense John Thomas Howell; Gordon H. True 1966-7-11 41757 Tulare Horse Meadow, Kern Plateau 2255 Comment
  CAS-BOT-BC57082  Equisetum arvense Joseph M. Keefe 1973-6-30 13 -568 Tulare along Lost Trout Creek, on trail from Casa Vieja to Long Canyon, Inyo National Forest 2560 Comment
  CAS-BOT-BC57083  Equisetum arvense Culbertson 1904-8-29 4558 Tulare Mineral King Comment
  CAS-BOT-BC57901  Equisetum arvense Ernest C. Twisselmann 1972-9-22 19201 Kern Poso Creek 1 mi. w. of Glennville. 914 Comment
  CAS-BOT-BC57902  Equisetum arvense Louis C. Wheeler 1933-7-7 1919 Los Angeles Lexington Wash near El Monte. 73 Comment
  CAS-BOT-BC57903  Equisetum arvense John Thomas Howell 1945-5-20 20876 Marin Tiburon. Comment
  CAS-BOT-BC57905  Equisetum arvense John Thomas Howell 1946-4-14 21612 Marin Near Tomales. Comment
  CAS-BOT-BC57906  Equisetum arvense John Thomas Howell 1944-5-28 19516 Marin Between Manzanita and Almonte. Comment
  CAS-BOT-BC57908  Equisetum arvense John Thomas Howell 1947-6-4 23218 Marin Pt. Reyes Peninsula. Comment
  CAS-BOT-BC57911  Equisetum arvense John Thomas Howell 1944-3-26 19340 Marin Inverness. Comment
  CAS-BOT-BC57914  Equisetum arvense John Thomas Howell 1941-6-29 16338 Marin Between Rock Spring and Laurel Hill, Mt. Tamalpais. Comment
  CAS-BOT-BC57915  Equisetum arvense John H. Thomas 1953-5-2 3041 Santa Cruz Along Robak Drive, about 1/2 mi. n. of La Selva Beach (Robroy). 15 Comment
  CAS-BOT-BC57916  Equisetum arvense John H. Thomas 1950-4-15 1533 Santa Cruz Along Pajaro River, just inside of county line in se corner of county. 30 Comment
  CAS-BOT-BC57917  Equisetum arvense John H. Thomas 1953-2-8 2752 Santa Cruz Rancho del Oso. Along Waddell Creek, about 2 mi. from the coast. 45 Comment
  CAS-BOT-BC57918  Equisetum arvense John H. Thomas 1950-4-16 1571 A Santa Cruz Pajaro River at Watsonville. Comment
  CAS-BOT-BC57920  Equisetum arvense V. F. Hesse 1959-4-7 2578 Santa Cruz San Lorenzo River bed at Boulder Creek. 144 Comment
  CAS-BOT-BC57921  Equisetum arvense V. F. Hesse 1959-4-7 2578 Santa Cruz San Lorenzo River bed at Boulder Creek. 144 Comment
  CAS-BOT-BC57926  Equisetum arvense John Thomas Howell 1958-5-27 33502 Inyo Bishop Creek. 2133 Comment
  CAS-BOT-BC57927  Equisetum arvense John Thomas Howell 1947-8-13 24054 Inyo Big Pine Creek Trail. 2895 Comment
  CAS-BOT-BC57931  Equisetum arvense Enid A. Larson 1971-5-12 s.n. Inyo Division Creek, n. of Independence. 1767 Comment
  CAS-BOT-BC57935  Equisetum arvense John Thomas Howell 1962-9-22 38759 Kern Kern Co. Park, Greenhorn Mountains. 1828 Comment
  CAS-BOT-BC57936  Equisetum arvense John Thomas Howell 1962-9-23 38818 Kern N. of Tiger Flat, Greenhorn Mountains. 2133 Comment
  CAS-BOT-BC57937  Equisetum arvense John Thomas Howell 1970-9-22 47264 Kern Along Kern River between Kernville and River Kern. 822 Comment
  CAS-BOT-BC57938  Equisetum arvense John Thomas Howell 1962-7-11 38592 Kern Shirley Meadows, Greenhorn Mountains. 2011 Comment
  CAS-BOT-BC57939  Equisetum arvense John Thomas Howell 1976-5-18 51709 Kern Near Alta Sierra, along old road drom Alta Sierra to Wofford Heights, Greenhorn Mountains. 1828 Comment
  CAS-BOT-BC57942  Equisetum arvense Ernest C. Twisselmann 1962-9-18 7746 Kern Mountain Meadow, e. slope of Sunday Peak, the Greenhorn Range. 2164 Comment
  CAS-BOT-BC57943  Equisetum arvense Ernest C. Twisselmann 1962-9-18 7746 Kern Mountain Meadow, e. slope of Sunday Peak, the Greenhorn Range. 2164 Comment
  CAS-BOT-BC57947  Equisetum arvense Ernest C. Twisselmann 1965-10-1 11656 Kern Cedar Creek, just below the mouth of Lumreau Creek, The Greenhorn Range. 792 Comment
  CAS-BOT-BC57948  Equisetum arvense Evalyn L. Farnsworth 1964-5-24 109 Kern Cedar Creek, about 1.5 mi. below the mouth of Lumreau Creek. 1036 Comment
  CAS-BOT-BC57949  Equisetum arvense John Thomas Howell 1962-7-11 38592 Kern Shirley Meadows, Greenhorn Mountains. 2011 Comment
  CAS-BOT-BC57950  Equisetum arvense Betty J. Hammerly 1953-7-30 565 Kern At Kern County Park, ne. summit of Greenhorn Mt. 1889 Comment
  CAS-BOT-BC57951  Equisetum arvense John Thomas Howell 1943-7-27 18886 El Dorado Silver Fork of American River. 1432 Comment
  CAS-BOT-BC57956  Equisetum arvense John Thomas Howell 1958-7-22 33778 Fresno Simpson Meadow, Middle Fork of the Kings River, Sierra Nevada. 1828 Comment
  CAS-BOT-BC57957  Equisetum arvense John Thomas Howell 1960-6-6 35358 Fresno Kings Canyon near Granite Creek, Sierra Nevada. 1524 Comment
  CAS-BOT-BC57958  Equisetum arvense John Thomas Howell 1948-7-22 24904 Fresno Bubbs Creek Canyon in vicinity of Vidette Meadows. 3048 Comment
  CAS-BOT-BC57959  Equisetum arvense John Thomas Howell 1940-7-28 15634 Fresno Bubbs Creek, near Sphinx Creek. Comment
  CAS-BOT-BC57961  Equisetum arvense J. Von Loh 1978-6-28 60364 A Fresno Near Shaver Lake, near power plant. 1676 Comment
  CAS-BOT-BC57962  Equisetum arvense Peter H. Raven 1953-8-8 6114 Fresno Vermillion Valley. 2346 Comment
  CAS-BOT-BC57963  Equisetum arvense L. Beane; C. Quibell; R. S. Ferris 1950-6-25 1855 Fresno At road branch to Boggy Meadow, Mono Creek, Sierra National Forest. 2407 Comment
  CAS-BOT-BC57965  Equisetum arvense W. R. Dudley 1900-8-9 3143 Fresno Long Meadow - ne. of Gen. Grant National Park. Comment
  CAS-BOT-BC57967  Equisetum arvense Carl B. Wolf 1929-5-5 3698 Fresno W. slope of Sierra nevada, Shaver Lake. 1615 Comment
  CAS-BOT-BC57969  Equisetum arvense E. C. Twisselmann 1969-9-10 16072 A Fresno Mono Hot Springs. 1977 Comment
  CAS-BOT-BC57970  Equisetum arvense Javier Penalosa 1961-8-13 2034 Fresno Cedar Grove Campground, S. Fork of the Kings River drainage. 1402 Comment
  CAS-BOT-BC57973  Equisetum arvense Peter H. Raven 1952-7-18 4434 Fresno N. Goddard Creek. 2590 Comment
  CAS-BOT-BC57975  Equisetum arvense Peter H. Raven 1956-7-28 9919 Inyo Sawmill Creek. 2468 Comment
  CAS-BOT-BC57989  Equisetum arvense John Thomas Howell 1964-10-24 41023 Alpine E. Fork of Carson River, 2 mi. se. of Markleeville. 1706 Comment
  CAS-BOT-BC57992  Equisetum arvense John Thomas Howell 1961-9-22 36717 Butte Bank of Feather River, Oroville. 53 Comment
  CAS-BOT-BC57993  Equisetum arvense Lowell Ahart 1987-8-3 5847 Butte Along the N. Fork of the Feather River, near the Poe Power House, about 2 mi. se. of Jarbo Gap. 271 Comment
  CAS-BOT-BC57994  Equisetum arvense E. B. Copeland 1930-6-28 402 Butte Jonesville. 457 Comment
  CAS-BOT-BC57995  Equisetum arvense E. B. Copeland 1930-6-28 402 Butte Jonesville. 457 Comment
  CAS-BOT-BC57996  Equisetum arvense E. B. Copeland 1930-6-28 402 Butte Jonesville. 457 Comment
  CAS-BOT-BC57999  Equisetum arvense John Thomas Howell 1963-7-9 39652 El Dorado Near foot of Echo Summit grade, 1 mi. sw. of Meyers. 2011 Comment
  CAS-BOT-BC65211  Equisetum arvense Dana Adrian York; Dan Norris; James R. Shevock 1996-5-4 668 Fresno Ca 82 km E of Fresno, 3 km E of Lockwood Grove, Monarch Wilderness, Sequoia National Forest. Redwood Creek drainage. 1665 Comment
  CAS-BOT-BC65212  Equisetum arvense Dana Adrian York 1996-5-4 671 Fresno Ca 83 km E of Fresno, 4 km E of Lockwood Grove, Monarch Wilderness, Sequoia National Forest. Windy Gulch Drainage. 1690 Comment
  CDA14810  Equisetum arvense G. D. Barbe, J. T. Howell, T. C. Fuller 1981-8-11 3444 Mono N shore Convict Lake between northeastern and western ends of the lake. 2316 Comment
  CHSC11  Equisetum arvense 1954-5-30 Butte By Rag Dump 5, Kimshew Falls, near Stirling. 975 Comment
  CHSC112093  Equisetum arvense L. P. Janeway 2014-7-15 11541 Plumas Northern High Sierra Nevada. Plumas National Forest; Happy Valley, about 6.4 air-km northeast of Cromberg; along Long Valley Creek in the southwest corner of Happy Valley (the lower corner of the meadow complex). 1717 Comment
  CHSC113677  Equisetum arvense L. P. Janeway 2014-5-28 11274 Sierra Northern High Sierra Nevada. Plumas National Forest; Placer Diggings along Pine Grove Creek, just north of Pine Grove Cemetery, 0.8 air-km northwest of Howland Flat. 1646 Comment
  CHSC11940  Equisetum arvense E. B. Copeland 1930-6-28 402 Butte Jonesville. 1500 Comment
  CHSC12451  Equisetum arvense Robert W. Severin 1969-6-26 41 Lassen 7.2 mi along road from E. L. B. S. to Galatin Beach, 3 mi s of E. L. B. S. 1645 Comment
  CHSC12494  Equisetum arvense Carol Weld 1969-6-26 46 Lassen 7.8 miles S. W. of Eagle Lake Field Station. 1584 Comment
  CHSC20899  Equisetum arvense M. S. Taylor 1975-8-31 891 Butte On Ernies Island, in Butte Creek, ca. 50 ft s of Humboldt Rd, ca. 1/2 mi e of Butte Meadows. 609 Comment
  CHSC24281  Equisetum arvense K. R. Stern 1975-7-24 Plumas E side of Lake Almanor. Comment
  CHSC24505  Equisetum arvense M. S. Taylor 1975-5-30 623 Monterey Below Hwy 1 overpass, ca. 1 mi s of Carmel. 0 Comment
  CHSC25287  Equisetum arvense M. S. Taylor 1977-7-15 1423 Butte Along w branch of the Feather River, ca 1 mi e of the Skyway, ca. 1 mi n of Magalia. 677 Comment
  CHSC25739  Equisetum arvense John Steiner 1977-6-30 82 Lassen Along Hat Creek at the n end of Paradise Meadow. Lassen Volcanic National Park. 2134 Comment
  CHSC25751  Equisetum arvense John Steiner 1977-6-9 68 Tehama 1.1 km n Battle Creek and 1.5 km e Martin Creek. 1489 Comment
  CHSC28508  Equisetum arvense M. S. Taylor; J. D. Jokerst 1979-10-13 2251 Butte By creek crossing Jordan Hill Rd (Ponderosa Way on some maps), ca. 0.8 mi n of its jct with Concow Rd, ca. 5 mi e of Paradise. 426 Comment
  CHSC31267  Equisetum arvense F. T. Griggs; A. Pass 1975-7-17 228 Plumas Buck's Lake Forest Service Survey. Comment
  CHSC33823  Equisetum arvense M. S. Taylor; M. Foster 1981-6-2 3829 Plumas Entering Greenhorn and Estray Creeks, w side of Williams Loop, ca. 0.2 mi s of Spring Garden overpass on Hwy 70, ca. 7.5 mi se of Quincy. 1188 Comment
  CHSC33938  Equisetum arvense M. S. Taylor 1981-7-21 4088 Plumas Ca. 0.5 mi n of jct 401 and 25N42, ca. 3 mi n of Spring Garden. 1371 Comment
  CHSC35949  Equisetum arvense M. S. Taylor 1982-5-13 4439 Plumas On the n edge of Spanish Creek, Gansner Park, Quincy. 1036 Comment
  CHSC38234  Equisetum arvense Vernon Oswald 1983-6-2 602 Butte Upper Bidwell Park, Chico, near the east boundary of the park. 207 Comment
  CHSC42750  Equisetum arvense Lowell Ahart 1987-8-3 5847 Butte Along the North Fork of the Feather River, near the Poe Power House, about 2 miles south-east of Jarbo Gap. 271 Comment
  CHSC43305  Equisetum arvense Lowell Ahart 1964-7-3 11 Placer In the middle of the Middle Fork of the American River, about 1 1/2 miles north of Ahart Camp, about 2 miles north of French Meadows Reservoir. 1676 Comment
  CHSC43309  Equisetum arvense Lowell Ahart 1977-4-17 1312 Yuba About 1 mile south of Challenge, about 1 1/2 miles west of Pike County Peak. 548 Comment
  CHSC43330  Equisetum arvense Lowell Ahart 1966-5-15 15 Sierra Near Pass Creek, in French Meadows, about 2 miles north-west of Webber Lake. 2133 Comment
  CHSC44621  Equisetum arvense Vernon Oswald 1984-4-16 1154 Butte Doon Campground on the Skyway, 1.0 mi e of Coutolenc Rd. at Lovelock. 853 Comment
  CHSC44623  Equisetum arvense Vernon Oswald 1984-4-16 1155 Butte Doon Campground on the Skyway, 1.0 mi e of Coutolenc Rd. at Lovelock. 853 Comment
  CHSC55649  Equisetum arvense K. R. Stern 1985-6-25 8195 Plumas Vicinity of Blairsden. 1402 Comment
  CHSC56962  Equisetum arvense Steven Triano; Stefani Eiben 1988-5-7 155 Tehama Behind Mineral General Store. 1536 Comment
  CHSC57330  Equisetum arvense S. R. Mitchelson 1987-4-12 9 Tehama Ca 10 m n of jct of N. Fork of Antelope Creek and Deadhorse Creek. 940 Comment
  CHSC57792  Equisetum arvense Vernon H. Oswald; Lowell Ahart 1992-5-6 4934 b Plumas Terminal Geyser Creek just upstream from the trail between Willow Lake and Terminal Geyser. 1658 Comment
  CHSC59249  Equisetum arvense Thomas J. Van Wagner 1992-4-11 14 Nevada Large population adjacent to Squirrel Creek, 5m upstream from North Ponderosa Way crossing, 2 side creek, ca. 5km w of Grass Valley. 665 Comment
  CHSC6  Equisetum arvense R. Morford 1931-5-16 Plumas Humbug Valley swamp. 1310 Comment
  CHSC63794  Equisetum arvense S. C. Morey 1983-8-1 664 Butte Chico Meadows. On e side of Scout Rd., ca. 1 mi n of its jct with Humboldt Rd. at Butte Meadows. 1292 Comment
  CHSC63795  Equisetum arvense S. C. Morey 1983-7-23 594 Butte Cherry Hill Meadow. On the n side of Humboldt Rd., ca. 3.2 mi e of Butte Meadows. 1414 Comment
  CHSC66067  Equisetum arvense Vernon H. Oswald 1996-5-22 7618 Butte U. S. Fish and Wildlife Service parcel between 7 Mile Lane and the Sacramento River. Sacramento River National Wildlife Refuge, Llano Seco Unit. 30 Comment
  CHSC66286  Equisetum arvense Lowell Ahart 1996-6-28 7686 Plumas About 1/2 mile south-west of the Feather Fork Mine, about 1 mile north-east of Little Grass Valley Reservoir, about 5 miles (air) north of La Porte. 1676 Comment
  CHSC66368  Equisetum arvense Vernon H. Oswald; Lowell Ahart 1996-6-17 7821 Lassen Modoc Plateau. Bizz Johnson Trail accessed at Devils Corral Trailhead located off of Hwy. 36 ca. 7 mi W of Susanville. On the edge of a pool at the 6.0 mile post E of Devils Corral Trailhead. 1420 Comment
  CHSC69983  Equisetum arvense L. P. Janeway; Eric Schroder 1997-6-26 5168 Nevada Tahoe National Forest. Small headwaters meadow on a tributary of Texas Creek; about 1.0 mi west of Bowman Mountain and 0.8 mi north of Loney Meadow. 1898 Comment
  CHSC72866  Equisetum arvense L. P. Janeway; Eric Schroder, Katherine Murrell, Marcus Yee 1998-7-15 5766 Placer Lake Tahoe Basin Management Unit - National Forest. North side of Blackwood Creek, 1.7 mi west of Lake Tahoe. 1938 Comment
  CHSC73128  Equisetum arvense L. P. Janeway; Eric Schroder 1998-9-16 6334 Placer Lake Tahoe Basin Management Unit. About half way between Buck Lake and McKinney Creek; about 2.2 mi southwest of Lake Tahoe. 2124 Comment
  CHSC74054  Equisetum arvense Susi Urie 1998-8-13 98 -039 Placer Lake Tahoe Basin--National Forest. Meadow along the south side of Ward Creek, 1.5 mi west of Lake Tahoe and Sunnyside. 2097 Comment
  CHSC74177  Equisetum arvense Susi Urie; Eric Schroder 1998-9-12 98 -364 Placer Lake Tahoe Basin--National Forest. Meadow along the south side of Ward Creek, 1.6 mi west of Lake Tahoe and Sunnyside. 1987 Comment
  CHSC77514  Equisetum arvense Heidi West; Caroline Warren, Jenny Marr 1998-8-27 Tehama Vicinity of Red Bank Creek and Sunflower Gulch. 289 Comment
  CHSC8326  Equisetum arvense Edward L. Smith 1957-6-23 8 El Dorado Located at the mouth of Glen Alpine creek, Fallen Leaf Lake. 2133 Comment
  CHSC8405  Equisetum arvense Edward L. Smith 1958-6-20 474 Madera Located at the Miami River Ranger Station. 1524 Comment
  CHSC90110  Equisetum arvense John Rowden 2001-4-1 17 Mendocino In campsite on south east corner of MacKerricher State Park campground. 6 Comment
  CHSC9134  Equisetum arvense Terril Wolt 1970-3-10 6 Butte Ca. 500 ft. W. of public boat launch on River Rd., 8 mi. W. of Chico. Comment
  CHSC94421  Equisetum arvense Lowell Ahart 2006-8-22 13211 Colusa North side and under the bridge across Stony Creek, just north of Stonyford. 347 Comment
  CHSC96297  Equisetum arvense R. Fischer 2006-5-12 908 Shasta Ahjumawi Lava Springs State Park, 3 miles N. of McArthur, on the western edge of the Modoc Plateau. Plants collected along the eastern shore, north end, of Big Lake on the edge of a grassy meadow. 1007 Comment
  CLARK-A1528-24  Equisetum arvense Ruth Cooper 1952-9-12 635 f Riverside Riverside Comment
  GMDRC4826  Equisetum arvense J. Andre, T. La Doux 2006-7-1 15277 Inyo Eastern Sierra Nevada: Big Pine Canyon; along Big Pine Creek at private cabin 3 mi. east of Glacier Lodge cabins 2088 Comment
  GMDRC7151  Equisetum arvense J. M. Andre 2012-7-18 31894 Mono Eastern Sierra Nevada: along June Lake Loop at south end of Grant Lake 2199 Comment
  HSC102004  Equisetum arvense M. R. Mesler, Robin Bencie, K. A. Wayman, Sydney Carothers 2011-7-12 905 Humboldt Rustic Camp, northwest of Patterson Meadows 1512 Comment
  HSC34222  Equisetum arvense J. P. Smith 1974-5-25 7406 Siskiyou Along Rd. 8, 0.9 mi. from its junction with Hwy. 3 976 Comment
  HSC368  Equisetum arvense William J. Ferlatte 1966-8-6 381 Trinity Big Flat 1524 Comment
  HSC44045  Equisetum arvense Thomas W. Nelson, Jane Nelson 1977-7-1 3551 Humboldt Along N side of ridge between Bear and Blanket Creeks. 1494 Comment
  HSC46090  Equisetum arvense J. P. Smith 1971-10-9 5014 Humboldt Banks and flood plain of the Mad River above the fish hatchery. Comment
  HSC54078  Equisetum arvense Overton 1979-7-17 8139 Trinity Near Horse Ridge, close to the town of Mad River. 1356 Comment
  HSC54782  Equisetum arvense Gilbert Muth 1979-7-24 10406 Del Norte Near High Plateau Creek, close to the town of Gasquet 305 Comment
  HSC60046  Equisetum arvense M. A. Baker 1978-5-6 508 Humboldt 2 km. W of Weitchpec along Klamath River. Comment
  HSC61024  Equisetum arvense Jimerson, J. Pageau 1979-8-10 723 Humboldt Near Tish Tang A Tang Ridge, close to the town of Hoopa 1464 Comment
  HSC73294  Equisetum arvense Gail Newton 1980-6-20 516 Siskiyou Near Bald Mtn. 1097 Comment
  HSC74302  Equisetum arvense M. A. Baker 1980-5-23 1436 Trinity Near Tierney Canyon 975 Comment
  HSC85208  Equisetum arvense Clare R. Wheeler 1979-9-19 1290 Mendocino Jackson State Forest, Big River, 5 mi. E of Mendocino City below Mendocino Woodlands Group Camp 53 Comment
  HSC91902  Equisetum arvense E. Mackey 1987-8-28 Humboldt Patrick's Point State Park, Palmer's Point Comment
  HSC93032  Equisetum arvense F. Bowcutt 1988-7-19 1136 Mendocino About 10 mi. due W of Leggett and 60 mi. N of Fort Bragg, mouth of Usal Cr., W of county Rd. 431 0 Comment
  HSC95011  Equisetum arvense Helen Constantine-Shull 1994-7-8 24 Mono Lower Glass Creek near end of Glass Flow Rd. 2500 Comment
  HSC96529  Equisetum arvense Gordon Leppig 1998-6-14 818 Mendocino Mckerriker State Park, Inglenook Fen, Ten Mile Dunes. 9 Comment
  HSC97437  Equisetum arvense Ivy Watson 2008-10-5 38 Humboldt Blue Lake; ~ 500 ft. upstream of the Hatchery Rd. bridge, north bank. 22 Comment
  HSC98068  Equisetum arvense Cara Witte 2007-7-11 505 Humboldt Grouse Mountain. Forest Service Road 5N04. Near spring. 1583 Comment
  HSC98770  Equisetum arvense Cara Witte 2007-8-8 622 Humboldt Buck Flat. Intersection of National Forest 1 and Forest Service Road 5N01. 1547 Comment
  HSC99486  Equisetum arvense K. A. Wayman, Robin Bencie, M. Mesler, Julie Gregory 2010-7-14 145 Humboldt Near North Trinity Mtn, 11. 9 mi east of Hoopa on Big Hill Rd (8N01), at Box Camp, Six Rivers National Forest. 1372 Comment
  IRVC29059  Equisetum arvense G. K. Helmkamp 2003-10-8 8204 San Luis Obispo base of Nipomo Mesa 0.25 mi SW of Halcyon Rd along an unnamed road near the railroad crossing Central Coast 15 Comment
  IRVC8875  Equisetum arvense Charles W. Sexton 1963-6-14 s.n. Mono Convict Lake. Comment
  IRVC8876  Equisetum arvense Charles W. Sexton 1963-6-14 s.n. Mono Convict Lake. Comment
  JEPS110232  Equisetum arvense Lowell Ahart 2006-8-22 13211 Colusa North side and under the bridge across Stony Creek, just north of Stonyford 347 Comment
  JEPS116120  Equisetum arvense Lowell Ahart 2009-6-19 15938 Butte South of trail where people cross Big Chico Creek, on the east side of Big Chico Creek, about 50 yards west of Ten Mile House Road, Upper Bidwell Park, about 3/4 mile (air) west of Highway 32, about 10 miles northeast of Chico 203 Comment
  JEPS116607  Equisetum arvense Julie Kierstead Nelson 2006-5-10 2006 -2 Shasta Confluence of Goods Creek & South Fork Goods Creek at junction of Hwy 36 and Rd. 29N28, about 50 miles W of Red Bluff 1036 Comment
  JEPS122452  Equisetum arvense L. P. Janeway 2014-5-28 11274 Sierra Northern High Sierra Nevada. Plumas National Forest; Placer Diggings along Pine Grove Creek, just north of Pine Grove Cemetery, 0.8 air-km northwest of Howland Flat. Quad: La Porte 7.5'. Comment
  JEPS125682  Equisetum arvense William Harnach 2013-4-25 1309 Sierra 1.5 miles west of Downieville on Highway 49 at Rosassaco Ravine. Comment
  JEPS128592  Equisetum arvense Lowell Ahart, John Dittes 2017-7-20 21634 Nevada At the base of the south bank of Prosser Creek, south side of Carpenter Valley, about 200 yards north of the poor dirt road, about 4 miles (air) west x southwest of Hobart Mills, about 5.2 miles (air) northwest of Truckee, southeast corner of Carpenter Valley. Comment
  JEPS129126  Equisetum arvense Jake Ruygt 2008-7-19 5359 Napa Eticuera Creek, south of Long Canyon. Knoxville 7.5' Quad. Comment
  JEPS39587  Equisetum arvense Charlotte N. Smith 1945-8-9 976 Tulare over 3/4 mi ne Tobias Peak (down creek from head of Tobias Gorge); n end Baker Range, Baker Point-Tobias Creek Gorge area Comment
  JEPS48141  Equisetum arvense Charlotte N. Smith 1965-8-17 1398 A Tulare ca. 1/4 mi s Soda Spring (w side of Freeman Creek, Lloyd Meadow) 1661 Comment
  JEPS60120  Equisetum arvense Walter Fry 1914-10-10 324 Tulare w border Giant Forest; Sequoia National Park Comment
  JEPS60143  Equisetum arvense Louis C. Wheeler 1933-8-20 2090 Los Angeles Pine Canyon Dam; San Gabriel Mts., San Gabriel Canyon 304 Comment
  JEPS60144  Equisetum arvense V. F. Hesse 1944-8-9 552 Santa Cruz Boulder Creek 176 Comment
  JEPS60146  Equisetum arvense W. L. Jepson 1924-6-1 10546 Tuolumne Curtin Meadows 1432 Comment
  JEPS60149  Equisetum arvense W. L. Jepson 1928-7-29 13058 Fresno Huntington Lake 2103 Comment
  JEPS73100  Equisetum arvense Gladys L. Smith 1964-7-3 2029 El Dorado 1 mi w Echo Summit (along Hwy. 50) 2133 Comment
  JEPS73102  Equisetum arvense Gladys L. Smith 1963-7-9 1783 El Dorado 1.4 mi w Echo Summit Comment
  JEPS79604  Equisetum arvense Edward Lee and Ann Johnson 1974-8-24 San Mateo near Pillar Point (Princeton Marsh) Comment
  JEPS79605  Equisetum arvense Edward Lee and Ann Johnson 1974-8-24 San Mateo near Pillar Point (Princeton Marsh) Comment
  JEPS79666  Equisetum arvense Edward Lee 1955-3-27 5006 Alameda Oakland; Dimond Park, upper canyon; Sausal Creek Comment
  JEPS81561  Equisetum arvense Roy E. Buck and James A. West 1982-7-18 86 Santa Cruz ca. 17 mi nw Santa Cruz (between CA 1 (Cabrillo Hwy.) and Swanton Rd., se of Greyhound Rock, w and nw of Old Seaside School <in> Swanton, along Scott Creek) 22 Comment
  JEPS88065  Equisetum arvense Lowell Ahart 1995-6-28 7686 Plumas ca. 5 mi (air) n of La Porte (ca. 1 mi ne Little Grass Valley Reservoir, ca. 1/2 mi sw of Feather Fork Mine); S. Fork Feather River 1828 Comment
  JEPS88086  Equisetum arvense Vernon H. Oswald and Lowell Ahart 1996-6-17 7821 Lassen ca. 7 mi w Susanville (Bizz Johnson Trail accessed at Devils Corral Trailhead located off Hwy. 36, at 6 mi post e of Devils Corral Trailhead); Modoc Plateau 1420 Comment
  JEPS89834  Equisetum arvense Dean W. Taylor 1992-5-8 12557 Modoc ca. 1.5 air mi. w. of Oregon State Line Pine Creek Canyon; Warner Mts., Pine Creek Canyon 1554 Comment
  JEPS89835  Equisetum arvense Dean W. Taylor 1974-6-15 3765 Alpine 1.3 mi. n. of Hwy. 89 Forest City Flat (Monitor Pass Region); Sierra Nevada, , Forest City Flat 2087 Comment
  JEPS89836  Equisetum arvense Dean William Taylor 1969-6-24 241 El Dorado along General Creek at Sugar Pine Point (Lake Tahoe); , General Creek, Sugar Pine Point 1920 Comment
  JEPS99702  Equisetum arvense Melanie Arnett 2001-6-24 8182 Madera Devils Postpile National Monument; N-facing 40% mid- and lowslope and cliffs just W of Rainbow Falls. Jeffrey pine, western white pine, lodgepole pine, red fir and white fir forest. Loose pumice over degrading rhyodacite. 2218 Comment
  JROH56  Equisetum arvense John Hunter Thomas 1982-7-2 21049 San Mateo Jasper Ridge Biological Preserve, Stanford University. Near low-flow crossing Comment
  JROH58  Equisetum arvense John Hunter Thomas 1982-11-6 21194 San Mateo Jasper Ridge Biological Preserve, Stanford University. Comment
  JROH60  Equisetum arvense John Hunter Thomas 1983-5-3 21879 San Mateo Jasper Ridge Biological Preserve, Stanford University. Near low-flow crossing Comment
  JROH61  Equisetum arvense John Hunter Thomas 1983-7-7 22822 San Mateo Jasper Ridge Biological Preserve, Stanford University. Comment
  JROH63  Equisetum arvense John Hunter Thomas 1990-5-8 24856 San Mateo Jasper Ridge Biological Preserve, Stanford University 87 Comment
  MACF015280  Equisetum arvense Donald Myrick 1966-8-12 1539 Siskiyou Mountain Meadow Ranch, Big Flat, Trinity Alps 1523 Comment
  OBI1005  Equisetum arvense R. J. Rodin 1958-6-25 6221 Tulare Round Meadow, Sequoia National Park. Comment
  OBI23258  Equisetum arvense Robert J. Rodin 1962-6-23 3907 Tuolumne Douglas Flat. 1890 Comment
  OBI35075  Equisetum arvense Eric Wise 1981-6-26 715 San Luis Obispo Arroyo Laguna. 15.2 mi. S. of Monterey Border. Comment
  OBI71816  Equisetum arvense Michael Walgren 2009-8-26 29 San Luis Obispo the NW corner of Los Olivos and South Bay Boulevard in Los Osos. Comment
  OBI80427  Equisetum arvense David J. Keil 1985-3-16 s.n. San Luis Obispo Los Osos - Baywood Park area. South Bay Blvd. at Los Olivos Ave. 20 Comment
  PGM1452  Equisetum arvense Helen Lind 1976-5-17 Monterey Salinas Valley, Salinas River, Boronda Rd Bridge @ Comment
  POM13496  Equisetum arvense P. A. Munz 1922-6-10 5632 San Bernardino 2 miles east of Bluff Lake, San Bernardino Mountains 2287 Comment
  POM171889  Equisetum arvense F. M. Cota 1930-7-21 43 San Diego Montezuma Mines, Montezuma Valley Comment
  POM17887  Equisetum arvense P. A. Munz, R. D. Harwood 1923-6-28 7281 San Diego Cuyamaca Lake. 1417 Comment
  POM197059  Equisetum arvense H. F. Copeland 1927-5-6 225 Butte Jonesville. Comment
  POM229364  Equisetum arvense Philip A. Munz 1942-6-18 17143 San Bernardino Fish Creek, San Bernardino Mountains. 2073 Comment
  POM262881  Equisetum arvense J. C. Roos 1937-6-15 542 San Diego Near Cuyamaca Lake, Cuyamaca Mountains. Comment
  POM264732  Equisetum arvense L. C. Wheeler 1932-7-22 1026 San Bernardino (Lake Arrowhead) Little Bear Valley. San Bernardino Mts. 1554 Comment
  POM281831  Equisetum arvense Lyman Benson 1930-6-14 2157 San Mateo La Honda, Santa Cruz Mtn range. Redwoods. 244 Comment
  POM281834  Equisetum arvense Arthur L. Cohen 1934-4-7 228 a Kern Bakersfield. Kern River watershed. 121 Comment
  POM965  Equisetum arvense L. T. Street, Durant 1918-5-12 s.n. Riverside San Jacinto River Canyon. Comment
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Apr 16 2011
  POM966  Equisetum arvense D. L. Crawford 1916-3-1 s.n. Riverside Santa Ana River Valley Comment
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Sep 3 2011
  RSA0036925  Equisetum arvense Jon P. Rebman, Warren Schmidtmann, G. Kenney 2014-6-4 28638 San Diego Camp Pendleton: Training Area Golf: northeastern portion of Base; along Roblar Creek just off of Roblar Canyon Road. Square C6. 160 Comment
  RSA0047707  Equisetum arvense Jim Andre, Senna Andre, Elias Andre 2013-6-13 26223 Inyo Eastern Sierra Nevada: along Big Pine Creek near cabins, 8 mi. west of town of Big Pine. 2150 Comment
  RSA0101355  Equisetum arvense Jessica Orozco 2015-6-4 1192 Tulare Sequoia National Forest. South Fork Tule River watershed. Off Old Forest serivce road 22S91, an old, unmaintained logging road off Crawford road (FS 22S94). Near tributary of Windy Creek. 2144 Comment
  RSA127254  Equisetum arvense J. T. Howell 1941-6-29 16338 Marin Between Rock Spring and Laurel Dell, Mt. Tamalpais. Comment
  RSA131845  Equisetum arvense John H. Thomas 1953-2-8 2752 Santa Cruz Rancho del Osa. Along Waddell Creek, about 2 miles from the coast. 46 Comment
  RSA145418  Equisetum arvense Dixie Iverson 1958-5-18 8 Fresno Sequoia National Forest, Long Meadow 1 mi N of Hume Lake Hwy 180. 1616 Comment
  RSA16895  Equisetum arvense Percy C. Everett, E. R. Johnson 1935-7-19 7466 Fresno Sierra Nevada. Huntington Lake - Florence Lake Road, 3 mi. from High Sierra Ranger Station. 2256 Comment
  RSA18150  Equisetum arvense C. B. Wolf 1929-5-5 3698 Fresno Shaver Lake, W. slope of Sierra Nevada. 1616 Comment
  RSA187174  Equisetum arvense John H. Thomas 1950-4-15 1533 Santa Cruz Along Pajaro River, just inside the county line in SE corner of county. 30 Comment
  RSA230191  Equisetum arvense R. F. Thorne 1969-7-2 38249 Los Angeles San Gabriel Mts., Angeles National Forest: Wet, sandy margin of East Fork of Alder Creek, Charlton Flat burn (of 1954) 1584 Comment
  RSA2482  Equisetum arvense J. W. Blankinship 1923-5-6 s.n. Lake Upper Kelsey Creek. 1220 Comment
  RSA26204  Equisetum arvense Alice Eastwood, J. T. Howell 1940-6-13 8182 Modoc East side of Cedar Pass Comment
  RSA31054  Equisetum arvense L. C. Wheeler 1932-7-22 982 San Bernardino Deep Creek near Squints Ranch, San Bernardino Mountains 1371 Comment
  RSA34958  Equisetum arvense V. F. Hesse 1944-8-9 552 Santa Cruz Boulder Creek. 177 Comment
  RSA4627  Equisetum arvense E. B. Copeland 1930-6-28 402 Butte Jonesville. 1500 Comment
  RSA554395  Equisetum arvense Scott D. White 1992-6-9 92 -324 San Bernardino San Bernardino Mountains, San Bernardino National Forest, vicinity of Willow Creek, ca. 1.5-2.0 miles E of Rock Camp Guard Station & immediately NE of large curve to S on Hwy 173. 1463 Comment
  RSA59233  Equisetum arvense E. K. Balls 1950-8-31 15532 Plumas Hwy 24, 1 mile north of Spanish Creek, just north of Quincy. 1098 Comment
  RSA595906  Equisetum arvense Scott D. White 1996-7-22 4332 (unicate) San Bernardino Lake Arrowhead Area: SE of Papoose Lake and N of ''Cedar Glen'' neighborhood. 1570 Comment
  RSA603590  Equisetum arvense L. C. Wheeler 1948-7-17 6669 San Bernardino San Gabriel Mountains. Glen Ranch, Lytle Creek. Comment
  RSA60522  Equisetum arvense Roxana S. Ferris, Chas H. Quibell, L. Beane 1950-6-25 1855 Fresno Mono Creek, at road branch to Boggy Meadow, Sierra National Forest. 2409 Comment
  RSA607913  Equisetum arvense L. C. Wheeler 1961-6-24 7904 Riverside San Jacinto Mountains: Strawberry Creek at Idyllwild Arts Foundation, Idyllwild. Comment
  RSA608329  Equisetum arvense L. C. Wheeler 1951-10-27 6842 San Bernardino San Gabriel Mountains. Glen Ranch, Lytle Creek 990 Comment
  RSA612920  Equisetum arvense L. C. Wheeler 1931-10-4 214 Riverside San Jacinto Mts. Strawberry valley 1554 Comment
  RSA639348  Equisetum arvense L. C. Wheeler 1932-7-24 1091 San Bernardino 1 1/2 mi. SE Jenk's Lake, Santa Ana River Valley, San Bernardino Mts. 2164 Comment
  RSA639361  Equisetum arvense L. C. Wheeler 1932-7-22 1026 San Bernardino (Lake Arrowhead) Little Bear Valley. San Bernardino Mts. 1554 Comment
  RSA639594  Equisetum arvense L. C. Wheeler 1933-7-7 1919 Los Angeles Lexington Wash near El Monte. 73 Comment
  RSA639601  Equisetum arvense L. C. Wheeler 1932-7-9 926 Riverside Santa Ana River at Chino Creek 145 Comment
  RSA639608  Equisetum arvense L. C. Wheeler 1932-7-22 982 San Bernardino Deep Creek near Squints Ranch, San Bernardino Mountains 1371 Comment
  RSA639609  Equisetum arvense L. C. Wheeler 1932-7-23 1077 San Bernardino S. Fork Santa Ana R., San Bernardino Mts. 2529 Comment
  RSA639610  Equisetum arvense L. C. Wheeler 1932-7-22 1017 San Bernardino Elsie Caves, San Bernardino Mountains. 2226 Comment
  RSA640231  Equisetum arvense L. C. Wheeler 1967-9-15 10777 San Bernardino San Gabriel Mts.: Glen Ranch, Lytle Creek [Sportsman] Park Comment
  RSA641566  Equisetum arvense L. C. Wheeler 1967-7-13 9988 San Bernardino East San Gabriel Mountains: Lytle Creek, Miller Narrows. 846 Comment
  RSA658291  Equisetum arvense Scott D. White, B. Leatherman 2000-6-23 8077 B San Bernardino Lake Arrowhead. Little Bear Creek just above its confluence with the lake and below Hwy 189. 1559 Comment
  RSA66908  Equisetum arvense P. A. Munz 1951-7-17 16582 Trinity Grasshopper Public Camp, 2.5 mi NW of Stuart Gap, North Yolla Bolly Mtns. 1372 Comment
  RSA680161  Equisetum arvense Scott D. White, Teresa Salvato, Lia DeMarco, Jessica Christian 2001-6-30 8627 B Riverside Idyllwild area; Strawberry Fuelbreak between Inspiration Point and Strawberry Creek. I.e., southwest terminus of Double View Dr. west to creek. 1402 Comment
  RSA680662  Equisetum arvense Michael Honer 2001-7-24 1293 Mono Dexter Creek, 100m upstream from confluence with Wild Cow Canyon stream. 2390 Comment
  RSA68249  Equisetum arvense Chas H. Quibell, Chas F. Quibell 1951-6-15 47 Fresno Stevenson Crk just below road and Dam at Shaver L on Hwy 168. Flume Pk 5972 S; Music Pk 6820 N. This near old Flume timbers. Comment
  RSA684645  Equisetum arvense Jeannette B. Edge 1934-2-12 18871 San Bernardino Warm Springs Creek Marsh 335 Comment
  RSA684646  Equisetum arvense Edwin Kline 1924-7-14 s.n. San Bernardino Lake Arrowhead, San Bernardino Mountains. Comment
  RSA684647  Equisetum arvense S. B. Parish 1918-7-28 8001 San Bernardino San Bernardino Valley 300 Comment
  RSA684649  Equisetum arvense John Comstock 1955-6-9 s.n. San Bernardino Barton Flats Comment
  RSA684650  Equisetum arvense L. E. Hoffman 1931-11-16 s.n. Los Angeles Malibu Creek Comment
  RSA684652A  Equisetum arvense Michael A. Vincent 1962-4-15 180 Butte 1 mile S of Stirling City on Skyway Comment
  RSA684654  Equisetum arvense Freda Detmers 1933-8-29 17891 Mariposa Yosemite Valley. Comment
  RSA684690  Equisetum arvense George R. Johnstone 1932-8-6 15710 Mono Twin Lakes. 2616 Comment
  RSA685459  Equisetum arvense Michael Honer 2001-6-29 1023 Mono Sawmill Meadow; along E edge of meadow. 2793 Comment
  RSA697249  Equisetum arvense Michael Honer 2000-8-16 570 Mono Wet Meadow: S end of SW fork. 2610 Comment
  RSA702176  Equisetum arvense Scott D. White 2004-8-20 10731 Los Angeles Upper Big Tujunga Canyon. West of Upper Big Tujunga Cyn Rd, ca. 2 air miles N of jtn w/ Angeles Crest Hwy. 1067 Comment
  RSA717955  Equisetum arvense R. G. Swinney 1996-8-12 5255 San Bernardino Approx. 0.6 mi. SW of junction of Swarthout Canyon Rd. and Cajon Rd. 805 Comment
Read comments
Mar 15 2010
  RSA735647  Equisetum arvense LeRoy Gross, Sula Vanderplank 2008-7-14 3485 San Bernardino Southeast from Poopout Hill to a tributary that empties into the South Fork Santa Ana river, from the west. Right along the Wilderness Boundary line. 2326 Comment
  RSA736825  Equisetum arvense Scott D. White, Justin Wood 2007-6-7 11729 San Bernardino Moonridge, Rathbone Creek, between Moonridge Rd and the golf course. 2104 Comment
  RSA740357  Equisetum arvense Naomi Fraga, Duncan Bell, Suzanne Robinson 2008-7-15 2392 San Bernardino Along Fish Creek Trail to Aspen Grove immediately west of FS 1N05 (survey area is along entire length of trail in section 29). Just outside of San Gorgonio Wilderness. 2226 Comment
  RSA740544  Equisetum arvense Naomi Fraga, Lucila Reccia 2008-8-27 2599 San Bernardino South Fork cabin tract just south of Highway 38 along South Fork of Santa Ana River. Comment
  RSA740620  Equisetum arvense Scott D. White, Justin M. Wood 2008-7-8 12373 Riverside Hurkey Creek Watershed- Bonita Vista Rd, ca 1/2 miles E and W of Hurkey Creek crossing. 1512 Comment
  RSA741298  Equisetum arvense Orlando Mistretta 2008-7-28 3496 San Bernardino Santa Ana River Canyon. Along main drainage near confluence with Staircase Canyon. 1709 Comment
  RSA751445  Equisetum arvense Orlando Mistretta 2009-5-14 3666 San Bernardino Santa Ana River Canyon. Near the confluence of Staircase Canyon and the Santa Ana River. 1729 Comment
  RSA752234  Equisetum arvense Orlando Mistretta 2009-8-25 4106 San Bernardino Santa Ana River Canyon. E Fork of Barton Creek near San Gorgonio Wilderness boundary, 0.23 miles S of Jenks Lake Road. 2325 Comment
  RSA754292  Equisetum arvense Orlando Mistretta 2009-7-13 4028 a San Bernardino Santa Ana River Canyon. E fork of Barton Creek, about 0.11 S of its intersection with Jenks Lake Road, just E of Camp Ta Ta Pochon. 2290 Comment
  RSA756592  Equisetum arvense Michael Honer, Deane Plaister 2007-7-21 2766 Fresno Along small tributary running W into North Fork Kings River. Appx. 3 mi. ESE of Courtright Resevoir Dam. 2256 Comment
  RSA765079  Equisetum arvense Michael Honer 2010-8-6 3698 San Bernardino SBNF: Upper Santa Ana River Watershed. Slopes S of Santa Ana River, appx. 1 mi. W of Burro Flats, 0.2 mi. S of River (above Camp Vallani). 1768 Comment
  RSA768336  Equisetum arvense Orlando Mistretta 2010-8-11 5634 San Bernardino Along Forest Rd. 2N48Y; N slopes of Sugarloaf Mountain. 2240 Comment
  RSA771087  Equisetum arvense LeRoy Gross, Andrew Monks, Joshua Paolini 2010-8-9 5206 San Bernardino From the Aspen Grove in Fish Creek., Near 34.14462N, 116.78902W, traveled down canyon to the mouth of a north flowing creek coming from the Wilderness, north of Grinnell Mountain, near 34.14994N, 116.80429W. Climbed this tributary to the first fork, the east branch, near 34.14408N, 116.80386W. 2181 Comment
  RSA790023  Equisetum arvense R. F. Thorne, E. W. Lathrop, W. Wisura 1977-7-8 49566 Orange Santa Ana Mountains: San Juan Canyon at Lower Picnic Camp, just below Ortega Highway (74) Comment
  RSA793981  Equisetum arvense Jim Andre 2011-8-6 20300 Inyo Big Pine Canyon; Eastern Sierra; along Big Pine Creek at Hines property, approx. 8.5 mi. west of Big Pine along banks of creek 2087 Comment
  RSA798304  Equisetum arvense J. P. Rebman, W. Schmidtmann, G. Kenney, J. Martin 2012-4-18 23235 San Diego Camp Pendleton: northeast of Stuart Mesa Road and west of Vandergrift Blvd. Along dirt road on the north side of the Santa Margarita River. 5 Comment
  RSA84285  Equisetum arvense F. W. Peirson 1922-6-22 3111 San Bernardino South Fork of Santa Ana River, San Bernardino Mountains 2438 Comment
  RSA89213  Equisetum arvense Chas H. Quibell 1952-8-9 1193 Fresno West Lake, just N of lower end of ridge leading down WNW from 9984 Red Mtn. 3.5 map miles SE of Huntington Lake., West Lake and a series of swampy meadows and ponds drain SW into N fork Tamarack Creek. 2668 Comment
  SBBG108115  Equisetum arvense C. B. Hardham 1959-3-27 4121 Monterey Del Monte Forest Comment
  SBBG111758  Equisetum arvense E. Painter, E. Neese, T. Berlund 1996-8-28 HL 2940 Monterey Nacimiento River, near N end of the Palisades, ca. 0.1 km N of confluence with Los Burros Crk; Ft Hunter Liggett 320 Comment
  SBBG120889  Equisetum arvense M. A. Elvin, R. Burgess 2007-6-30 5553 Ventura Santa Clara River; ca. 7 km from ocean, ca. 0.2 km downstream from railroad bridge 18 Comment
  SBBG132612  Equisetum arvense R. Burgess, M. Elvin 2007-6-30 7706 Ventura Santa Clara River just W of US 101 Bridge 14 Comment
  SBBG17368  Equisetum arvense M. Vincent 1962-4-15 180 Butte 1 mi S of Stirling City on Skyway near small stream Comment
  SBBG19510  Equisetum arvense L. L. Kiefer 1963-9-28 1006 Ventura Sespe Gorge, along Sespe Crk, ca. 2 mi above Sespe Gorge Cmpgrd 1371 Comment
  SBBG21044  Equisetum arvense E. C. Twisselmann 1963-7-9 8607 Kern Tillie Crk Rd, 0.5 mi below Alta Sierra Lodge 1828 Comment
  SBBG23419  Equisetum arvense D. Myrick 1965-6-24 1156 Kern Shirley Meadows 2194 Comment
  SBBG25828  Equisetum arvense D. Myrick 1966-8-11 1539 Siskiyou Mountain Meadow Ranch, Big Flat 1524 Comment
  SBBG38054  Equisetum arvense E. R. Blakley 1960-2-9 3802 Placer meadow along Carnelian Crk (at mouth), Lake Tahoe 1905 Comment
  SBBG44516  Equisetum arvense K. K. Muller 1962-10-6 1206 Fresno S Fk of Kings River, Kings Cyn Comment
  SBBG47392  Equisetum arvense J. T. Howell 1969-9-13 46110 Sierra Little Truckee River near outlet of Webber Lake 2042 Comment
  SBBG56315  Equisetum arvense R. Hoffmann 1929-7-31 Ventura Reyes Crk 1219 Comment
  SBBG85756  Equisetum arvense C. F. Smith 1944-6-19 944 Santa Barbara Mission Cyn Crk near Dr. Noack's, Mission Cyn above the Botanic Garden Comment
  SBBG8884  Equisetum arvense D. Myrick 1960-7-27 181 Madera crk on trail to Sotcher Lake from Reds Meadow 2316 Comment
  SBBG95331  Equisetum arvense C. F. Smith 1963-6-13 8310 Kern crk that crosses rd at Mil Potrero, below N side of Mt Pinos Comment
  SCFS1078  Equisetum arvense F. Felix 2014-1 Nevada Near creek Comment
  SD10028  Equisetum arvense E. B. Copeland 1930-6-24 Butte Jonesville 1500 Comment
  SD10029  Equisetum arvense E. B. Copeland 1930-6-28 402 Butte Jonesville 1500 Comment
  SD112398  Equisetum arvense Darley F. Howe 1951-8-12 2155 San Diego below Cuyamaca Dam 1525 Comment
  SD112399  Equisetum arvense Darley F. Howe 1954-6-20 2413 San Diego Palomar Mountain, Pauma Creek Comment
  SD136114  Equisetum arvense Unknown 1931-5-31 San Diego Boulder Creek Comment
  SD162410  Equisetum arvense Robert Lauri, Jon Rebman 2002-8-2 325 San Diego Palomar Mountain, Cleveland National Forest. Along A!Rope TrailA(r) approximately 0.2 miles north of Harrison Grade. 633 Comment
  SD174595  Equisetum arvense David Woelfel, Riley Woelfel 2005-10-14 69 San Diego Approx 1.5 miles north of Fallbrook, along Sandia Canyon Creek just north of the confluence with Santa Margarita River, 0.3 miles west of intersection of Rock Mountain Rd and Sandia Creek Dr. 89 Comment
  SD18612  Equisetum arvense Daniel Cleveland 1874-1 1194 San Diego San Felipe Comment
  SD190706  Equisetum arvense John LaGrange, John and Linda La Grange 2006-8-15 41 San Diego Cleveland National Forest, NW of Black Mountain, Temescal Valley creek bed, W of Lusardi Canyon Truck Trail at confluence of side creek from the east, SW of Esmeralda mine. 694 Comment
  SD198810 Image available Equisetum arvense Jon P. Rebman, Jeannie Gregory & Karen Rich 2009-6-16 18157 San Diego Cuyamaca Rancho State Park: south of Middle Peak; along the creek and in the valley southeast of the junction of Azalea Spring Fire Road and Milk Ranch Road 1509 Comment
  SD209834 Image available Equisetum arvense Jon P. Rebman, W. Schmidtmann, J. Rocks & volunteers 2010-12-2 20490 San Diego Camp Pendleton: India Training Area; along De Luz Road south of Camp De Luz; vicinity of the convergence of the Santa Margarita River and De Luz Creek 39 Comment
  SD209835  Equisetum arvense Jon P. Rebman, J. Schlachter & volunteer plant collectors 2010-6-12 19622 San Diego Southeast of Campo: along road in Smith Canyon approximately 0.7 miles north of the USA/Mexico border; on Bureau of Land Management lands 894 Comment
  SD22206  Equisetum arvense Frank F. Gander 1938-8-6 6344 San Diego Palomar Mountain, Lower Doane Valley Comment
  SD223216  Equisetum arvense Jon P. Rebman, W. Schmidtmann, G. Kenney, J. Martin 2012-4-18 23235 San Diego Camp Pendleton: northeast of Stuart Mesa Road and west of Vandergrift Blvd.; along dirt road on the north side of the Santa Margarita River 4 Comment
  SD238404  Equisetum arvense Jon P. Rebman, W. Schmidtmann & G. Kenney 2013-5-21 26634 San Diego Camp Pendleton: south-central portion of Base; Training Area SMR2; northeast of the intersection of Vandegrift Blvd. and Basilone Road; along the southeast side of the Santa Margarita River 24 Comment
  SD240470  Equisetum arvense Jon P. Rebman, W. Schmidtmann & G. Kenney 2014-6-4 28638 San Diego Camp Pendleton: Training Area Golf: northeastern portion of Base; along Roblar Creek just off of Roblar Canyon Road 160 Comment
  SD243035  Equisetum arvense George K. Helmkamp, E. A. Helmkamp 2011-9-30 18354 Nevada Foothills, northern Sierra Nevadaa Mountains: Mule Spring Rd. off Lowell Hill Road, 6.2 miles northeast of Lowell Hill junction with Dutch Flat X Road at lower end of Bear River Reservoir. Wet ditch. 1189 Comment
  SD243434  Equisetum arvense John LaGrange, Mary Rider 2009-7-31 496 San Diego Cleveland National Forest, Temescal Valley 4 1/4 miles SW of Lake Henshaw Dam, 1/4 mile NW Esmeralda Mine, east fork of Temescal Creek 100 meters east of Lusardi Canyon Truck Trail. 822 Comment
  SD246211  Equisetum arvense Jon P. Rebman, W. Schmidtmann & G. Kenney 2015-6-4 30423 San Diego Camp Pendleton: extreme northeastern portion of Base; Hotel Training Area; northwest of Fallbrook; along the Santa Margarita River and below De Luz Road 82 Comment
  SD246638  Equisetum arvense Jerilyn Hirshberg 2013-7-19 2522 San Diego Julian area; Wm. Heise County Park, along Heise Park Road; 0.5 mile S of intersection Deer Lake Park Road and Frisius Drive 1220 Comment
  SD254725  Equisetum arvense Susan T Welker 1993-3-15 San Diego Banks of De Luz Creek at De Luz. Tributary to Santa Margarita River 110 Comment
  SD254726  Equisetum arvense Susan T Welker 1994-8-23 San Diego Santa Margarita River corridor, north of Fallbrook, west of Sandia Creek Road crossing 105 Comment
  SD261385  Equisetum arvense Jon Rebman, W. Schmidtmann, C. Wolf, & F. Roberts 2017-5-25 33416 San Diego Fallbrook Naval Weapons Station: west of Fallbrook; North Magazine, northern part of station; along the Santa Margarita River 75 Comment
  SD64180  Equisetum arvense W. Bertsch 1954-5-1 512 San Bernardino Idylewild, San Jacinto River 1675 Comment
Read comments
Dec 29 2014
  SD81654  Equisetum arvense Louis C. Wheeler 1931-10-4 214 Riverside San Jacinto Mountains, Strawberry Valley 1555 Comment
  SD81918  Equisetum arvense F. M. Cota 1931-5-31 1159 San Diego Deer Creek Comment
  SD85850  Equisetum arvense R. Mitchel Beauchamp 1971-7-31 2954 San Diego Along stream, Middle Peak, Cuyamaca Mountains 1380 Comment
  SD87774  Equisetum arvense F. W. Peirson 1922-6-22 San Bernardino San Bernardino Mountains, south fork of Santa Ana [River] 2440 Comment
  SDSU14346  Equisetum arvense Craig H. Reiser, Fred T. Sproul 1987-6-9 9 -VI-87 San Diego Camp Joseph Pendleton MCB. San Diego County, California. Base Section: 75-95. 91 Comment
  SDSU19167  Equisetum arvense Kristen Hasenstab, Dave Bailey 2008-7-24 142 San Diego Sandia Creek. Riparian habitat, uncommon. Growing within 1m of water's edge. 152 Comment
  SDSU1952  Equisetum arvense Harvey 1937-5-21 2631 San Diego Cuyamaca. Comment
  SDSU1954  Equisetum arvense F. M. Cota 1931-4-1 133 San Diego Montezuma Valley. Comment
  SDSU1964  Equisetum arvense F. M. Cota 1932-5-23 164 San Diego San Ysabel Creek below Mesa Grande. Comment
  SDSU19944  Equisetum arvense Sophia M. Bejarano, Michael G. Simpson 2012-5-5 10 San Diego Cuyamaca Rancho State Park, Azalea creek, adjacent to area where side trail crosses creek. 1494 Comment
  SDSU20163  Equisetum arvense Jon P. Rebman, W. Schmidtmann, G. Kenney, J. Martin 2012-4-18 23235 San Diego Camp Pendleton: northeast of Stuart Mesa Road and west of Vandergrift Blvd.; along dirt road on the north side of the Santa Margarita River 5 Comment
  SEINET200604 Image available Equisetum arvense J. P. Tracy 1935-7-27 14292 Humboldt Trinity Summit open places at McKay Prairie 1586 Comment
  SEINET201349 Image available Equisetum arvense J. L. Reveal 1962-6-9 127 Mono Along Lee Vining Creek near Lee Vining Ranger Station 2179 Comment
  SEINET3860091 Image available Equisetum arvense George K. Helmkamp, E. A. Helmkamp 2009-11-3 15719 El Dorado Sierra Nevada Mountains Foothills: at a bridge on Grizzly Flat Road 8.0 miles east of its junction with Hwy E-16 at Somerset.; 0 925 Comment
  SEINET3864925 Image available Equisetum arvense N. Duane Atwood, B. Davis; W. Grows; Kenneth R. Genz; E. McGraw; B. Blackstrin 1985-8-8 11681 Mono Upper West Walker River, Upper Piute Meadows.; 0 2530 Comment
  SEINET3864983 Image available Equisetum arvense Louis C. Wheeler 1952-9-26 6980 El Dorado South Fork American River: 1 mile upstream from Lotus.; 0 Comment
  SEINET3864994 Image available Equisetum arvense George K. Helmkamp, E. A. Helmkamp 2008-6-9 13635 Amador Northern Sierra Nevada Mountains: Panther Creek Road, 0.6 mile south of its junction with CA-88, jct. is 4.0 miles east of Cook's Station (Peddler Hill 7.5' Q).; 0 1607 Comment
  SEINET4064420  Equisetum arvense W. Denneen 1960-1 152 Tulare Sequoia National Park, Long Meadow, Wolverton. 2225 Comment
  SEINET4560238  Equisetum arvense J. Andre 2011-1 20300 Inyo Big Pine Canyon; Eastern Sierra; along Big Pine Creek at Hines property, approx. 8.5 mi. west of Big Pine. 2087 Comment
  SEINET4560745  Equisetum arvense George K. Helmkamp, E. A. Helmkamp 2011-1 18354 Nevada Foothills, northern Sierra Nevada Mountains: Mule Spring Rd. off Lowell Hill Road, 6.2 miles northeast of Lowell Hill junction with Dutch Flat X Road at lower end of Bear River Reservoir. 1189 Comment
  SEINET6032086  Equisetum arvense E. Dean, K. Mawdsley, K. Ehmsen, M. Starbuck 2007-6-15 3962 El Dorado Washoe Meadows State Park, Angora Meadows. 1922 Comment
  SEINET6166431 Image available Equisetum arvense Emily Hartman 1957-8-22 1168 Fresno King's Canyon Natl'. Park. Near Hume Lake. 1829 Comment
  SFV17222  Equisetum arvense J. N. Hogue, B. T. Hogue, W. E. Williams 1997-9-13 96 .3 San Bernardino San Bernardino Mountains Deep Creek. Near Running Springs. 1616 Comment
  SFV18998  Equisetum arvense P. Wilson 2002-6-7 3781 Inyo Sierra Nevada Aspendell. 2515 Comment
  SFV2  Equisetum arvense M. L. Vincent 1962-4-15 180 Butte Sierra Nevada 1 mile south of Stirling City on the Skyway near small stream. 975 Comment
  SJSU1817  Equisetum arvense D. L. Sanders 1957-4-18 38 Calaveras White Pines, Sierra Nevada foothills 1219 Comment
  SJSU3613  Equisetum arvense C. W. Sharsmith 1962-5-27 6904 Nevada by Sagehen Creek c. 11 mi N of Truckee 1828 Comment
  UC1026487  Equisetum arvense Peter Rubtzoff 1951-6-17 279 Sonoma near Forestville (n half of Lower Marsh); Pitkin Marsh Comment
  UC1063700  Equisetum arvense C. M. Belshaw 1936-6-13 2333 El Dorado Kyburz; Pyramid Peak Quadrangle Comment
  UC1063701  Equisetum arvense H. E. Bailey 1934-9-12 243 Tulare Granite Creek; Tehipite Quadrangle Comment
  UC1169674  Equisetum arvense V. F. Hesse 1959-4-7 2578 Santa Cruz San Lorenzo river bed at Boulder Creek 144 Comment
  UC1177506  Equisetum arvense John Thomas Howell 1944-3-26 19340 Marin Inverness Comment
  UC1177517  Equisetum arvense John Thomas Howell 1947-6-4 23218 Marin swale near radio station Pt. Reyes Peninsula Comment
  UC1178430  Equisetum arvense R. J. Rodin 1958-6-25 6221 Tulare Round Meadow; Sequoia National Park Comment
  UC1187057  Equisetum arvense V. F. Hesse 1959-3-10 2577 c Santa Cruz Felton 85 Comment
  UC1187162  Equisetum arvense Jean Langenheim 1957-6-17 4359 Nevada along rivulet in bog U.C. Trout Laboratory (Sage Hen Creek) 1981 Comment
  UC1195928  Equisetum arvense Herbert L. Mason 1958-8-9 14864 Tuolumne w Hetch Hetchy Dam (Swamp Lake meadow); Sierra Nevada, Yosemite Nat'l Park 1584 Comment
  UC122516  Equisetum arvense S. B. Parish 1896-2-1 4052 San Bernardino vicinity of San Bernardino (Lytle Creek) 304 Comment
  UC1225501  Equisetum arvense Sue and Chas. H. Quibell 1953-7-20 2867 Fresno midway between Shaver Lake Heights and Rock Haven (Shaver Lake, ball diamond meadow down off 168, around stump pile near 3rd. base) Comment
  UC1239785  Equisetum arvense Joseph P. Tracy 1949-6-25 18357 Humboldt Box Camp Meadow Trinity Summit 1463 Comment
  UC1300341  Equisetum arvense Robert M. Lloyd 1963-6-22 2782 Inyo Wyman Canyon; White Mts. 2529 Comment
  UC1338749  Equisetum arvense Jack L. Reveal and James L. Reveal 1962-6-9 127 Mono near Lee Vining Ranger Station (along Lee Vining Creek) 2179 Comment
  UC1543089  Equisetum arvense Donald G. Nelson 1935-4-6 265 Orange e San Juan Capistrano (canyon 200-300 ft below main hwy. ca. 4 mi from summit); Santa Ana Mts., San Juan Canyon Comment
  UC163458  Equisetum arvense S. B. Parish 1910-2-28 8001 San Bernardino San Bernardino Valley 300 Comment
  UC1729971  Equisetum arvense L. P. Janeway, Eric Schroder 1998-9-16 6334 Placer creek about 2.2 mi sw of Lake Tahoe (about half way between Buck Lake and McKinney Creek, Homewood Quadrangle); Homewood Quadrangle 2124 Comment
  UC1776735  Equisetum arvense G. D. Barbe, J. T. Howell, and T. C. Fuller 1981-8-11 3444 Mono Convict Lake, N shore, between northerastern and western ends of the lake 2316 Comment
  UC1786734  Equisetum arvense Michael Honer 2000-8-16 570 Mono Great Basin Province; East of Sierra Nevada; Wet Meadow: S end of SW fork, around seeps. 2609 Comment
  UC1786736  Equisetum arvense Michael Honer 2001-7-24 1293 Mono Glass Mountain Region; Dexter Creek, 100m upstream from confluence with Wild Cow Canyon stream. 2389 Comment
  UC185229  Equisetum arvense S. B. Parish 1915-6-25 10553 San Bernardino Victorville; Mojave Desert Comment
  UC1861934  Equisetum arvense Alison Colwell, Dena Grossenbacher 2005-9-7 AC 5 -398 Tuolumne Yosemite National Park; Mineral spring on Alkali Creek 2.1 km n of confluence with Conness Creek 2520 Comment
  UC1874956  Equisetum arvense Ruth Kirkpatrick 2001-4-25 1040 San Diego Santa Margarita Reserve. Santa Margarita River. 179 Comment
  UC1925908  Equisetum arvense Harold and Virginia Bailey 1948-8-27 2905 c Shasta Lassen Volcanic National Park, Hat Creek, near crossing of Badger Flat Road. 1920 Comment
  UC1931213  Equisetum arvense Scott D. White, Justin Wood 2008-7-8 12373 Riverside SAN JACINTO MTS: Hurkey Creek Watershed-Bonita Vista Rd, ca 1/2 miles E and W of Hurkey Creek crossing. Comment
  UC2015302  Equisetum arvense Tom Schweich 2012-6-23 870 .1 Mono Parker Creek. Just upstream from the informal campground on Parker Creek, at the end of Forest Road 01S25 Parker Creek Road, 3.5 miles by air southwest of the intersection of US Highway 395, and California Highway 158. Comment
  UC211487  Equisetum arvense S. B. Parish 1908-3-15 11675 San Bernardino near lower Mill St. and Waterman Ave. San Bernardino Valley 300 Comment
  UC218659  Equisetum arvense P. A. Munz 1922-7-17 6070 Los Angeles hillside below Camp Baldy; San Gabriel Mts., San Antonio Canyon 1280 Comment
  UC218670  Equisetum arvense P. A. Munz 1922-6-10 5632 San Bernardino 2 mi e Bluff Lake; San Bernardino Mts. 2286 Comment
  UC399182  Equisetum arvense Geo. D. Butler 1908-7-16 249 Siskiyou Klamath River Comment
  UC399185  Equisetum arvense W. P. Taylor 1913-7-1 Mendocino Gualala Comment
  UC414642  Equisetum arvense F. M. Cota 1930-7-21 43 San Diego Montezuma Mines; Montezuma Valley Comment
  UC42526  Equisetum arvense Marshall A. Howe 1894-8-8 Siskiyou Shasta Springs Comment
  UC42528  Equisetum arvense Geo. Hansen Amador Drytown Comment
  UC426894  Equisetum arvense E. B. Copeland 1930-6-28 402 Butte Jonesville 1500 Comment
  UC503057  Equisetum arvense Doris Kildale Aug. 1925 Humboldt Trinity Summit 1524 Comment
  UC600576  Equisetum arvense H. F. Copeland 1927-5-6 225 Butte Jonesville Comment
  UC62577  Equisetum arvense Baker and Nutting 1894-8-20 Modoc Forestdale Comment
  UC637055  Equisetum arvense Edward Lee 1934-8-13 1077 Siskiyou watershed of W Branch of Indian Creek (Happy Camp - Waldo (Oregon) Rd.); Klamath Nat'l Forest 1371 Comment
  UC667937  Equisetum arvense Joseph P. Tracy 1937-7-2 15391 Humboldt ne of Hawkins Bar Happy Camp Mt.; Trinity Summit Range 1280 Comment
  UC667938  Equisetum arvense Joseph P. Tracy 1935-7-27 14292 Humboldt open places at McKay Prairie; Trinity Summit 1584 Comment
  UC667939  Equisetum arvense Joseph P. Tracy 1938-5-20 15741 Mendocino Longvale 365 Comment
  UC770071  Equisetum arvense R. F. Hoover 1936-6-22 1382 Tuolumne Pigeon Flat Comment
  UC810213  Equisetum arvense I. W. Clokey 1930-9-19 5136 San Bernardino Lake Arrowhead 1500 Comment
  UC909394  Equisetum arvense Roxana S. Ferris and Laura Lorraine 1950-7-27 12246 Tulare on Soda Spring Creek Soda Spring; Sequoia National Park 2590 Comment
  UC990533  Equisetum arvense L. Beane, C. Quibell and R. S. Ferris 1950-6-25 1855 Fresno Mono Creek at road branch to Boggy Meadow; Sierra Nat'l Forest 2407 Comment
  UCD122974  Equisetum arvense J. M. Tucker; R. B. Tofsrud, H. S. Hinkley 1948-8-19 1818 Tuolumne Wolflin Meadow, above Reed Creek near Rosasco Cattle Co. summer camp (ca. 13 miles airline, northeast of Tuolumne). 1524 Comment
  UCD135268  Equisetum arvense Frederica Bowcutt 1988-7-19 1136 Mendocino Sinkyone Wilderness State Park, about 10 miles due W of Leggett and 60 miles N of Fort Bragg. Mouth of Usal Creek. 0 Comment
  UCD135270  Equisetum arvense G. F. Hrusa; S. A. Wagner 1992-4-22 9288 San Joaquin Caswell Memorial State Park. Comment
  UCD135271  Equisetum arvense Morris Halperin 1932-8-15 902 El Dorado Strawberry. 1752 Comment
  UCD135272  Equisetum arvense G. K. Helmkamp; E. A. Helmkamp 2007-9-2 12880 El Dorado Northern Sierra Nevada Mountains. Grizzly Flat Road 5.2 miles ESE of Somerset, just west of Coles Station. 957 Comment
  UCD135273  Equisetum arvense G. K. Helmkamp; E. A. Helmkamp 2007-5-9 11974 El Dorado Northern Sierra Nevada Mountains: Ice House Road, 3.2 miles north of Ice House, near Jones Place. 1515 Comment
  UCD135276  Equisetum arvense J. M. Tucker; H. S. Hinkley, R. B. Tofsrud 1948-8-1 1790 Tuolumne Wolflin Meadow, above Reed Creek near Rosasco Cattle Co. summer camp (ca. 13 miles airline, northeast of Tuolumne). 1524 Comment
  UCD135292  Equisetum arvense Jack Major; Samuel A. Bamberg 1962-8-24 1447 Mono Lake Mildred, Convict Creek Basin, Sierra Nevada. 3048 Comment
  UCD135306  Equisetum arvense P. Thompson 1996-4-28 45 Tehama 12 km southwest of Hwy 32 and Hwy 39 junction. 1200 Comment
  UCD142023  Equisetum arvense Ellen Dean; K. Mawdsley,K. MacMillen,N. Gonzales,S. Yegorova 2013-7-19 7849 El Dorado W shore of Lake Tahoe, Sugar Pine Point State Park, Along General Creek drainage. On west side (upstream) of bridge connecting North Fire Road with South Fire Road, north side of creek. 1948 Comment
  UCD142956  Equisetum arvense Ellen Dean; K. MacMillen 2013-7-25 7929 Solano South side of Putah Creek on property of H. Wimmer. Putah Creek Vegetation Survey Plot Oxbow 2A. 18 Comment
  UCD143496  Equisetum arvense Oren Pollak 1987-4-27 s.n. Mendocino Jug Handle State Park. Comment
  UCD161673  Equisetum arvense Ellen Dean; T. Starbuck, K. Mawdsley, J. Sanchez 2015-5-31 8831 El Dorado West side of LakeTahoe basin. Sugar Pine Point State Park. Fen, downslope (south of) group camping area of campground. 1928 Comment
  UCD164520  Equisetum arvense Craig D. Thomsen 2006-8-16 2707 Yolo Camp Haswell County Park, Pocket Gulch near entry. 137 Comment
  UCD165696  Equisetum arvense Ellen Dean 2016-7-12 9052 El Dorado West side of Tahoe Basin. Near southern boundary of D.L. Bliss State Park. North side of unnamed drainage on west side of Highway 89. 2058 Comment
  UCD22071  Equisetum arvense Rex Palmer 1979-6-8 N 120 Placer Headwaters basin area of the North Fork of the American River Comment
  UCD22072  Equisetum arvense Beth Lowe Corbin 1982-8-25 418 Placer Onion Creek Campground. South facing slope, 15 % incline. Abundant. Full sun. In wet, fine sandy soil along stream edge in mixed conifer forest. Perennial herb. 1841 Comment
  UCD41998  Equisetum arvense Geri Hulse-Stephens 2001-6-29 727 Lake Goat Mountain. Botrychium Marsh. 990 Comment
  UCD43967  Equisetum arvense C. E. H. R. Meadow Assessment; Kathren Murrell and Ian Hart 1999-8-11 1333 Placer Lake Tahoe Basin; Antone Meadows UTM's 10 746205E; 4343094N. 2072 Comment
  UCD44508  Equisetum arvense C. E. H. R. Meadow Assessment; Kathren Murrell and Kara DeVries 2000-7-7 1874 Placer Lake Tahoe Basin; Buck Lake. UTM's 10 742958E; 4326244N. 2340 Comment
  UCD44510  Equisetum arvense C. E. H. R. Meadow Assessment; Kathren Murrell and Kara DeVries 2000-7-7 1876 Placer Lake Tahoe Basin; Buck Lake. UTM's 10 742958E; 4326244N. 2340 Comment
  UCD44910  Equisetum arvense C. E. H. R. Meadow Assessment; Kathren Murrell and Kara DeVries 2000-8-23 2275 El Dorado Lake Tahoe Basin; North Benwood. UTM's 10 758000E; 4299200N 2267 Comment
  UCD60399  Equisetum arvense Ellen Dean; K. Mawdsley, K. Ehmsen, and M. Starbuck 2007-6-15 3962 El Dorado Washoe Meadows State Park. Angora Meadows, edge of meadow near forest. 1922 Comment
  UCD80278  Equisetum arvense CNPS SN Foothill Team 2005-4-13 SNFN 0107 a Placer Placer Legacy, Didion Ranch, east of Spear's Ranch, on the north bank of Coon Creek, approximately 500 meters west of the east boundary of the study area. 143 Comment
  UCD84013  Equisetum arvense Ellen Dean; G. Harrington, C. Thomsen, L. Sarafini 2010-6-16 6186 Lake Cache Creek Wilderness. Southern part of Wilderness accessed by west forks of Rocky Creek Road. Rocky Creek Drainage, north of (below) waterfall and large boulders. 642 Comment
  UCD86871  Equisetum arvense Ellen Dean; K. Mawdsley, R. and R. Norris,T. and M. Starbuck,G. Walden 2010-6-29 6378 Alpine Grover Hot Springs State Park, W of town of Markleeville. Western side of park NW of hot springs, just S of Hot Springs Creek. 1795 Comment
  UCD89539  Equisetum arvense Ellen Dean; K. Mawdsley 2010-7-18 6710 Alpine Grover Hot Springs State Park, W of Markleeville. South side of Hot Springs Creek, S of main camping areas, near picnic area. 1781 Comment
  UCD97279  Equisetum arvense Albert Grigarick 2010-7-2 217 Nevada Approx. 100 yds south of Sagehen Field Station. 1936 Comment
  UCR100258  Equisetum arvense Ed LaRue, Sharon Dougherty 1997-6-6 s.n. San Bernardino San Bernardino Mountains, North Fork Deep Creek and adjacent slopes, from Snow Valley to Green Valley Lake Road and near Camp Wintaka 1951 Comment
  UCR101995  Equisetum arvense R. G. Swinney 1992-10-17 1949 San Bernardino Eastern San Gabriel Mtns, Cajon Wash, 0.25 mi south of Swarthout Canyon Road and the junction with Cajon Wash 820 Comment
  UCR103680  Equisetum arvense Scott D. White 1992-7-9 532 San Bernardino San Bernardino Mtns, N of Hwy 18, bank of Metcalf Creek near confluence with Big Bear Lake, City of Big Bear Lake 2073 Comment
  UCR103741  Equisetum arvense S. J. Myers 1991-10-3 92 7 San Bernardino Mojave Desert, Mojave Narrows Regional Park, within 0.5 km of Horseshoe Lake Comment
  UCR106375  Equisetum arvense Scott D. White 1997-4-16 4997 San Bernardino Cajon Pass, Cajon Wash: near 'Blue Cut' & 'Keenbrook,' c. 4-5 road mi south of Hwy 138 junction w/ Interstate 15 Fwy. 793 Comment
  UCR108391  Equisetum arvense L. C. Wheeler 1961-6-24 7904 Riverside San Jacinto Mountains, Strawberry Creek at Idyllwild Arts Foundation, Idyllwild. Comment
  UCR118589  Equisetum arvense David Charlton 1989-7-30 3877 Inyo Sierra Nevada Mtns., South Fork Bishop Creek near Four Jeffrey Campground, near confluence with Middle Fork, c. 5 km east of Lake Sabrina , c. 23 km SW of Bishop, Inyo National Forest 2500 Comment
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Mar 7 2017
  UCR12591  Equisetum arvense B. Erickson 1972-5-4 22 San Bernardino San Bernardino Mountains, 11 mi east ("N") of Camp Angelus on Hwy 38, 1 mi upstream from road [vicinity of South Fork Campground, probably on S Fork S.A. River or Lost Creek] 2134 Comment
  UCR128305  Equisetum arvense Scott D. White, Teresa Salvato, Lia DeMarco, Jessica Christian 2001-6-30 8627 B Riverside San Jacinto Mtns, Idyllwild area; 'Strawberry Fuelbreak' between Inspiration Point and Strawberry Creek. I.e., southwest terminus of Double View Dr. west to creek 1646 Comment
  UCR132022  Equisetum arvense George K. Helmkamp 2003-10-8 8204 San Luis Obispo Central Coast, base of Nipomo Mesa 0.25 mi SW of Halcyon Rd along an unnamed road near the railroad crossing 15 Comment
  UCR143000  Equisetum arvense G. D. Wallace 1966-6-17 604 Mono E slope Sierra Nevada Mtns., [Sonora Junction] along Hwy 108 just west of jct. with Hwy 395 2104 Comment
  UCR150043  Equisetum arvense L. C. Wheeler 1967-9-15 10777 San Bernardino San Gabriel Mtns., Glenn Ranch, Lytle Creek [Sportsman] Park Comment
  UCR158875  Equisetum arvense Scott D. White 1994-8-16 2372 San Bernardino San Bernardino Mtns, between Hwy 18 and the southwest shore of Big Bear Lake between Kidd Cove and Fisher Cove 2073 Comment
  UCR159944  Equisetum arvense L. C. Wheeler 1967-7-13 9988 San Bernardino East San Gabriel Mtns, Lytle Creek, Miller Narrows, near Ranger Station 846 Comment
  UCR16313  Equisetum arvense K. H. Fisher 1968-5-14 06 San Diego Santa Ana Mountains, De Luz Creek, 0.25 mi downstream from confluence of E & W forks, near De Luz School 61 Comment
  UCR171400  Equisetum arvense George K. Helmkamp, E. A. Helmkamp 2005-9-30 9965 Placer Northern Sierra Nevada Mtns., c. 3.5 mi NW of Lake Tahoe; Along the Truckee River and Calif. Highway 89, 0.1 mi N of Alpine Meadows Road 1902 Comment
  UCR174229  Equisetum arvense A. C. Sanders, Fred M. Roberts, Michelle Balk 2006-7-20 33038 Orange Peninsular Range; Santa Ana Mtns., San Juan Canyon, from Lower San Juan Picnic Area to c. 1 mile downstream, parallel to Hwy 74 and near Riverside Co. line 396 Comment
  UCR177688  Equisetum arvense S. B. Parish 1910-2-28 8001 San Bernardino San Bernardino Valley, San Bernardino Valley 300 Comment
  UCR179467  Equisetum arvense R. G. Swinney 1996-8-12 5255 San Bernardino Eastern San Gabriel Mtns., c. 0.6 mi. SW of junction of Swarthout Canyon Rd. and Cajon Rd. 805 Comment
  UCR189826  Equisetum arvense R. G. Swinney 1998-9-4 6903 A Los Angeles San Gabriel Mtns, Vincent Gap, off trail c. 350 m SE of parking area at spring near canyon bottom 1988 Comment
  UCR189859  Equisetum arvense R. G. Swinney 1998-7-10 6411 Los Angeles San Gabriel Mtns., Prairie Fork Canyon, 0.5 mi. west of Cabin Flats Campground 1585 Comment
  UCR190634  Equisetum arvense George K. Helmkamp, E. A. Helmkamp 2007-9-2 12880 El Dorado Northern Sierra Nevada Mountains Foothills, Grizzly Flat Road 5.2 miles ESE of Somerset, just west of Coles Station 957 Comment
  UCR197806  Equisetum arvense George K. Helmkamp, E. A. Helmkamp 2008-6-9 13635 Amador Northern Sierra Nevada Mountains, Panther Creek Road, 0.6 mile south of its junction with CA-88, jct. is 4.0 miles east of Cook's Station 1607 Comment
  UCR202585  Equisetum arvense Scott D. White, Justin M. Wood 2008-7-8 12373 Riverside San Jacinto Mountains, Hurkey Creek Watershed - Bonita Vista Road, c. 1/2 mi east and west of Hurkey Creek crossing 1537 Comment
  UCR212573  Equisetum arvense Jon P. Rebman, Jeannie Gregory, Karen Rich 2009-6-16 18157 San Diego Cuyamaca Rancho State Park, south of Middle Peak, along the creek and in the valley southeast of the junction of Azalea Spring Fire Road and Milk Ranch Road. Square: M20 1510 Comment
  UCR219654  Equisetum arvense George K. Helmkamp, E. A. Helmkamp 2009-11-3 15719 El Dorado Sierra Nevada Mountains Foothills, at a bridge on Grizzly Flat Road 8.0 miles east of its junction with Hwy E-16 at Somerset 925 Comment
  UCR230801  Equisetum arvense Jim Andre, Tasha La Doux 2006-7-1 15277 Inyo Eastern Sierra Nevada Range, Big Pine Canyon, along Big Pine Creek at private cabin 3 mi east of Glacier Lodge cabins 2088 Comment
  UCR232656  Equisetum arvense George K. Helmkamp, E. A. Helmkamp 2011-9-30 18354 Nevada Foothills, northern Sierra Nevada Mountains, Mule Spring Rd. off Lowell Hill Road, 6.2 miles northeast of Lowell Hill junction with Dutch Flat X Road at lower end of Bear River Reservoir 1189 Comment
  UCR236289  Equisetum arvense Jon P. Rebman, Warren Schmidtmann, Jim Rocks, volunteers 2010-12-2 20490 San Diego Camp Pendleton; India Training Area; along De Luz Road south of Camp De Luz; vicinity of the convergence of Santa Margarita River and De Luz Creek. Square D6. 40 Comment
  UCR243356  Equisetum arvense Ann Howald 1975-6-25 537 Mono Eastern Sierra Nevada Mtns., Univ. of California Valentine Camp Reserve, 2380 Old Mammoth Road, 2.3 miles southwest of its intersection with Hwy 203. 2455 Comment
  UCR246434  Equisetum arvense Jim Andre 2011-7-11 20379 Inyo Eastern Sierra Nevada Mtns., Pine Creek Canyon, along creek 5.2 mi. west of US 395 1769 Comment
  UCR249740  Equisetum arvense Jon P. Rebman, Warren Schmidtmann, G. Kenney 2013-5-21 26634 San Diego Camp Pedleton, south-central portion of the base; Training Area SMR2, northeast of the intersection of Vandegrift Blvd and Basilone Road, east of Area 25, sandy flat along the northwest sided of the Santa Margarita River. Square: E6 25 Comment
  UCR250597  Equisetum arvense George K. Helmkamp, Mary Alice Barnes 2013-4-24 20393 Calaveras Northern Sierra Nevada Mountains Foothills, Along CA-26 (West Point-Pioneer Rd.), at the west side of the bridge over North Fork Mokelumne River 654 Comment
  UCR250626  Equisetum arvense George K. Helmkamp, Mary Alice Barnes 2013-4-24 20405 Calaveras Northern Sierra Nevada Mountains Foothills, Winton Road, 1.9 miles east of its junction with CA-26 in West Point 652 Comment
  UCR255705  Equisetum arvense Peter Rubtzoff 1972-10-26 7047 El Dorado Sierra Nevada Mountains, U.C. Blodgett Forest Research Station; East Fork of Gaddis Creek, north of New Gaddis Creek Road crossing 1311 Comment
  UCR261527  Equisetum arvense Joseph Cahill 2010-12-4 1210- 01 Santa Barbara Western Transverse Range, along Refugio Rd. about 0.3 mile north of Hwy 101, where Refugio Rd. crosses stream 20 Comment
  UCR279844  Equisetum arvense Peter Rubtzoff 1976-3-14 8444 San Mateo San Francisco Bay Region, San Bruno Mountains. 'Saddle' area on north side of Guadalupe Canyon Parkway west of Radio Road junction; upper part of East Fork Colma Creek Canyon 220 Comment
  UCR70069  Equisetum arvense Scott D. White, S. J. Myers 1991-9-26 91- 01 San Bernardino Mojave Desert, Mojave River floodplain at Mojave Narrows Regional Park, 0.5 km north of Pelican Lake 838 Comment
  UCR83712  Equisetum arvense A. C. Sanders, P. J. MacKay 1994-6-19 14841 San Bernardino San Bernardino Mtns., lower Miller Canyon (E fork of W fork of Mojave River), below Pilot Rock Camp 1128 Comment
  UCR85924  Equisetum arvense Scott D. White 1992-6-16 92- 436 San Bernardino San Bernardino Mountains, San Bernardino National Forest, vicinity of Rock Camp Ranger Station, from the station to c. 1 mi due east, & at widest part of site, south to Hwy 173 1500 Comment
  UCSB69352  Equisetum arvense Tatum, James 1978-8-13 Tulare Olancha Peak; Located on the county line along the crest of the Sierra Nevada, and within the Inyo National Forest; 5.2 miles WSW of the town of Olancha. 2618 Comment
  VVC1069  Equisetum arvense P. J. MacKay, Tim Thomas 1997-6-22 433 Inyo Southern Sierra Nevada, Northwestern portion of Monache Meadow. Monache Mdw road end. 2433 Comment
  VVC2499  Equisetum arvense Tim Thomas 1992-8-8 1591 Inyo Southern Sierra Nevada, Cottonwood Lakes Basin. Vicinity of trail xing of S Fk Ck 3049 Comment
  YM-YOSE117117  Equisetum arvense Alison Colwell 2005-9-7 AC 05 -398 Tuolumne MINERAL SPRING ON ALKALI CREEK 2.1 KM N OF CONFLUENCE WITH CONNESS CREEK, YOSEMITE NATIONAL PARK Comment
  YM-YOSE117118  Equisetum arvense Alison Colwell 2005-9-7 AC 05 -398 Tuolumne MINERAL SPRING ON ALKALI CREEK 2.1 KM N OF CONFLUENCE WITH CONNESS CREEK, YOSEMITE NATIONAL PARK Comment
  YM-YOSE59284  Equisetum arvense Enid Michael 1924-4-19 Mariposa YOSEMITE VALLEY Comment
  YM-YOSE67212  Equisetum arvense Carl W. Sharsmith 1944-7-21 4978 Mariposa PEREGOY MEADOW ON BRIDALVEIL CREEK DRAINAGE 2164 Comment
  CAS-BOT-BC258912  Equisetum arvense Peter Rubtzoff 1987-9-28 9862 Alameda University of California campus. North Fork of Strawberry Creek, north of Life Sciences Building, Berkeley. Comment
  CAS-BOT-BC350929  Equisetum arvense Peter Rubtzoff 1972-10-26 7047 El Dorado U.C. Blodgett Forest Research Station: East Fork of Gaddis Creek, north of New Gaddis Creek Road crossing. Comment
  CAS-BOT-BC56940  Equisetum arvense Mrs. H. C. Cantelow 1941-5-16 s.n. Nevada North shore of Donner Lake Comment
  CAS-BOT-BC56945  Equisetum arvense G. B. Grant 1902-9-13 Z 3700 Siskiyou Sisson, N. Cal Comment
  CAS-BOT-BC56946  Equisetum arvense Barbara T. Keller 1974-5-9 1305 Shasta Highway 44 between Viola and Shingetown, 1/2 mile north of Camp McCumber turnoff, over Battle Creek Comment
  CAS-BOT-BC56951  Equisetum arvense C. R. Quick 1948-7-8 48 -33 Tuolumne Cow Creek Public Camp Ground, Stanislaus Nat'l Forest Comment
  CAS-BOT-BC56954  Equisetum arvense J. W. Blankinship 1923-5-6 s.n. Lake Upper Kelsey Cr., swamps at Power House 914 Comment
  CAS-BOT-BC56955  Equisetum arvense Vernal Yadon 1969-5-12 s.n. Monterey along Nacimiento River, Ponderosa Camp, Nacimiento-Ferguson Road Comment
  CAS-BOT-BC56956  Equisetum arvense C. R. Quick 1972-7-22 72 -15 Yolo East bank of Merrit Island at junction of road 142 Comment
  CAS-BOT-BC56958  Equisetum arvense E. E. Stanford 1927-5-26 438 San Joaquin Stockton, in Calaveras River bottom Comment
  CAS-BOT-BC56961  Equisetum arvense Peter H. Raven 1951-6-30 3150 Madera on road between Minaret Summit and Agnew Meadows 2590 Comment
  CAS-BOT-BC56962  Equisetum arvense Miss E. Cannon 1896-7-7 s.n. Santa Clara Guadalupe River near Agnew Comment
  CAS-BOT-BC56963  Equisetum arvense Beatrice F. Howitt 1963-10-11 1811 Monterey By side of the Carmel River on the shore at the Sanford place on south side of Carmel Valley Comment
  CAS-BOT-BC56964  Equisetum arvense Beatrice F. Howitt 1963-9-30 1771 Monterey In the Salinas River bed near the bridge on Black Rd., about 1 mile east of Reservation Rd. and west of Salinas Comment
  CAS-BOT-BC56965  Equisetum arvense Hans Leschke 1960-9-7 1790 Shasta Lassen Volcanic National Park, park boundary north of Willow Lake 1661 Comment
  CAS-BOT-BC56966  Equisetum arvense Hans Leschke 1960-8-8 1743 Shasta Lassen Volcanic National Park, Lassen Loop Hwy: Cold Spring at head of Little Hot Spring Valley 2423 Comment
  CAS-BOT-BC56968  Equisetum arvense Hans Leschke 1956-9-20 s.n. Shasta Hat Lake 1965 Comment
  CAS-BOT-BC56971  Equisetum arvense W. B. Holt 1952-9-14 s.n. Madera The Pines, Bass Lake 1066 Comment
  CAS-BOT-BC56972  Equisetum arvense R. F. Hoover 1950-3-5 7768 San Luis Obispo Piedras Blancas Point (just north of) Comment
  CAS-BOT-BC56973  Equisetum arvense R. F. Hoover 1950-3-5 7768 San Luis Obispo Piedras Blancas Point (just north of) Comment
  CAS-BOT-BC56974  Equisetum arvense Joseph P. Tracy 1937-7-2 15391 Humboldt Happy Camp Mountain (in Trinity Summit Range, northeast of Hawkins Bar.) 1280 Comment
  CAS-BOT-BC56978  Equisetum arvense Peter H. Raven 1952-5-31 4111 Napa Conn Cr. e. of Yountville 45 Comment
  CAS-BOT-BC56982  Equisetum arvense Gordon H. True 1961-8-31 220 Nevada At bridge on Greenhorn Creek on Red Dog road 670 Comment
  CAS-BOT-BC56983  Equisetum arvense Gordon H. True 1969-10-14 5141 Nevada Nevada City-North San Juan Hwy. at Shady Creek, 8 1/2 mi. NW of Nevada City 548 Comment
  CAS-BOT-BC56986  Equisetum arvense Wm. A. Nisbet 1957-7-26 s.n. Nevada Sagehen Creek, 12 miles n. of Truckee 1981 Comment
  CAS-BOT-BC56987  Equisetum arvense S. Rauwendaal 1981-5-16 063 Nevada Yuba Pass 2057 Comment
  CAS-BOT-BC56989  Equisetum arvense Lowell Ahart 1968-5-20 s.n. Plumas Sam's Camp, near Webber Lake, Lodgepole Forest 2133 Comment
  CAS-BOT-BC56999  Equisetum arvense W. I. Follett 1961-7-14 s.n. Plumas Estray Creek, 1.5 mi. below Spring Garden Comment
  CAS-BOT-BC57003  Equisetum arvense John Thomas Howell; Gordon H. True 1967-7-9 43257 Plumas North Fork of Feather River 4.3 miles southwest of Caribou 792 Comment
  CAS-BOT-BC57008  Equisetum arvense M. S. Taylor 1981-7-21 4088 Plumas Spring Garden quad. Along small creek that feeds into Squirrel Creek, ca. 0.5 mi n of jct 401 and 25N42, 1371 Comment
  CAS-BOT-BC57009  Equisetum arvense M. S. Taylor 1982-5-13 4439 Plumas Quincy quad., n edge of Spanish Creek, Gansner Park, Quincy 1036 Comment
  CAS-BOT-BC57011  Equisetum arvense Clare B. Hardham 1957-6-30 2415 Mono tributary of Green Creek 2590 Comment
  CAS-BOT-BC57014  Equisetum arvense Donald Myrick 1960-7-27 181 Mono on trail to Sotcher Lake from Reds Meadow beyond Devil's Postpile, Mammoth Lakes 2316 Comment
  CAS-BOT-BC57015  Equisetum arvense Percy Train 1937-5-31 s.n. Mono Robinson Creek, near Bridgeport, E. slope Sierras 1828 Comment
  CAS-BOT-BC57024  Equisetum arvense Peter Rubtzoff 1956-11-3 3026 San Francisco San Miguel Hills, bottom of canyon east of O'Shaughnessy Blvd. Comment
  CAS-BOT-BC57025  Equisetum arvense Peter Rubtzoff 1956-4-29 2380 San Francisco San Miguel Hills, bottom of canyon east of O'Shaughnessy Blvd. Comment
  CAS-BOT-BC57027  Equisetum arvense 1999-5-6 s.n. San Francisco Islair Creek, San Francisco Comment
  CAS-BOT-BC57028  Equisetum arvense A. D. E. Elmer 1903-5-1 4602 San Mateo Cemeteries Comment
  CAS-BOT-BC57030  Equisetum arvense Phillip C. Wheeler 1965-5-23 s.n. San Mateo N. W. Radio Road Comment
  CAS-BOT-BC57031  Equisetum arvense J. H. Hatton 1912-9-15 H- 49 Sierra Sierra National Forest, Blaney Meadows 2255 Comment
  CAS-BOT-BC57036  Equisetum arvense Peter Rubtzoff 1954-8-13 1721 Sonoma Bodega Head Marsh Comment
  CAS-BOT-BC57038  Equisetum arvense Peter Rubtzoff 1954-8-13 1705 Sonoma Bodega Head Marsh Comment
  CAS-BOT-BC57043  Equisetum arvense Peter Rubtzoff 1951-6-30 300 Sonoma Western branch of the Upper Marsh Comment
  CAS-BOT-BC57045  Equisetum arvense Peter Rubtzoff 1959-6-7 4108 Sonoma Russian River betw. Vacation Beach and East Guernewood near Guerneville Comment
  CAS-BOT-BC57049  Equisetum arvense Roxana S. Ferris; Laura Lorraine 1950-7-27 12246 Tulare Soda Spring, on Soda Spring Creek, Sequoia Natl. Forest 2590 Comment
  CAS-BOT-BC57050  Equisetum arvense Roxana S. Ferris; Laura Lorraine 1942-7-16 10677 Tulare East Fork of Kaweah River at Mineral King, Sequoia National Forest 2377 Comment
  CAS-BOT-BC57051  Equisetum arvense Roxana S. Ferris; Laura Lorraine 1950-7-27 12246 Tulare Soda Spring, on Soda Spring Creek, Sequoia Natl. Forest 2590 Comment
  CAS-BOT-BC57057  Equisetum arvense Ernest C. Twisselmann 1964-10-21 10377 Tulare South Fork of Kern River between Rock House Basin & Rock House Meadow 1714 Comment
  CAS-BOT-BC57060  Equisetum arvense Ernest C. Twisselmann; Donald J. Bedell 1972-7-5 18697 Tulare South Fork of Kern River at the southeast end of Monache Meadow 2407 Comment
  CAS-BOT-BC57061  Equisetum arvense Ernest C. Twisselmann; Eben McMillan 1968-9-26 14951 Tulare Streambank 0.25 miles above the end of the road 2499 Comment
  CAS-BOT-BC57062  Equisetum arvense Ernest C. Twisselmann; Eben McMillan 1968-9-26 14951 Tulare Streambank 0.25 miles above the end of the road 2499 Comment
  CAS-BOT-BC57064  Equisetum arvense Ernest C. Twisselmann; Eben McMillan; Liberto R. Nathan; Robert Burkhart 1971-8-29 18182 Tulare Junction of Red Rock and Nine Mile creeks 1965 Comment
  CAS-BOT-BC57065  Equisetum arvense Ernest C. Twisselmann; Eben McMillan; Liberto R. Nathan; Robert Burkhart 1971-8-31 18508 Tulare Kern River at Painter's Camp 1597 Comment
  CAS-BOT-BC57904  Equisetum arvense John Thomas Howell 1949-4-27 25310 Marin S. of Tomales. Comment
  CAS-BOT-BC57907  Equisetum arvense John Thomas Howell 1944-9-24 20759 Marin N. end Bolinas Lagoon. Comment
  CAS-BOT-BC57909  Equisetum arvense John Thomas Howell 1947-4-2 23051 Marin Locust Ave., Mill Valley. Comment
  CAS-BOT-BC57910  Equisetum arvense John Thomas Howell 1957-7-22 32818 Marin Pt. reyes Peninsula, near Drake's Bay. Comment
  CAS-BOT-BC57912  Equisetum arvense John Thomas Howell 1945-5-20 20876 Marin Tiburon. Comment
  CAS-BOT-BC57913  Equisetum arvense John Thomas Howell 1940-5-12 15415 Marin Lagunitas Creek. Comment
  CAS-BOT-BC57919  Equisetum arvense Miss E. Cannon 1898-6-18 s.n. Santa Cruz Arcadia, Santa Cruz Mountains. Comment
  CAS-BOT-BC57922  Equisetum arvense V. F. Hesse 1944-8-9 552 Santa Cruz Boulder Creek. 176 Comment
  CAS-BOT-BC57928  Equisetum arvense John Thomas Howell 1944-8-3 19863 Inyo W. side of Sonora Pass. 2346 Comment
  CAS-BOT-BC57929  Equisetum arvense Hans Leschke 1944-8-2 s.n. Inyo Bishop Creek Region. 2773 Comment
  CAS-BOT-BC57930  Equisetum arvense Mary DeDecker 1959-8-23 1118 Inyo Sierra Nevada, Sawmill Creek. 2133 Comment
  CAS-BOT-BC57932  Equisetum arvense E. W. Graham 1932-5-19 439 Inyo Pennsylvania: 4 mi. s. of Linesville. Comment
  CAS-BOT-BC57933  Equisetum arvense Mark Kerr 1940-4-5 s.n. Inyo Division Creek Intake. Comment
  CAS-BOT-BC57934  Equisetum arvense Clifton F. Smith 1963-6-13 8310 Kern On s. side of Mill Potrero, on a dirt road between Mt. Abel and Cuddy Valley. Comment
  CAS-BOT-BC57940  Equisetum arvense Ernest C. Twisselmann 1963-7-27 8541 Kern Little Poso Creek below Pettitt Meadow. 1417 Comment
  CAS-BOT-BC57941  Equisetum arvense Ernest C. Twisselmann 1963-7-27 8541 Kern Little Poso Creek below Pettitt Meadow. 1417 Comment
  CAS-BOT-BC57944  Equisetum arvense Ernest C. Twisselmann 1962-9-20 7893 Kern Shirley Meadows. 1981 Comment
  CAS-BOT-BC57945  Equisetum arvense Ernest C. Twisselmann 1961-7-26 6380 Kern Kern River, 0.5 mi. s. of River Kern. 929 Comment
  CAS-BOT-BC57946  Equisetum arvense Ernest C. Twisselmann 1962-9-20 6500 Kern Shirley Meadows, The Greenhorn Range. 1981 Comment
  CAS-BOT-BC57952  Equisetum arvense John Thomas Howell 1954-5-16 29651 El Dorado Placerville. 563 Comment
  CAS-BOT-BC57953  Equisetum arvense G. L. Smith 1959-6-15 1160 El Dorado Glen Alpine Rd. beyond Fallen Leaf Lake, betw. gate and waterfalls. 2255 Comment
  CAS-BOT-BC57954  Equisetum arvense Elsie Zeile Lovegrove 1950-10-16 s.n. El Dorado Road to Lily Lake, Lake Tahoe Basin. Comment
  CAS-BOT-BC57955  Equisetum arvense Alice Eastwood 1909-1-1 108 El Dorado Ward Creek. Comment
  CAS-BOT-BC57960  Equisetum arvense Henry M. Pollard 1951-7-29 s.n. Fresno N. Shore at Blue Jay Camp. 2133 Comment
  CAS-BOT-BC57964  Equisetum arvense Chas. H. Quibell 1958-8-3 8015 Fresno Unnamed lake at 10,350' (3/5 m. nw. of & 500' below Depressed L. - whose outflow comes underground to this lake on 1st Comment
  CAS-BOT-BC57966  Equisetum arvense W. R. Dudley 1900-8-11 3232 Fresno Kings River , Southern Sierra Nevada. Comment
  CAS-BOT-BC57968  Equisetum arvense C. DiGiovanni 1966-7-21 66 -0024 Fresno Sequoia National Forest. Along Indian Creek. 1584 Comment
  CAS-BOT-BC57971  Equisetum arvense John Thomas Howell 1953-5-22 28984 Fresno Cedar Ridge Road near Twain Harte. 1066 Comment
  CAS-BOT-BC57972  Equisetum arvense L. Beane; C. Quibell; R. S. Ferris 1950-6-25 1855 Fresno Mono Creek, at road branch to Boggy Meadow, Sierra National Forest. 2407 Comment
  CAS-BOT-BC57974  Equisetum arvense Peter H. Raven 1954-7-11 7334 Fresno Near Kings Camp, Bear Creek. 2712 Comment
  CAS-BOT-BC57988  Equisetum arvense Elsie Zeile Lovegrove 1941-9-6 s.n. Alpine Bank of w. Carson River, Hopa Valley. Comment
  CAS-BOT-BC57990  Equisetum arvense John Thomas Howell 1964-8-10 40920 Alpine Markleeville. 1676 Comment
  CAS-BOT-BC57991  Equisetum arvense B. Howitt 1958-7-11 54 Alpine E. Carson River near Markleeville. 1676 Comment
  CAS-BOT-BC57997  Equisetum arvense Saichi Kawahara 1968-5-4 360 Butte Colusa-Hamilton City Road, 1 mi. n. of Princeton Ferry, w. bank of Sacramento River. 30 Comment
  CAS-BOT-BC57998  Equisetum arvense John Thomas Howell 1969-9-12 46095 El Dorado Near Riverton. 1005 Comment
  CAS-BOT-BC58000  Equisetum arvense John Thomas Howell 1943-7-19 18587 El Dorado Summit Valley. Comment
  CAS-BOT-BC8997  Equisetum arvense Peter Rubtzoff 1987-9-28 9862 Alameda Berkeley, University of California campus. N fork of Strawberry Creek north of Life Sciences Bldg. Comment
  CDA42484  Equisetum arvense M. P. Kelly 1925-3-3 131 Alameda Berkeley; south of road and creek, Claremont. 0 Comment
  CDA42485  Equisetum arvense W. S. Wilkinson 1928-6-7 s.n. Shasta About 1 mile north of Redding; near river. 0 Comment
  CHSC116377  Equisetum arvense Sara M. Taylor; Scott Batiuk 2012-7-31 56 Plumas Plumas National Forest. Maples Flat. Follow signs from Bucks Lake Rd. to Smith Lake (via Snake Lake). Take left (west) onto 23N20. Continue west onto 25N57, left onto 25N59 (fen is ~800 m west of Drosera Pond). UTM zone 10, 4428172 N, 659702 E. 1573 Comment
  CLARK-A1528-4950  Equisetum arvense John C. Roos 1936-7-12 San Bernardino San Bernardino Comment
  HSC100382  Equisetum arvense Carl C. Marshall May 1886 199 Humboldt Fields. Comment
  HSC36242  Equisetum arvense John Rehling 1975-5-12 73 Humboldt Near S end of Big Lagoon, growing along Hwy. 101 Comment
  HSC43879  Equisetum arvense B. Reinhardt 1974-7-10 237 Del Norte Elk Valley, Forks of Blue trail Comment
  HSC61307  Equisetum arvense Ruby Van Deventer 1960-7-15 Del Norte Elk Valley 1524 Comment
  HSC66751  Equisetum arvense Melany Seacat, Deni Seymour 1979-5-16 163 Mendocino Big River Estuary, N side of river, 5.25 mi. upriver 0 Comment
  HSC71087  Equisetum arvense Thomas W. Nelson, Jane Nelson 1977-5-30 3406 Humboldt Back bay of Mad River at Anderson's Ford 640 Comment
  HSC856  Equisetum arvense M. T. Milligan 1965-6-26 321 Modoc E of Jess Valley 1585 Comment
  HSC98608  Equisetum arvense Cara Witte 2008-6-15 737 Humboldt National Forest 1. 1.5 miles north of intersection with Forest Service Road 6N01B. 1487 Comment
  IRVC23304  Equisetum arvense Karlin G. Marsh 1987-9-10 s.n. Sacramento Ca. 3km SSE Folson Great Valley 100 Comment
  JEPS60145  Equisetum arvense Joseph Andorfer Ewan 1932-6-16 7283 Los Angeles below Charlton Flats; San Gabriel Mts., Price Mt. Region 1524 Comment
  JEPS60147  Equisetum arvense W. L. Jepson 1932-7-24 16378 Humboldt near Camp Grant (bank of main Eel River); Eel River 91 Comment
  JEPS73101  Equisetum arvense Gladys L. Smith 1972-7-20 3307 El Dorado meadow at Glen Alpine Spring 2194 Comment
  JEPS79603  Equisetum arvense Edward Lee 1956-8-12 Mono Lee Vining Canyon 2286 Comment
  MACF015241  Equisetum arvense Chris M. Johnson 1970-5-9 BB 12 b Mendocino Collected in redwood forest area on Highway 122 426 Comment
  MACF015282  Equisetum arvense F. A. MacFadden 1933-7-11 16030 Placer Canyon Creek, Monte Vista, Placer Co, California Comment
  MACF015741  Equisetum arvense Donald L. Branscomb 1959-7-11 27248 Nevada Donner Lake, California Comment
  MACF015818  Equisetum arvense Fulgham; Draper 1973-5-5 40 Monterey Indians, La Venturi Rd., 22 mi. NW of Jolon, Las Padres National Forest Comment
  MACF027329  Equisetum arvense C. Kutcher 1981-5-16 FW- 20 Santa Barbara Near Gaviota Hot Spring, about 0.5 mile east of US 101, north of Gaviota Pass Comment
  OBI1001  Equisetum arvense R. F. Hoover 1950-3-5 7768 San Luis Obispo Piedras Blancas Point (just north of) Comment
  OBI1003  Equisetum arvense Robert J. Rodin 1964-6-20 7076 Tuolumne Along Dead Man's Creek, Sonora Pass area. 2743 Comment
  OBI1006  Equisetum arvense R. J. Rodin 1957-7-6 6151 Mariposa About 10 miles down the Merced River from El Portal near road. Comment
  OBI1041  Equisetum arvense F. W. Wakefield III 1963-3-27 90 Monterey 1st tributary to Rocky Creek on Rd. to Boucher Gap from Palocolorado Canyon. Comment
  OBI35076  Equisetum arvense Eric Wise 1981-6-26 713 San Luis Obispo Arroyo Laguna. 15.2 mi. S. of Monterey Border. Comment
  OBI35079  Equisetum arvense Eric Wise 1981-11-29 1248 San Luis Obispo Lopez Canyon. Approx. 6 miles NW of Hi Mtn. Road. Comment
  OBI35912  Equisetum arvense Mark Elliott 1979-5-18 309 Tulare Sequoia National Park. Log Bridge Campground. 2073 Comment
  OBI5082  Equisetum arvense Robert J. Rodin 1970-8-27 8422 b Tuolumne Along Highland Creek. Comment
  OBI64540  Equisetum arvense David J. Keil 2001-3-27 29183 San Luis Obispo Los Osos, at intersection of South Bay Blvd. and Los Olivos Ave. Comment
  OBI80231  Equisetum arvense David J. Keil 1986-1 19548 Tulare Sierra Nevada. Sequoia National Forest. Vicinity of Quaking Aspen campgound. Comment
  PGM458  Equisetum arvense Vern Yadon 1969-5-12 Monterey Santa Lucia Mountains, Nacimiento-Fergusson Rd, Pondarosa Camp along Nacimiento Riv Comment
  PGM5713  Equisetum arvense Beatrice F Howitt 1963-10-21 1811 Monterey Sierra de Salinas, Carmel River along, Sanford place at Comment
  PGM5714  Equisetum arvense Beatrice F Howitt 1963-9-30 1771 Monterey Salinas Valley, Salinas River bed, Bridge at Black Rd near Comment
  POM11147  Equisetum arvense P. A. Munz 1922-7-17 6070 San Bernardino San Antonio Canyon. Below Camp Baldy. San Gabriel Mtns. 1280 Comment
  POM119661  Equisetum arvense Marcus E. Jones 1897-7-7 s.n. Shasta Lassen's Peak. 1828 Comment
  POM147792  Equisetum arvense E. E. Stanford 1927-5-26 438 San Joaquin Stockton, Calaveras River bottom. Comment
  POM18114  Equisetum arvense P. A. Munz 1923-5-26 6839 Los Angeles Head of Vincent Gulch, San Gabriel Mts. springy places 1982 Comment
  POM211792  Equisetum arvense L. C. Wheeler 1933-8-20 2090 Los Angeles In sunny stream. Pine Canyon Dam, San Gabriel Mts. 305 Comment
  POM281812  Equisetum arvense Lyman Benson 1934-4-8 5782 Kern Bakersfield, Kern Island Canal. 122 Comment
  POM281833  Equisetum arvense Arthur L. Cohen 1934-3-16 133 Kern Bakersfield, along the Mill Ditch. 122 Comment
  POM303777  Equisetum arvense Lyman Benson 1947-8-4 12630 Mono Sierra Nevada Mountains, Twin Lakes, Mammoth Lakes. Owens River drainage area. 2591 Comment
  POM9445  Equisetum arvense Culbertson 1904-8-29 4558 Tulare Mineral King. Comment
  POM9735  Equisetum arvense Geo L. Moxley 1916-8-17 509 Los Angeles L.A. riverbed near Broadway Bridge Comment
  RSA0021409  Equisetum arvense J. Von Loh 1978-6-28 s.n. Fresno Near Shaver Lake. Near power plant. 1677 Comment
  RSA0025126  Equisetum arvense Peter Rubtzoff 1972-10-26 7047 El Dorado U.C. Blodgett Forest Research Station: East Fork of Gaddis Creek, north of New Gaddis Creek Road crossing. Comment
  RSA0037241  Equisetum arvense Keith E. Hoffmaster 1941-3-15 s.n. Alameda Berkeley. Comment
  RSA0051550  Equisetum arvense John Klausmeir 1973-5-28 s.n. Tulare 2 miles north of Road's End, South Fork of Kern River. 1219 Comment
  RSA0062645  Equisetum arvense Marion P. Harthill 1971-6-23 371 Modoc Fort Bidwell. Comment
  RSA0077550  Equisetum arvense G. Wallace 1964-5-23 s.n. San Diego San Diego. Comment
  RSA0091210  Equisetum arvense Bonnie C. Templeton 1968-1 11283 Plumas [No location data on label. Possibly Trinity County.] Comment
  RSA114470  Equisetum arvense Chas H. Quibell 1954-7-9 3808 Fresno Shake Camp, 5355 , 2 m. N of Shaver Lake on 168 to Big Creek. 1/2 m. down creek from large meadow at 5550 Music Mtns, 6801 , 1.33 m. WSW. Big Creek 1.5 m. N at 3400 . Comment
  RSA124247  Equisetum arvense Chas H. Quibell 1953-6-21 2341 Fresno Meadow on left fk Rancheria Creek tributary NE of Badger Flats - follow 1/4 m up Crk from point where extension of 168 crosses it at upper end Badger Flats - Kaiser Pass visible up NNE along phone line. 2576 Comment
  RSA131794  Equisetum arvense Chas H. Quibell, Edith M. Quibell 1953-7-7 2511 Fresno W side Mono Creek. 1/8 mile above E end Vermillion Valley. Just below 1st rapids, below high water of prospective reservoir. 2317 Comment
  RSA132481  Equisetum arvense John Whitson 1959-7-13 73 Fresno Opposite Huckleberry Tract, Huntington Lake on right side of main road. 2134 Comment
  RSA146258  Equisetum arvense N. D. Russell 1961-5-14 s.n. Fresno Sequoia Lake, off hwy 180 E by small cove at S corner of lake, about 75 yrds from shore in meadow with large baseball backstop. Comment
  RSA153243  Equisetum arvense Sue Quibell, Chas H. Quibell 1953-7-20 2867 Fresno Ball Diamond mead. down off 168, midway between Shaver L. Heights and rock haven , Shaver L. Comment
  RSA18023  Equisetum arvense C. B. Wolf 1927-8-21 760 Mendocino Along the Redwood Highway 10 miles north of Cummings. Comment
  RSA18114  Equisetum arvense C. F. Baker 1923-5-26 6839 Los Angeles San Gabriel Mountains. Head of Vincent gulch. 1982 Comment
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Dec 20 2015
  RSA201677  Equisetum arvense Robert F. Hoover 1950-3-5 7768 San Luis Obispo Piedras Blancas Point (just N of). Comment
  RSA215919  Equisetum arvense Peter Rubtzoff 1956-4-29 2380 San Francisco San Miguel Hills, bottom of canyon east of O Shaughnessy Blvd, San Francisco Comment
  RSA220234  Equisetum arvense E. C. Twisselmann 1969-10-1 16227 Tulare Taylor Creek below Rattlesnake Meadow. 2192 Comment
  RSA223382  Equisetum arvense Peter Rubtzoff 1956-11-3 3026 San Francisco San Miguel Hills, bottom of canyon E of O Shaughnessy Blvd., San Francisco. Comment
  RSA231917  Equisetum arvense E. C. Twisselmann, Eben McMillan, L. R. Nathan, Robert Burkhart 1971-8-31 18234 Tulare Nine Mile Canyon. 2390 Comment
  RSA247360A  Equisetum arvense Gary D. Wallace 1966-6-17 604 A Mono Along Hwy 108 just W of junction with Hwy 395. E slope of Sierra Nevada. 2317 Comment
  RSA281649  Equisetum arvense S. O. Mattoon 1979-7-4 80 Trinity White Rock G. S. on N rim of S. Fork Trinity River, 8 air miles SSW of Highway 36, at Harrison Gulch, Trinity Mountains. 1524 Comment
  RSA463767  Equisetum arvense James D. Morefield, D. H. McCarty 1986-7-18 4143 Mono White Mtns: at spring along Leidy Creek 1 mile N55 degrees E of Cabin Creek confluence. Fishlake Valley drainage. 2149 Comment
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Sep 21 2015
  RSA518467B  Equisetum arvense Gary D. Wallace 1966-6-17 604 B Mono Along Hwy 108 just W of junction with Hwy 395. E slope of Sierra Nevada. 2317 Comment
  RSA520484  Equisetum arvense Bruce Bartholomew 1989-7-14 4927 Modoc Along Rush Creek between Lower and upper Rush Creek Campgrounds. 1520 Comment
  RSA577152  Equisetum arvense L. C. Wheeler 1933-8-20 2090 Los Angeles In sunny stream. Pine Canyon Dam, San Gabriel Mts. 305 Comment
  RSA58536  Equisetum arvense P. A. Munz 1950-7-24 15348 Tulare Monache Creek near S Fork of Kern River, southern Sierra Nevada. 2683 Comment
  RSA586704  Equisetum arvense Orlando Mistretta, Mark Elvin 1995-6-20 1803 Los Angeles San Gabriel Mountains: Bare Mountain Canyon. 1767 Comment
  RSA602185  Equisetum arvense L. C. Wheeler 1946-10-26 6389 Los Angeles San Gabriel Mountains: San Gabriel Canyon; 0.8 miles upstream from mouth at first bridge, north side. 259 Comment
  RSA603782  Equisetum arvense L. C. Wheeler 1948-6-13 6650 Los Angeles San Gabriel Mountains: Big Tujunga, near Coldwater Canyon. 944 Comment
  RSA604698  Equisetum arvense L. C. Wheeler 1952-9-24 6961 Plumas Indian Creek: A few miles downstream from Crescent Mills.. . Comment
  RSA604699  Equisetum arvense L. C. Wheeler 1952-9-26 6980 El Dorado South Fork American River: 1 mile upstream from Lotus. Comment
  RSA607811  Equisetum arvense L. C. Wheeler 1968-7-21 s.n. Los Angeles San Gabriel Mountains: East Fork Alder Creek off Big Tujunga, at below Charlton Flat; future dam site. Comment
  RSA608671  Equisetum arvense L. C. Wheeler 1963-9-14 8391 Mendocino Fork of Eel River, 3 miles below Eel River Ranger Station, E of Round Valley. Comment
  RSA61017  Equisetum arvense Beatrice Willard 1945-6-15 155 Mono E of lake, W side of Twin Lakes, Mammoth Lakes Area, Inyo National Forest. 2561 Comment
  RSA612919  Equisetum arvense F. M. Cota 1931-05 159 San Diego Santa Isabella Creek 792 Comment
  RSA639352  Equisetum arvense L. C. Wheeler 1933-10-20 2184 Los Angeles San Gabriel River. 70 Comment
  RSA643381  Equisetum arvense Mary DeDecker 1959-8-23 1118 Inyo Sierra Nevada: Sawmill Creek. Mt. Pinchot Quadrangle. 2133 Comment
  RSA684651  Equisetum arvense M. B. Dunkle 1934-7-31 4106 Madera Crater Creek Comment
  RSA684652B  Equisetum arvense Clarence R. Quick 1929-5-4 s.n. San Joaquin Calaveras River bottom, Stockton. Comment
  RSA684655  Equisetum arvense Freda Detmers 1933-8-27 17847 Mono At the head of June Lake. 2327 Comment
  RSA684656  Equisetum arvense Freda Detmers 1933-8-26 17961 Mono Near Rock Creek. Comment
  RSA684657  Equisetum arvense Percy Train 1937-5-31 19650 Mono Robinson Creek, near Bridgeport, E slope Sierras. 1829 Comment
  RSA684658  Equisetum arvense B. C. Templeton 1965-7-4 10537 Mono Mammoth Lakes region, Sierra National Forest. Comment
  RSA684659  Equisetum arvense May N. Ackley 1933-5-2 301 Humboldt Redwood Hwy. Comment
  RSA684660  Equisetum arvense J. Doty 1969-5-10 677 Tulare Redwood Meadows Campground, along western divide. Sequoia National Forest. 1829 Comment
  RSA684678  Equisetum arvense Malcolm M. Rice 1924-7-4 s.n. Santa Barbara Veronica Springs Road, Santa Barbara. Comment
  RSA684679  Equisetum arvense Malcolm M. Rice 1924-7-4 5123 Santa Barbara Veronica Springs Road, Santa Barbara. Comment
  RSA684680  Equisetum arvense Malcolm M. Rice 1924-7-4 5124 Santa Barbara Veronica Springs Road, Santa Barbara. Comment
  RSA684694  Equisetum arvense Robert L. Rutherford 1944-8-30 2571 Mono Mammoth Lakes (Rainbow Falls). 2287 Comment
  RSA684695  Equisetum arvense Norman C. Cooper 1944-8-23 2616 Mono Mammoth Lakes 2439 Comment
  RSA68588  Equisetum arvense Chas H. Quibell, Chas F. Quibell 169 a Fresno W Kaiser Campground, 1 plus m S Kaiser Diggings, 3 m N of 9500 Kaiser Ridge., Follow Jeep track up ridge across Crk E of camp - beyond it encounter old gold miners water ditch - follow it to source at 6000 above camp on camp creek, lined with Alnus. Comment
  RSA74766  Equisetum arvense E. Robinson 1936-7-16 b 122 Inyo N of Rock Creek Lake, below Little Lakes Valley, NE of Mono Pass, E of crest. 3079 Comment
  RSA785879  Equisetum arvense Peter Rubtzoff 1978-4-2 9153 San Mateo Saddle area on north side of Guadalupe Canyon Parkway, west of Radio Road junction. Comment
  RSA785880  Equisetum arvense Peter Rubtzoff 1976-3-14 8444 San Mateo Saddle area on north side of Guadalupe Canyon Parkway, west of Radio Road junction, upper part of East Fork Colma Creek Canyon. Comment
  RSA88306  Equisetum arvense J. T. Howell 1953-5-22 28984 Tuolumne Cedar Ridge Road near Twain Harte. 915 Comment
  RSA94451  Equisetum arvense Peter Rubtzoff 1951-7-1 332 Sonoma Lower part of Upper Marsh Comment
  RSA95565  Equisetum arvense P. H. Raven 1951-6-30 3150 Madera On road between Minaret Summit and Agnew Meadows. 2591 Comment
  SBBG133124  Equisetum arvense B. C. Templeton 1968-1 11283 Plumas unknown Comment
  SBBG15376  Equisetum arvense L. L. Kiefer 1962-10-20 154 San Bernardino rd in seepage area, 2-3 mi N of Lake Arrowhead 1828 Comment
  SBBG27188  Equisetum arvense L. C. Wheeler 1933-8-20 2090 Los Angeles Pine Cyn Dam, San Gabriel Cyn 304 Comment
  SBBG28787  Equisetum arvense L. C. Wheeler 1933-8-20 2090 Los Angeles Pine Cyn Dam, San Gabriel Cyn 304 Comment
  SCFS5345  Equisetum arvense R. Schmid 1964-6-26 97 Nevada In area where the north and south forks of Sagehen Creek join, directly south of station. 1951 Comment
  SCFS5346  Equisetum arvense Virginia Hardham 1965-7-11 111 Nevada Sagehen Creek Station. 12 miles West of Truckee Highway 89. 1951 Comment
  SCFS5347  Equisetum arvense J. Yamanaka 1965-7-3 89 Nevada Sagehen Creek Station, 150 yards Southwest of station. 1951 Comment
  SCFS5350  Equisetum arvense H. Naqui 1965-7-22 Nevada About 600 feet Northwest of the Sagehen Creek Station. 1981 Comment
  SD112400  Equisetum arvense Darley F. Howe 1964-5-20 3792 Fresno Sierra National Forest, 2 miles from Shaver Lake on road to Mc Kinley Grove of Big Trees 1675 Comment
  SD245160  Equisetum arvense R. F. Thorne, E. W. Lathrop, W. Wisura 1977-7-8 49566 Orange Santa Ana Mountains: San Joan Canyon at Lower Picnic Camp, just below Ortega Highway (74) Comment
  SDSU1953  Equisetum arvense F. M. Cota 539 San Diego Comment
  SDSU1962  Equisetum arvense J. Godsil 1952-6-1 222 Tulare Hwy 191; 8 miles west of Quaking Aspen Meadows. 2134 Comment
  SDSU1963  Equisetum arvense H. Wedberg 1964-8-8 1086 Fresno By small troat at East esn of Hunington Lake, about 100 m from Hwy 168 on the road to Kaiser pass. 2134 Comment
  SDSU1965  Equisetum arvense J. Godsil 1952-6-1 222 Tulare Rutherford Pack Station. Quaking Aspen meadows. 2438 Comment
  SDSU272  Equisetum arvense A. H. Gallup 1949-4-17 406 Los Angeles Lasca-- around the lake. 152 Comment
  SEINET10470638  Equisetum arvense Percy Train 1937-5-31 Train UMO 32031 Mono Timbered creek banks, Robinson Creek, near Bridgeport, E slope Sierras. 1829 Comment
  SEINET10470653  Equisetum arvense Katherine L. Morris 1973-6-8 Morris 413 Mendocino Found in a fern glen along Hwy 208, 13.9 mi W of jct of Hwy 101 and 208. Comment
  SEINET10470657  Equisetum arvense David B. Dunn 1940-7-10 Dunn 170 Tuolumne S margin fo Miguel Meadows in the shade of Lodge Pole Pine. Yosemite National Park. Comment
  SEINET10530180  Equisetum arvense Mary Susan Taylor 1977-7-15 Taylor 1423 Butte Along West Branch of the Feather River, ca. 1 mi E of the Skyway, ca. 1 mi N of Magalia. Riparian Woodland. 678 Comment
  SEINET10530181  Equisetum arvense Mary Susan Taylor, M. Foster 1981-6-2 Taylor 3829 Plumas T24N R10E ne/sw sec 25, Spring Garden quad. S side of Hwy 70, ca. 100 ft W (upslope) of RR track, ca. 200 yds S of Spring Garden Overpass, ca. 7.5 mi SE of Quincy. Yellow Pine Forest opening over serpentine; 4000 ft. 1219 Comment
  SEINET10530182  Equisetum arvense Mary Susan Taylor 1979-10-13 Taylor 2251 Butte T22N R4E sw 1/4 sec 21. Riparian Woodland along creek crossing Jordan Hill Road (Ponderosa Way on some maps), ca. 0.8 mi N of its jct with Concow Road, ca. 5 mi E of Paradise. With J.D. Jokerst. 1400 Comment
  SEINET10530183  Equisetum arvense Mary Susan Taylor 1981-7-21 Taylor 4088 Plumas T24N R11E nw/ne sec 19, Spring Garden quad. Along small creek that feeds into Squirrel Creek, ca. 0.5 mi N of jct of 401 and 25N42, ca. 3 mi N of Spring Garden. 4500 ft elev. 1372 Comment
  SEINET10830693  Equisetum arvense David B. Dunn, Melvin L. Conrad; Patricia L. Kenney 1973-7-21 Dunn 20967 A-X Tulare Near the parking area and along the hiking paths, at the end of the Mineral King rd. Sparse subalpine forest of Lodge-pole pine and red fir, with scrub willows. 4 mi from Silver City. Comment
  SEINET10834140  Equisetum arvense Mary Susan Taylor 1974-4-10 Taylor 157 Monterey Along Palo Colorado Canyon Road, ca. 0.5 mi E of Hwy 1, ca. 16 mi S of Carmel; Redwood Forest area, shaded, moist. 15 Comment
  SEINET10896358  Equisetum arvense Patricia L. Kenney 1973-6-5 Kenney 429 Plumas Collected along a stream along Hwy 70, 6 mi S from jct of Hwy 89 & 70. Douglas fir and yellow pine. 1067 Comment
  SEINET10899883  Equisetum arvense Mary Susan Taylor 1982-5-13 Taylor 4439 Plumas T24N R9E se/ne sec 15. Quincy quad. In Gansner Park, Quincy. 3400 ft. 1036 Comment
  SEINET10899884  Equisetum arvense Mary Susan Taylor 1975-5-30 Taylor 623 Monterey Immediate vicinity of Carmel River, under the bridge over Hwy 1, Carmel; with Salix, Rubus, Cornus occidentalis. 2 Comment
  SEINET11163239 Image available Equisetum arvense Unknown 1974-8-8 Mendocino unspecified Comment
  SEINET11613395  Equisetum arvense Unknown 1962-1 s.n. Unknown Yosemite National Park, near entrance Comment
  SEINET11614513  Equisetum arvense Unknown 1997-4-30 6 Lake 0.5 mi N of Long Valley Rd, on Hwy 20 along E bank of North Fork Cache Creek 400 Comment
  SEINET187426 Image available Equisetum arvense F. R. Fosberg 1931-4-15 89 Los Angeles Eagle's Nest Middle Ranch Canyon Santa Catalina sland 180 Comment
  SEINET208833 Image available Equisetum arvense E. L. Smith, R Maguire 1967-5-22 Siskiyou City of Mt Shasta 1086 Comment
  SEINET3480910  Equisetum arvense Unknown 1937-5-31 988 Mono near Bridgeport, near Bridgeport, Robinson Creek 1820 Comment
  SEINET3480916  Equisetum arvense Unknown 1937-5-31 988 Mono near Bridgeport, near Bridgeport, Robinson Creek 1820 Comment
  SEINET3864901 Image available Equisetum arvense Edward L. Smith 1967-5-22 s.n. Siskiyou By railroad tracks. City of Mt. Shasta.; 0 1085 Comment
  SEINET3864952 Image available Equisetum arvense James D. Morefield, Douglas H. McCarty 1986-7-18 4143 Mono White Mountains: at spring along Leidy Creek 1.0 mile N 55 deg E of Cabin Creek confluence. Fishlake Valley drainage.; 0 2149 Comment
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Sep 21 2015
  SEINET3864988 Image available Equisetum arvense Louis C. Wheeler 1948-6-13 6650 Los Angeles San Gabriel Mountains: Big Tujunga, near Coldwater Canyon.; 0 945 Comment
  SEINET6032063  Equisetum arvense H. N. Mozingo, F. Ryser 1979-7-5 79 -88 Mono Dunderberg Mine area, Sierra Nevada. 2591 Comment
  SEINET6032070  Equisetum arvense I. W. Clokey 1930-9-19 5136 San Bernardino Lake Arrowhead 1500 Comment
  SEINET6032073  Equisetum arvense E. K. Balls 1950-8-31 15532 Plumas Highway 24, 1 mile north of Spanish Creek just north of Quincy. 1097 Comment
  SEINET6032074  Equisetum arvense J. Penalosa 1961-8-13 2034 Fresno Sierra Nevada, south Fork of the Kings River Drainage, Cedar Grove Campground Comment
  SEINET6032080  Equisetum arvense M. Lavin 1980-6-19 SW 44 Mono West Walker River 6 miles South of Coleville, CA-Sierra NV 1768 Comment
  SEINET6032083  Equisetum arvense C. R. Quick 1965-6-24 65 -05 Tuolumne Sierra Nevada, Cow Creek, north of Pinecrest 1890 Comment
  SEINET6050814  Equisetum arvense Unknown 1946-10-26 Los Angeles San Gabriel Mountains. Near mouth of Bear Canyon, off Soledad Canyon. Comment
  SEINET6087563  Equisetum arvense Unknown 1946-10-26 6389 Los Angeles San Gabriel Mountains. San Gabriel Canyon. 0.8 mi upstream from mouth. North side. Comment
  SFV1  Equisetum arvense R. L. Armacost 1934-5-29 144 dup. Los Angeles Santa Monica Mountains Topanga Canyon. Elkhorn Camp. 61 Comment
  SFV12226  Equisetum arvense E. L. Smith 1967-5-22 s. n. Siskiyou City of Mount Shasta. Swampy area by railroad tracks. 1086 Comment
  SJSU3970  Equisetum arvense C. W. Sharsmith 1964-6-19 7299 El Dorado along Taylor Creek 0.5 mi N of lower end of Fallen Leaf Lake 1950 Comment
  UC1010445  Equisetum arvense Milo S. Baker 1939-4-2 9268 Sonoma stream in front of Mrs. Morton's place Kenwood Comment
  UC1178449  Equisetum arvense R. J. Rodin 1957-7-6 6151 Mariposa ca. 10 mi down Merced River from El Portal (near rd.) Comment
  UC1296382  Equisetum arvense R. F. Hoover 1950-3-5 7768 San Luis Obispo just n of Piedras Blancas Point Comment
  UC1300346  Equisetum arvense Richard S. Mitchell 1964-6-18 2052 Inyo banks of Wyman Creek Wyman Creek; White Mts. 2407 Comment
  UC1789099  Equisetum arvense Barbara Ertter 2005-8-18 18637 Contra Costa San Pablo Reservoir in East Bay Hills, east of San Pablo Dam Road between Richmond and Orinda (EBMUD water storage from Mokelumne River watershed); mudflats left by receding reservoir (being drained for seismic work on dam). Comment
  UC2046534  Equisetum arvense William J. Ferlatte 1976-5-18 1758 Trinity Big Flat at head of Coffee Creek, north end of ephemeral pond (Lake Martin) Comment
  UC284816  Equisetum arvense P. A. Munz 1923-5-26 6839 Los Angeles Head of Vincent Gulch, San Gabriel Mountains Comment
  UC371112  Equisetum arvense Miss M. Alice King 1897-1 Sonoma Comment
  UC397147  Equisetum arvense E. Quinby May, 1929 Sacramento Sherman Island; Sacramento River Comment
  UC519322  Equisetum arvense Joseph P. Tracy 1933-6-7 12518 Humboldt on Van Duzen River Blue Slide; Northern Coast Ranges 91 Comment
  UC60148  Equisetum arvense James G. Daly 1937-5-27 Plumas Grubstake Flats Meadow Valley Comment
  UC71457  Equisetum arvense W. C. Blasdale 1897-4-10 San Francisco Lake Merced, San Francisco Comment
  UC810212  Equisetum arvense Milo S. Baker 1939-4-2 9269 Sonoma stream in front of Mrs. Morton's place Kenwood Comment
  UCD128444  Equisetum arvense Bryan Drew 2003-8-24 s.n. Fresno Sierra National Forest, Teakettle Experimental Forest. Wet meadow SE of cabin. Comment
  UCD135266  Equisetum arvense Perry S. Allen 1969-7-26 483 Stanislaus Shore of Tuolumne River above La Grange Dam. Comment
  UCD135269  Equisetum arvense Joseph M. DiTomaso 1975-8-12 254 Trinity Trinity Alps, near Bear Basin Creek, Upper Bear Basin Meadows. 1981 Comment
  UCD135281  Equisetum arvense N. Hopkins 1971-6-14 396 Sierra Lemmon Cyn. 1676 Comment
  UCD135285  Equisetum arvense John Thomas Howell 1960-8-22 36391 Shasta Lassen Volcanic National Park, Hat Lake. 1950 Comment
  UCD135290  Equisetum arvense F. A. MacFadden 1934-6-29 s.n. Sierra Little Truckee River, 13 miles from Truckee on Reno Road via Hobart Mills. Comment
  UCD135295  Equisetum arvense June McCaskill; Katherine Onaga 1959-6-18 599 Mendocino South of south fork of Cottoneva Creek, Rockport, State Highway 1. Comment
  UCD135298  Equisetum arvense Barbara Rice; Charlotte K. Glenn 1968-8-25 634 Tulare Kings Canyon National Park, Clouds Canyon, Scaffold Meadow. 2346 Comment
  UCD135300  Equisetum arvense Rudolf Schmid 1964-6-26 97 Nevada In area where north and south forks of Sagehen Creek join, directly south of University of California Sagehen Creek Station, Sagehen Creek Basin, off State Highway 89, ca. 12 miles north of Truckee. 1950 Comment
  UCD135303  Equisetum arvense J. D. Skoss 1948-7-25 49 San Mateo San Vicente Canyon near Montara. Comment
  UCD135305  Equisetum arvense Charlotte N. Smith 1945-8-9 976 Tulare Tobias Gorge, over 3/4 mi. NE of Tobias Peak. N. end of the Baker Range. Baker Point, Tobias Creek Gorge area. Comment
  UCD163743  Equisetum arvense Peter Rubtzoff 1987-9-28 9862 Alameda University of California campus. North Fork of Strawberry Creek, north of Life Sciences Building, Berkeley. Comment
  UCD164092  Equisetum arvense Peter Rubtzoff 1978-4-2 9153 San Mateo San Bruno Mountains.'Saddle' area on north side of Guadalupe Canyon Parkway, west of Radio Road junction. Comment
  UCD19307  Equisetum arvense Terry Reedy 1974-5-11 208 Sonoma Bodega Head, in freshwater marsh in standing water. 6 Comment
  UCD70568  Equisetum arvense Art Shapiro 1998-4-10 s.n. Yolo City of Davis, UC Davis campus. Parking lot N of La Rue Ave. tennis courts. In gravelly non-native soil in divider. Prostrate mat at ground level. Comment
  UCSB25927  Equisetum arvense Doty, James 1969-5-10 Tulare Redwood Meadows Campground, upper Parker Creek, southern Sierra Nevada. 1828 Comment
  UCSB35617  Equisetum arvense Howald, Ann 1975-6-25 Mono UC Valentine Eastern Sierra Reserve, Old Mammoth Rd., 2.5 miles SW of Hwy 203. 2560 Comment
  UCSB40539  Equisetum arvense Takada, Brian 1978-5-28 Mendocino Hwy 128 N of Flynn Rd., 0.8 miles E of road in creek. Comment
  UCSB51428  Equisetum arvense Bishop, Richard 1967-5-24 Santa Barbara Along stream banks on Refugio Canyon Rd., 3 miles N of junction with US 101. Santa Ynez Mtns. Comment
  UCSB70436  Equisetum arvense H., B.; N., C. 1989-7-14 San Luis Obispo Stenner Creek, Cuesta Pass below S.P. Railway. Comment
  UCSC003969  Equisetum arvense Jeff White 1968-4-15 s.n. Santa Cruz San Lorenzo River, Paradise Park. Comment
  UCSC003973  Equisetum arvense Bill Brown 1968-5-8 s.n. Santa Cruz Behind Cabrillo College. Comment
  UCSC003974  Equisetum arvense Brian Lund 1968-4-19 33 Santa Cruz Bay and Monterey Bay Comment
  UCSC006598  Equisetum arvense Randall Morgan 1988-6-17 1249 Santa Cruz Soquel, Porter Gulch, between Soquel Dr and Hwy 1 Comment
  UCSC007307  Equisetum arvense Randall Morgan 2004-8-3 4274 Santa Cruz Santa Cruz, Colony at San Lorenzo River Comment
  UCSC007518  Equisetum arvense Randall Morgan 1982-4-13 s.n. Santa Cruz Santa Cruz, Arana Gulch, just inland of Santa CruzYacht Harbor Comment
  UCSC009120  Equisetum arvense D. Styer, S. Aroche 2012-11-25 621 Monterey Ft. Ord by the Salinas River (Region H1) Comment
  UCSC009853  Equisetum arvense Unknown 2014-4-8 832 Monterey Ft. Ord (Region H1, Salinas River) Comment
  YM-YOSE59285  Equisetum arvense Robert J. Rodin 1957-7-6 6151 Mariposa 10 MILE DOWN MERCED RIVER FROM EL PORTAL. NEAR ROAD. Comment
  YM-YOSE67213  Equisetum arvense Carl W. Sharsmith 1944-6-25 4596 Mariposa BLACK SPRING, NORTH OF BRIDALVEIL MEADOW, YOSEMITE VALLEY 1219 Comment



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