CHSC:V
CHSC000011 1954-05-30
United States, California, Butte, By Rag Dump 5, Kimshew Falls, near Stirling., 39.856944 -121.473611, 975m
CHSC:V
CHSC011940 E. B. Copeland 402 1930-06-28
United States, California, Butte, Jonesville., 40.112778 -121.464444, 1500m
CHSC:V
CHSC012295 Bob Lemon 1 1972-06-18
United States, Washington, Whatcom, Near Mt. Baker Ski area.
CHSC:V
CHSC012451 Robert W. Severin 41 1969-06-26
United States, California, Lassen, 7.2 mi along road from E. L. B. S. to Galatin Beach, 3 mi s of E. L. B. S., 40.586111 -120.735278, 1646m
CHSC:V
CHSC012494 Carol Weld 46 1969-06-26
United States, California, Lassen, 7.8 miles S. W. of Eagle Lake Field Station., 40.555278 -120.772222, 1585m
CHSC:V
CHSC013561 D. Demaske 148 1973-05-07
United States, Wisconsin, La Crosse, Lose Memorial Cemetary (northern section) on LaCrosse St. LaCrosse. T16N R07W S32
CHSC:V
CHSC013825 Peggy A. Isola 20 1974-04-29
United States, Wisconsin, La Crosse, Overlooking Meadow Brook Park in Bohemian Valley. T15N R05W S23
CHSC:V
CHSC020899 M. S. Taylor 891 1975-08-31
United States, California, Butte, On Ernies Island, in Butte Creek, ca. 50 ft s of Humboldt Rd, ca. 1/2 mi e of Butte Meadows., 40.081111 -121.536944, 610m
CHSC:V
CHSC023780 Alanna Pass 3 1976-06-29
United States, Alaska, San Charley Island, Ca. 15 mi sw of Fairbanks, on the Tanana River., 91m
CHSC:V
CHSC024281 K. R. Stern 1975-07-24
United States, California, Plumas, E side of Lake Almanor., 40.275833 -121.091389
CHSC:V
CHSC024505 M. S. Taylor 623 1975-05-30
United States, California, Monterey, Below Hwy 1 overpass, ca. 1 mi s of Carmel., 36.536111 -121.912778
CHSC:V
CHSC025287 M. S. Taylor 1423 1977-07-15
United States, California, Butte, Along w branch of the Feather River, ca 1 mi e of the Skyway, ca. 1 mi n of Magalia., 39.828611 -121.567778, 678m
CHSC:V
CHSC025641 G. Armstrong; J. Nagy 5063 1970-08-12
Canada, Alberta, Castle Divide. Waterton Lake National Park., 49.15 -114.15, 1981m
CHSC:V
CHSC025642 G. Armstrong; J. Nagy 4724a 1970-07-30
Canada, Alberta, Cameron Lake. Waterton Lake National Park., 49.016667 -114.05, 1707m
CHSC:V
CHSC025643 G. Armstrong; J. Nagy 4001 1970-07-10
Canada, Alberta, North Belly River. Waterton Lake National Park., 49.033333 -113.716667, 1433m
CHSC:V
CHSC025649 J. Nagy; K. Yamashita 3449 1970-06-10
Canada, Alberta, N. W. end of Dardanelles near Knights Lake. Waterton Lake National Park., 49.083333 -113.85, 1280m
CHSC:V
CHSC025739 John Steiner 82 1977-06-30
United States, California, Lassen, Along Hat Creek at the n end of Paradise Meadow. Lassen Volcanic National Park., 40.490278 -121.465833, 2134m
CHSC:V
CHSC025751 John Steiner 68 1977-06-09
United States, California, Tehama, 1.1 km n Battle Creek and 1.5 km e Martin Creek., 40.357222 -121.570833, 1489m
CHSC:V
CHSC028051 L. K. Henry 1965-05-11
United States, Pennsylvania, Butler, 1.5 miles east of Portersville Station. Along Muddy Creek.
CHSC:V
CHSC028508 M. S. Taylor; J. D. Jokerst 2251 1979-10-13
United States, California, 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. T22N R04E S21 SW1/4, 39.745833 -121.538333, 427m
CHSC:V
CHSC002919 G. H. Roseman 1939-06-01
United States, Wisconsin, Sauk, Vicinity of Devils Lake. Parfrey's Glen, S of Baraboo.
CHSC:V
CHSC031267 F. T. Griggs; A. Pass 228 1975-07-17
United States, California, Plumas, Buck's Lake Forest Service Survey. T24N R07E S14, 39.936667 -121.165556
CHSC:V
CHSC033823 M. S. Taylor; M. Foster 3829 1981-06-02
United States, California, Plumas, Entering Greenhorn & 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. T24N R10E S25 NW1/4 of SE1/4 USGS Quadrangle: Spring Garden, 39.9125 -120.811667, 1189m
CHSC:V
CHSC033938 M. S. Taylor 4088 1981-07-21
United States, California, Plumas, Ca. 0.5 mi n of jct 401 and 25N42, ca. 3 mi n of Spring Garden. T24N R11E S19 NW1/4 of NE1/4 USGS Quadrangle: Spring Garden, 39.935 -120.789722, 1372m
CHSC:V
CHSC035949 M. S. Taylor 4439 1982-05-13
United States, California, Plumas, On the n edge of Spanish Creek, Gansner Park, Quincy. T24N R09E S15 SE1/4 of NE1/4 USGS Quadrangle: Quincy, 39.944167 -120.954722, 1036m
CHSC:V
CHSC038234 Vernon Oswald 602 1983-06-02
United States, California, Butte, Upper Bidwell Park, Chico, near the east boundary of the park., 39.805556 -121.730833, 207m
CHSC:V
CHSC042750 Lowell Ahart 5847 1987-08-03
United States, California, Butte, Along the North Fork of the Feather River, near the Poe Power House, about 2 miles south-east of Jarbo Gap., 39.723333 -121.470556, 271m
CHSC:V
CHSC043305 Lowell Ahart 11 1964-07-03
United States, California, Placer, In the middle of the Middle Fork of the American River, about 1_ miles north of Ahart Camp, about 2 miles north of French Meadows Reservoir., 39.164722 -120.393056, 1676m
CHSC:V
CHSC043309 Lowell Ahart 1312 1977-04-17
United States, California, Yuba, About 1 mile south of Challenge, about 1_ miles west of Pike County Peak., 39.473889 -121.223611, 549m
CHSC:V
CHSC043330 Lowell Ahart 15 1966-05-15
United States, California, Sierra, Near Pass Creek, in French Meadows, about 2 miles north-west of Webber Lake., 39.484167 -120.461389, 2134m
CHSC:V
CHSC044621 Vernon Oswald 1154 1984-04-16
United States, California, Butte, Doon Campground on the Skyway, 1.0 mi e of Coutolenc Rd. at Lovelock. T24N R04E S31 center of e side, 39.893889 -121.565556, 853m
CHSC:V
CHSC044623 Vernon Oswald 1155 1984-04-16
United States, California, Butte, Doon Campground on the Skyway, 1.0 mi e of Coutolenc Rd. at Lovelock. T24N R04E S31 NE1/4, 39.896389 -121.564444, 853m
CHSC:V
CHSC049393 John Laitsch 11964 1983-08-04
United States, Vermont, Rutland, Collected off of Rt. 103 at Mt. Holly in a ditch., 610m
CHSC:V
CHSC049395 Carl F. Chuey; Gordon Vujevic 5498 1981-08-26
United States, Pennsylvania, Cameron, Shippen Twp. Collected in State Gameland 14 along Penna. Rt. 120 just East of Elk County Line.
CHSC:V
CHSC055649 K. R. Stern 8195 1985-06-25
United States, California, Plumas, Vicinity of Blairsden., 39.779722 -120.618889, 1402m
CHSC:V
CHSC056962 Steven Triano; Stefani Eiben 155 1988-05-07
United States, California, Tehama, Behind Mineral General Store. T29N R04E S19 SE1/4 USGS Quadrangle: Lassen Peak 1:64,000, 40.3525 -121.587222, 1536m
CHSC:V
CHSC057330 S. R. Mitchelson 9 1987-04-12
United States, California, Tehama, Ca 10 m n of jct of N. Fork of Antelope Creek and Deadhorse Creek. T28N R02E S16 W central border USGS Quadrangle: Manton 1:64,000, 40.281111 -121.761389, 940m
CHSC:V
CHSC005759 R. Dale Thomas 1964-04-26
United States, Tennessee, Jefferson, Beside Mossy Creek and US 11E on roadbank.
CHSC:V
CHSC057792 Vernon H. Oswald; Lowell Ahart 4934b 1992-05-06
United States, California, Plumas, Terminal Geyser Creek just upstream from the trail between Willow Lake and Terminal Geyser. T30N R05E S36 SW1/4 of SE1/4, 40.410556 -121.372778, 1658m
CHSC:V
CHSC059249 Thomas J. Van Wagner 14 1992-04-11
United States, California, Nevada, Large population adjacent to Squirrel Creek, 5m upstream from North Ponderosa Way crossing, 2 side creek, ca. 5km w of Grass Valley., 39.222778 -121.115833, 665m
CHSC:V
CHSC059250 Joan Lawson 1990-04-23
United States, Ohio, Portage, Paris Twp. _ mile west of the intersection of Gilbert and McClintocksburg Rd. on left side of road., 287m
CHSC:V
CHSC059251 Dom LoVaglio 1988-10-08
United States, Ohio, Mahoning, Springfield Twp. Collected at Yellow Creek Park off of Struthers Rd.
CHSC:V
CHSC059252 Carl F. Chuey; Mary A. Baum 16532 1991-09-11
United States, Michigan, Otsego, Corwoth Twp. Collected along Old Vanderbilt Rd. at Sturgeon River. T32N R02W S29
CHSC:V
CHSC059421 Carl F. Chuey; Nevada Laitsch, Joan Lawson, Bill Morford 15733 1990-09-12
United States, Wisconsin, Oneida, Monico Twp. In an Arbor Vitae swamp on route 8 on section 24.
CHSC:V
CHSC059422 Carl F. Chuey 16047 1990-11-10
United States, Washington, Jefferson, Collected at 2 miles from U. S. Rt. 101 at Alder Creek on Hoh River road.
CHSC:V
CHSC000006 R. Morford 1931-05-16
United States, California, Plumas, Humbug Valley swamp., 40.146111 -121.251111, 1311m
CHSC:V
CHSC063792 Bonnie L. Isaac 4156 1993-04-27
United States, Pennsylvania, Lawrence, Ca. 0.5 mi W of New Castle on US 422, Union Township.
CHSC:V
CHSC063794 S. C. Morey 664 1983-08-01
United States, California, Butte, Chico Meadows. On e side of Scout Rd, ca. 1 mi n of its jct with Humboldt Rd. at Butte Meadows. T26N R04E S20 SW1/4 of NE1/4 USGS Quadrangle: Butte Meadows, 40.095278 -121.549444, 1292m
CHSC:V
CHSC063795 S. C. Morey 594 1983-07-23
United States, California, Butte, Cherry Hill Meadow. On the n side of Humboldt Rd, ca. 3.2 mi e of Butte Meadows. T26N R04E S15 SE1/4 of SE1/4 USGS Quadrangle: Butte Meadows, 40.101667 -121.502222, 1414m
CHSC:V
CHSC066067 Vernon H. Oswald 7618 1996-05-22
United States, California, Butte, U. S. Fish and Wildlife Service parcel between 7 Mile Lane and the Sacramento River. Sacramento River National Wildlife Refuge, Llano Seco Unit. T20N R01W S29 NE1/4 of NE1/4, 39.564722 -121.990278, 30m
CHSC:V
CHSC066286 Lowell Ahart 7686 1996-06-28
United States, California, 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. T22N R09E S23 NW1/4, 39.759167 -120.949167, 1676m
CHSC:V
CHSC066368 Vernon H. Oswald; Lowell Ahart 7821 1996-06-17
United States, California, 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. T29N R11E S05 NW1/4 of SE1/4, 40.4025 -120.765278, 1420m
CHSC:V
CHSC069983 L. P. Janeway; Eric Schroder 5168 1997-06-26
United States, California, 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. T18N R12E S08 SW1/4 of SE1/4 USGS Quadrangle: Graniteville 1:24,000, 39.434444 -120.649444, 1899m
CHSC:V
CHSC072866 L. P. Janeway; Eric Schroder, Katherine Murrell, Marcus Yee 5766 1998-07-15
United States, California, Placer, Lake Tahoe Basin Management Unit - National Forest. North side of Blackwood Creek, 1.7 mi west of Lake Tahoe. T14N R16E S35 NW1/4 of NW1/4 USGS Quadrangle: Homewood 1:24,000, 39.11 -120.188889, 1939m
CHSC:V
CHSC072926 Jennifer Owens 71 1996-09-26
United States, Colorado, Larimer, Rolland Moore Park, just west of the Senior Center at Drake and Shields. T07N R69W S22 USGS Quadrangle: Fort Collins, 1539m
CHSC:V
CHSC073128 L. P. Janeway; Eric Schroder 6334 1998-09-16
United States, California, Placer, Lake Tahoe Basin Management Unit. About half way between Buck Lake and McKinney Creek; about 2.2 mi southwest of Lake Tahoe. T14N R16E S23 NW1/4 of NW1/4 USGS Quadrangle: Homewood 1:24,000, 39.051111 -120.178333, 2124m
CHSC:V
CHSC074054 Susi Urie 98-039 1998-08-13
United States, California, Placer, Lake Tahoe Basin--National Forest. Meadow along the south side of Ward Creek, 1.5 mi west of Lake Tahoe and Sunnyside. T15N R16E S15 SE1/4 of NE1/4 USGS Quadrangle: Tahoe City, 39.15 -120.176389, 2097m
CHSC:V
CHSC074177 Susi Urie; Eric Schroder 98-364 1998-09-12
United States, California, Placer, Lake Tahoe Basin--National Forest. Meadow along the south side of Ward Creek, 1.6 mi west of Lake Tahoe and Sunnyside. T15N R16E S23 SE1/4 of NW1/4 USGS Quadrangle: Tahoe City, 39.136111 -120.183333, 1987m
CHSC:V
CHSC077514 Heidi West; Caroline Warren, Jenny Marr 1998-08-27
United States, California, Tehama, Vicinity of Red Bank Creek and Sunflower Gulch. T26N R06W S ;T26N, R07W USGS Quadrangle: Lowrey, 40.072778 -122.587778, 290m
CHSC:V
CHSC080729 William Shaull 2065 1930-07-01
United States, New York, Clinton, Lake Champlain.
CHSC:V
CHSC080731 David B. Pingley 1961-00-00
United States, Oregon, Harney, Collected in Lonesome Creek Area, Burns Ranger District, Malheur National Forest, Harney-Grant Counties.
CHSC:V
CHSC081197 William N. Grafton 1995-05-05
United States, West Virginia, Ritchie, Hushers Run below Ellenboro. Along railroad and road.
CHSC:V
CHSC081340 William N. Grafton 1999-09-26
United States, West Virginia, Mason, Near Mason, where US Route 33 crosses the Ohio River.
CHSC:V
CHSC008326 Edward L. Smith 8 1957-06-23
United States, California, El Dorado, Located at the mouth of Glen Alpine creek, Fallen Leaf Lake., 38.880833 -120.07, 2134m
CHSC:V
CHSC008405 Edward L. Smith 474 1958-06-20
United States, California, Madera, Located at the Miami River Ranger Station., 37.413889 -119.731667, 1524m
CHSC:V
CHSC008913 Patricia McFarland 1968-07-22
United States, West Virginia, Mineral, Laureldale.
CHSC:V
CHSC009134 Terril Wolt 6 1970-03-10
United States, California, Butte, Ca. 500 ft. W. of public boat launch on River Rd, 8 mi. W. of Chico., 39.711944 -121.944722
CHSC:V
CHSC090110 John Rowden 17 2001-04-01
United States, California, Mendocino, In campsite on south east corner of MacKerricher State Park campground. T19N R17W S19 SE1/4 of NW1/4, 39.489167 -123.788889, 6m
CHSC:V
CHSC094421 Lowell Ahart 13211 2006-08-22
United States, California, Colusa, North side and under the bridge across Stony Creek, just north of Stonyford. T18N R06W S29 between SW1/4 and SE1/4, 39.382222 -122.551667, 347m
CHSC:V
CHSC116377 Sara M. Taylor; Scott Batiuk 56 2012-07-31
United States, California, 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, NAD 1983, 4428172 N, 659702 E. T24N R08E S18, 39.98864 -121.129439, 1573m
CHSC:V
CHSC119581 Lowell Ahart; John Dittes 21634 2017-07-20
United States, California, Nevada, At the base of the south bank of Prosser Creek, south side of Carpenter Valley, about 200 yards north of 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. T18N R15E S24 NW1/4, 39.385 -120.254167, 1908m
CHSC:V
CHSC096297 R. Fischer 908 2006-05-12
United States, California, 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. USGS Quadrangle: Fall River Mills 1:24,000, 41.133056 -121.41, 1007m
CHSC:V
CHSC112093 L. P. Janeway 11541 2014-07-15
United States, California, 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). T23N R12E S10 NW1/4 of NW1/4 USGS Quadrangle: Grizzly Valley 1:24,000, 39.878333 -120.623056, 1717m
CHSC:V
CHSC113677 L. P. Janeway 11274 2014-05-28
United States, California, 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. T22N R10E S31 SE1/4 of SE1/4 USGS Quadrangle: La Porte 1:24,000, 39.718889 -120.898889, 1646m
CHSC:V
CHSC007218 Bruce K. Briggs 220 1969-09-21
United States, California, Lassen, Irrigation ditch near Hwy 139 just N. of Susanville.
CHSC:V
CHSC010936 Forrest Tittle 31 1972-06-25
United States, California, Lassen, Along Willow Creek approx. 200 yds from Rd. 14.14, 1.5 mi south of Murrer's Meadow.
CHSC:V
CHSC010910 Wendy Lowgren 87 1972-07-15
United States, California, Lassen, 100 feet from Hwy 139 on Murrer's Ranch Road.
CHSC:V
CHSC007444 Jerry Davis 60 1969-06-26
United States, California, Lassen, Spring above Gallatin Beach., 1615m
CHSC:V
CHSC007969 Bruce Briggs 12 1969-06-25
United States, California, Lassen, North edge of Murrer's Meadow., 40.604411 -120.693417
CHSC:V
CHSC123414 L. P. Janeway 13201 2019-10-14
United States, California, Butte, High Cascade Range. Along Philbrook Road 0.8 road-kim northeast of Humbug Summit Road; northwest-facing slope above West Branch Feather. Jonesville 7.5' quad. T25N, R4E, NW¼ of sec. 11., 40.043056 -121.499444, 1537m
CHSC:V
CHSC125418 Lowell Ahart; John Dittes, Jeff Souza 22855 2022-06-26
United States, California, Tehama, On north side of improved dirt road and south of Highway 32, about 200 yards east of the broken bridge, about 1 mile southwest of the intersection of Highway 32 and Highway 36 (89). T28N, R5#, southeast ¼ Section 21., 30.272278 -121.428667, 1388m
CHSC:V
CHSC025640 Job Kuijt; G. Armstrong, J. Nagy 3980 1970-07-09
Canada, Alberta, Marquis Hole. Waterton Lake National Park., 49.083333 -113.85, 1280m
CHSC:V
CHSC003109 M. Anthony 1945-06-28
United States, Michigan, Cheboygan, Sedge Point.
CHSC:V
CHSC049394 Carl F. Chuey; Marcella Chuey 6516 1982-08-17
Canada, Ontario, Parry Sound, Collected East of Ontario 11 on Fish Lake Road, 1/2 mile North of Nobar.
CHSC:V
CHSC059253 Carl F. Chuey; Mary A. Baum 16634 1991-09-11
United States, Michigan, Alpena, Wellington Twp. Collected on Long Rapids Rd. T31N R05E S32 & 5
CHSC:V
CHSC068645 Joan Koenig 1996-08-10
United States, Oregon, Lane, Squaw Butte Fen. T21S R04E S10 SW1/4 of NW1/4, 963m
CHSC:V
CHSC009838 S. H. Sohmer 3803 1968-08-18
United States, Maine, Franklin, On Albert Raedle's property on Rt 2 in Vienna Township.
CHSC:V
CHSC013824 Peggy A. Isola 21 1974-04-29
United States, Wisconsin, La Crosse, Slope overlooking Meadow Brook Park in Bohemian Valley. T15N R05W S23
CHSC:V
CHSC023426 M. S. Taylor 238 1974-05-11
United States, California, Mendocino, Ca 1 mi e of ocean, ca 4 mi n of Fort Bragg., 39.498889 -123.774167, 12m
CHSC:V
CHSC023649 M. S. Taylor 1049 1976-04-04
United States, California, Butte, In middle of Old Humboldt Rd, ca. 2 mi w of Jonesville., 40.104444 -121.495278, 1707m
CHSC:V
CHSC024862 E. Rilla 9 1976-04-04
United States, California, Butte, Ca. 100 yds w of Butte Creek, ca. 3 ft w of Old Humboldt Rd, ca. 2 mi e of Butte Meadows., 40.092778 -121.521944, 1463m
CHSC:V
CHSC059254 Carl F. Chuey; Nevada Laitsch, Joan Lawson, Bill Morford 15728 1990-09-12
United States, Wisconsin, Oneida, Monico Twp. In an Arbor Vitae swamp along route 8 on section 24.
CHSC:V
CHSC059255 Carl F. Chuey; Nevada Laitsch, Joan Lawson, Bill Morford 15071 1990-09-09
United States, Michigan, Dickinson, Along the railroad at junction of U.S. Rt. 2 in town of Norway. T39N R29W S08
CHSC:V
CHSC072477 David A. Lovejoy 1998-06-22
United States, Massachusetts, Hampden, Westfield; along dike on south side of Westfield River about 1/2 mile east of route 10/202 bridge.
CHSC:V
CHSC074466 Bill Waters 14 1994-09-04
United States, Colorado, Larimer, Poudre Canyon Road, 15 mi. up canyon. T08N R72W S02 USGS Quadrangle: Big Narrows, 2012m
CHSC:V
CHSC009839 George Gary 1971-09-10
United States, Wisconsin, Galesville, In Van Loon Wildlife Refuge., 44.3 -91.3
CHSC:V
CHSC114283 D. G. Kelch 8233 2008-06-03
United States, California, Sacramento, Freeport. Along Sacramento River levee., 38.463889 -121.503056, 5m
CHSC:V
CHSC122554 Peter F. Zika; E. R. Alverson 26162 2012-10-21
United States, Oregon, Benton, N side of Lost Creek., 43.940667 -122.833167, 185m
CHSC:V
CHSC011939 E. B. Copeland 403 1930-06-24
United States, California, Butte, Jonesville., 40.112778 -121.464444, 1500m
CHSC:V
CHSC024291 D. E. Brink 1029 1976-06-17
United States, Wyoming, Sheridan, Big Horn Coal Site. T57N R84W S14 SW1/4 USGS Quadrangle: Acme