RANUNCULACEAE (Crowfoot family)

Anemone tuberosa Rydb. tuber anemone [US; Arizona; Yavapai County; Prescott; T13N, R2W, S7; 5,900 feet][among rocks above Aspen Creek, 200 m southwest of Aspen Acres Dr.; April 20, 1997; Collected & identified by Debby Denny & Chuck Walker; #AZ429]

Aquilegia canadensis L. red columbine [US; Iowa; Fremont County; T68N, R42W, S29; 1,210 feet][across asphalt road from Park Ranger's house, Waubonsie State Park; May 26, 1999; Collected by Kyle Ehlers & John Henningsen; Identified by Chuck Walker; #IA02]

Aquilegia chrysantha Gray golden columbine [US; Arizona; Yavapai County; Prescott; T13N, R2W, S16; 5,620 feet][along Granite Creek on Highway #89 by White Spar Campgrounds; August 15, 1992; Collected & identified by Chuck Walker; #AZ06]

Aquilegia formosaFisch. ex DC. western columbine [US; California; Modoc County; T47N, R15E, S1; 41 deg. 58.708'N, 120 deg. 12.292'W; 6,760 feet][5 m west of northern campsite (west of stream flowing from spring to lake), Cave Lake; July 18, 2004; Collected & identified by Chuck Walker; #CA61]

Caltha palustris L. yellow marsh marigold [US; Minnesota; Itasca County; Swan River; T53N, R22W, S31; 1,255 feet][north side of County Road #428, 4.75 miles south of Highway 2 (Swan River Post Office); May 28, 1997; Collected & identified by Chuck Walker; #MN03]

Ceratocephala testiculata (Crantz) Bess. curveseed butterwort [US; Arizona; Yavapai County; Prescott; T14N, R2W, S33; 5,380 feet][along curve on west side of N. Alarcon St., 5 m south of Sheldon St.; March 14, 1997; Collected & identified by Chuck Walker; #AZ413]

Clematis ligusticifolia Nutt. var. ligusticifolia western white clematis [US; Arizona; Yavapai County; Prescott; T14N, R2W, S35; 5,350 feet][along former Highway, in ravine east of Prescott Resort, Yavapai Indian Reservation; July 11, 1993; Collected & identified by Chuck Walker; #AZ130]

Clematis terniflora DC. sweet autumn virginsbower [US; Louisiana; Calcasieu Parish; Lake Charles; T10S, R8W, S19; 15 feet][grassy bank in northwest quadrant of where the Ryan St. bridge passes over the Contraband Bayou, McNeese State University; August 10, 1994; Collected & identified by Chuck Walker; #LA151]

Clematis virginiana L. devil�s darning needles [US; Mississippi; Warren County; Vicksburg; T16N, R3E, S21; 32 deg. 20.803'N, 90 deg. 50.700'W; 250 feet][loessial bluff hills behind Vicksburg Battlefield Museum; November 12, 2005; Collected by Chuck Walker; Identified by Danny Skojac; #MS29]

Consolida ajacis (L.) Schur. doubtful knight's spur [US; Arizona; Yavapai County; Prescott; T14N, R2W, S33; 5,360 feet][on hill leading down to tributary to Miller Creek, on the west side of where Grove Ave. turns into Miller Rd.; June 21, 1995; Collected & identified by Chuck Walker; #AZ176]

Delphinium andersonii Gray Anderson's larkspur [US; California; Lassen County; T38N, R15E, S33; 41 deg. 6.768'N, 120 deg. 16.222'W; 6,655 feet][sagebrush flat; July 14, 2004; Collected by Matt Minarchek & Chuck Walker; Identified by Chuck Walker; #CA50]

Delphinium carolinianum Walt. ssp. virescens (Nutt.) R.E. Brooks Carolina larkspur [US; Iowa; Fremont County; T68N, R42W, S29; 1,220 feet][along Ridge Trail, 10 m from the Overlook, Waubonsie State Park; June 3, 1999; Collected by Kyle Ehlers & Chuck Walker; Identified by Chuck Walker; #IA12]

Delphinium depauperatum Nutt. slim larkspur [US; California; Modoc County; T40N, R11E, S25; 41 deg. 16.33'N, 120 deg. 38.99'W; 5,180 feet][along stream flowing into northwest portion of Bayley Reservoir; May 26, 2005; Collected by Wes Barry & Chuck Walker; Identified by Chuck Walker; #CA218]

Delphinium nudicaule Torr. & Gray red larkspur [US; California; Shasta County; T35N, R4E, S32; 40 deg. 50.817'N, 121 deg. 32.363'W; 3,490 feet][mountain shrub community, on hillside on the east side of Road 34N76, south side of Highway #89, about two miles northwest of Hat Creek; April 11, 2005; Collected & identified by Chuck Walker; #CA153]

Delphinium nuttallianum Pritz. ex Walp. twolobe larkspur [US; California; Modoc County; T42N, R14E, S35; 41 deg. 26.494'N, 120 deg. 19.293'W; 5,760 feet][hillside on east side Forest Road #5, 800 yards west of Mud Spring Gulch; May 8, 2005; Collected & identified by Chuck Walker; #CA191]

Delphinium scaposum Greene tall mountain larkspur [US; Arizona; Yavapai County; Prescott; T13N, R2W, S8; 5,500 feet][east side of Yuma Dr., close to its intersection with Canyon Dr.; June 7, 1995; Collected & identified by Chuck Walker; #AZ160]

Delphinium tricorne Michx. dwarf larkspur [US; Illinois; Williamson County; Carbondale; T10S, R1E, S15 (SW 1/4)][lowland woods understory, 500 yards east of the spillway on the north side of Devil's Kitchen Lake, 7-8 miles southeast of Carbondale; April 16, 1991; Collected & identified by John C. Veremis; #12]

Enemion biternatum Raf. eastern false rue anemone [US; Illinois; Williamson County; T10S, R1E, S15][low woodland, Devil's Kitchen Lake spillway area, ca. eight miles southeast of Carbondale; April 5, 1988; Collected identified by Amy Moser; #88-221]

Hepatica nobilis Schreber var. acuta (Pursh) Steyermark sharplobe hepatica [US; Illinois; Jackson County; T10S, R3W, S2] [along trail going up a canyon, Little Grand Canyon; July 15, 2002; Collected by Chuck Walker; Identified by Dr. Mark A. Basinger; #IL371]

Hydrastis canadensis L. goldenseal [US; Illinois; Union County; T11S, R1E, S10; 37 deg. 35.083'N, 89 deg. 5.097'W; 560 feet][along trail, Panthers' Den; July 3, 2003; Collected by Eric Lees & Chuck Walker; Identified by Chuck Walker; #IL510]

Ranunculus abortivus L. littleleaf buttercup [US; Illinois; Jersey County; Grafton; T6N, R13W, S13; 420 feet][east end of Gilbert Lake, Two Rivers National Wildlife Refuge; June 18, 2000; Collected & identified by Chuck Walker; #IL13]

Ranunculus acris L. var. acris tall buttercup [US; Minnesota; St Louis County; Cherry; T57N, R19W, S26; 1,340 feet][along Highway 25, 0.25 miles south of Highway #37; June 3, 1997; Collected & identified by Chuck Walker; #MN21]

Ranunculus cymbalaria Pursh alkali buttercup [US; Arizona; Yavapai County; Prescott; T13N, R2W, S9; 5,440 feet][along east side of Granite Creek, along Highway #89 (White Spar Rd.), by Canyon Drive; June 5, 1993; Collected & identified by Chuck Walker; #AZ105]

missing from collection Ranunculus flammula var. flammula(Greene) Greene greater creeping spearwort [US; Arizona; Yavapai County; Paulden; T17N, R2W, S14; ][on top of bank along Granite Creek, 20 m upstream from where Granite Creek flows into the Verde River; August 10, 1996; Collected & identified by Chuck Walker; #AZ360]

Ranunculus glaberrimus Hook. var. ellipticus (Greene) Greene sagebrush buttercup or elliptical buttercup [US; California; Modoc County; Alturas; T42N, R12E, S11; 4,400 feet][in sagebrush area, 0.1 miles east of Juniper St.; February 26, 2005; Collected & identified by Chuck Walker; #CA136]

Ranunculus hispidus Michx. var. caricetorum (Greene) T. Duncan bristly buttercup [US; Illinois; Jackson County; T10S, R1W][mid-slopes, along the east shore of Cedar Lake; May 5, 1984; Collected by John Voss; Identified by Mike Mibb; s.n.]

Ranunculus muricatus L. spinyfruit buttercup [US; Louisiana; Calcasieu Parish; Lake Charles; T10S, R8W, S19; 15 feet][by fire exit (north side) of Sallier Dormitory, McNeese State University; February 22, 1994; Collected & identified by Chuck Walker; #LA46]

Ranunculus occidentalisHook. var. occidentalis western buttercup [US; California; Modoc County; T40N, R12E, S27; 41 deg. 16.391'N, 120 deg. 34.540'W; 4,390 feet][widely spaced junipers in volcanic boulder field near Crook Canyon Creek; May 21, 2005; Collected & identified by Chuck Walker; #CA213]

Ranunculus orthorhynchusHook. var. orthorhynchus straightbeak buttercup [US; California; Modoc County; T42N, R14E, S35; 41 deg. 26.431'N, 120 deg. 18.878'W; 5,760 feet][wet area, north side Forest Road #5, Mud Spring Gulch; May 8, 2005; Collected & identified by Chuck Walker; #CA195]

Ranunculus pusillus Poir. low spearwort [US; Mississippi; Washington County; T19N, R7W, S33; 33 deg. 27.309'N, 90 deg. 55.483'W; 115 feet][USDA Compound, Delta Experimental Forest, about three miles north of Stoneville; April 10, 2006; Collected by Chuck Walker; Identified by Danny Skojac; #MS56]

Ranunculus sardous Crantz. hairy buttercup [US; Illinois; Jackson County; Carbondale; T10S, R1W, S4; 400 feet][west side of Springer Ridge Rd., in low flat area north of Bosky Dell; May 24, 2001; Collected & identified by Chuck Walker; #IL140]

Ranunculus sardous Crantz. hairy buttercup [US; Mississippi; Washington County; Greenville; T18N, R8W, S3; 33 deg. 25.638'N, 91 deg. 3.134'W; 120 feet][along Lake Ferguson near casinos; March 12, 2006; Collected by Chuck Walker; Identified by Danny Skojac; #MS33]

Ranunculus sceleratus L. cursed buttercup [US; Louisiana; Calcasieu Parish; Lake Charles; T10S, R8W, S19; 5 feet][in Contraband Bayou, below the retaining wall, behind the library, McNeese State University; April 8, 1994; Collected & identified by Chuck Walker; #LA56]

Ranunculus sceleratus L. cursed buttercup [US; Mississippi; Washington County; T19N, R7W, S33; 33 deg. 27.326'N, 90 deg. 55.454'W; 115 feet ][along side of road in Delta Experimental Forest, about three miles north of Stoneville; April 10, 2006; Collected by Chuck Walker; Identified by Danny Skojac; #MS59]

Ranunculus trichophyllus Chaix var. trichophyllus threadleaf crowfoot [US; Arizona; Greenlee County; T2S, R30E, S18; 4,080 feet][in Blue River at the end of Road #475 (Juan Miller Campgrounds Rd.), seventeen miles from Highway 191; May 22, 1996; Collected & identified by Chuck Walker; #AZ299]

Thalictrum fendleri Engelm. ex Gray var. fendleri Fendler�s meadow-rue [US; Arizona; Yavapai County; Prescott; T13N, R2W, S9; 5,440 feet][on rocky hillside leading down to Granite Creek, near junction of Copper Basin Rd. and White Spar Rd.; May 27, 1995; Collected & identified by Chuck Walker; #AZ143]

Thalictrum thalictroides (L.) Eames & Boivin rue anemone [US; Arkansas; Pope County; 35 deg. 33.741'N, 93 deg. 1.877'W; T11N, R19W, S32; 1,020 feet][along south side of N Fork Road (NF 1310), nine miles west of Adams Mountain Road (NF 1328); March 31, 2007; Collected by Chuck Walker; identified by Danny Skojac; #AR68]