BRASSICACEAE (Mustard family)

Alliaria petiolata (Bieb.) Cavara & Grande garlic mustard [US; Illinois; Jackson County; Carbondale; T9S, R1W, S28; 440 feet][growing under Juniperus virginiana on the east side of Morava Point, Thompson Lake, Southern Illinois University; April 14, 2002; Collected & identified by Chuck Walker; #IL264]

Alyssum desertorum Stapf desert madwort [US; California; Modoc County; Alturas; T42N, R12E, S8; 41 deg. 29.77'N, 120 deg. 36.68'W; 4,480 feet][along north side of Crowder Flat Road, juniper-sage association; March 6, 2005; Collected & identified by Chuck Walker; #CA137]

Alyssum minus (L.) Rothm. var. micranthum small-flowered alyssum [US; California; Shasta County; T35N, R4E, S29; 40 deg. 51.927'N, 121 deg. 32.273'W; 3,240 feet][lava bed area with scattered ponderosa pine in Hat Creek Valley, north side of Highway #89, about a mile southeast of Doyles Corner; April 11, 2005; Collected & identified by Chuck Walker; #CA150]

Arabis glabra (L.) Bernh. tower rockcress [US; California; Lassen County; T39N, R15E, S32; 41 deg. 10.341�N, 120 deg. 17.213'W; 5,870 feet][in association with Rosa woodsii, along west side of Coyote Loop road, near Harvey Creek; July 16, 2005; Collected & identified by Chuck Walker; #CA291]

Arabis hirsuta (L.) Scop. var. pycnocarpa (M. Hopkins) Rollins creamflower rockcress [US; Arizona; Yavapai County; Prescott; T14N, R2W, S26; 5,220 feet][under canopy of bushes in sandy soil, floodplain of Granite Creek, 70 m upstream from Watson Woods Riparian Preserve; March 14, 1999; Collected & identified by Chuck Walker; #AZ503]

Arabis holboelliiHornem. var. pinetorum (Tidestrom) Rollins Holboell's rockcress [US; California; Modoc County; T42N, R14E, S35; 41 deg. 26.353'N, 120 deg. 19.131'W; 5,720 feet][hillside on north side Forest Road #5, 200 yards west of Mud Spring Gulch; May 8, 2005; Collected & identified by Chuck Walker; #CA190]

Arabis pendulina Greene var. pendulina rabbitear rockcress [US; Arizona; Yavapai County; Bumble Bee; T9N, R2E, S4; 2,600 feet][Exit 248 off I-17; March 8, 1993; Collected & identified by Chuck Walker; #AZ22]

Arabis perennans S.Wats. perennial rockcress [US; Arizona; Yavapai County; Black Canyon City; T9N, R2E, S27; 2,120 feet][Greyhound Park, three miles north of Black Canyon City; February 1, 1993; Collected & identified by Chuck Walker; #AZ13]

Arabis sparsiflora Nutt. var. sparsiflora sicklepod rockcress [US; California; Modoc County; T43N, R16E, S13; 41 deg. 36.085'N, 120 deg. 5.928'W; 4,520 feet][north side of County Rd 18, 4.3 miles east of Highway 1, about five miles northeast of Cedarville; May 14, 2005; Collected & identified by Chuck Walker; #CA199]

Athysanus pusillus (Hook.) Greene common sandweed [US; California; Shasta County; T35N, R4E, S29; 40 deg. 52.136'N, 121 deg. 33.232'W; 3,240 feet][ponderosa pine-western juniper community; on west side of dirt road, south side of Highway #89, about a half mile southeast of Doyles Corner; April 11, 2005; Collected & identified by Chuck Walker; #CA151]

Barbarea orthoceras Ledeb. American yellowrocket [US; California; Modoc County; T42N, R15E, S28; 41 deg. 26.988'N, 120 deg. 14.520'W; 6,880 feet][open area near bathroom under Abies magnifica, Pepperdine Camp, Modoc National Forest; July 3, 2005; Collected & identified by Chuck Walker; #CA272

Barbarea vulgaris Ait. f. garden yellowrocket [US; Minnesota; Aitken County; T52N, R22W, S6; 1,260 feet][south side of County Rd 428, 4.5 miles south of Highway 2 (Swan River); May 24, 1997; Collected & identified by Chuck Walker; #MN01]

Brassica juncea (L.) Czern. India mustard [US; Arizona; Yavapai County; Black Canyon City; T8N, R2E, S3; 1,974 feet][along Agua Fria River, near Community First National Bank at 34301 S. Old Black Canyon Highway; February 21, 1999; Collected & identified by Chuck Walker; #AZ495]

Brassica nigra (L.) W.D.J. Koch black mustard [US; Arizona; Yavapai County; Kirkland; T13N, R4W, S31; 3,940 feet][dry creekbed, 1/2 mile east of Kirkland; August 3, 1996; Collected & identified by Chuck Walker; #AZ346]

Brassica oleracea L. cabbage [US; Illinois; Jackson County; Carbondale; T9S, R1W, S28; 430 feet][east side of Illinois Central Gulf Railroad tracks, 40 m north of Pleasant Hill Rd.; May 15, 2001; Collected & identified by Chuck Walker; #IL129]

Brassica rapa L. var. rapa field mustard [US; Washington; Spokane County; T26N, R43E, S1; 1,873 feet]south side of East 206, 20 m west of intersection with Bruce Rd.; April 8, 1998; Collected & identified by Chuck Walker; #WA11]

Cakile maritima Scop. European searocket [US; California; Humboldt County; T7N, R1E, S18; 40 deg. 59.664'N, 124 deg. 6.882'W; 20 feet][sand dune community, Clam Beach, about one mile north of Arcata County Airport; April 13, 2005; Collected & identified by Chuck Walker; #CA162]

Capsella bursa-pastoris (L.) Medik. shepherd's purse [US; Arizona; Yavapai County; Prescott; T13N, R2W, S4; 5,360 feet][along sidewalk at 323 S. Montezuma St.; April 7, 1993; Collected & identified by Chuck Walker; #AZ56]

Cardamine concatenata (Michx.) Sw. cutleaf toothwort [US; Illinois; Jackson County; Carbondale; T9S, R1W, S28; 450 feet][northwest corner of Thompson Woods, 5 m south of the Fisheries and Aquaculture Center building, Southern Illinois University; April 12, 2002; Collected & identified by Chuck Walker; #IL263]

Cardamine hirsuta L. hairy bittercress [US; Illinois; Jackson County; Carbondale; T9S, R1W, S28; 450 feet][northeast portion of Parking Lot #25, Southern Hills; March 21, 2001; Collected & identified by Chuck Walker; #IL104]

Cardamine oligosperma Nutt. little western bittercress [US; Washington; Spokane County; Spokane; T25N, R43E, S29; 2,240 feet][between asphalt & Manito greenhouse, Manito Park; April 5, 1998; Collected & identified by Chuck Walker; #WA03]

Cardamine pensylvanica Muhl. ex Willd. Pennsylvania bittercress {US; Louisiana; Calcasieu Parish, Lake Charles; T10S, R8W, S19; 15 feet][along banks of Contraband Bayou, near the footbridge, McNeese State University; February 14, 1994; Collected & identified by Chuck Walker; #LA43]

Cardaria chalapensis (L.) Hand.-Maz. lenspod whitetop [US; California; Lassen County; T37N, R12E, S12; 41 deg. 3.233'N, 120 deg. 32.843'W; 5,460 feet][along 4WD road, 0.5 miles east-south-east of Bill Allen Spring; June 23, 2005; Collected by Chuck Walker; Identified by Mike Dolan; #CA258]

Cardaria draba (L.) Desv. whitetop [US; Arizona; Yavapai County; Prescott; T13N, R2W, S4; 5,380 feet][alleyway between 400 blocks of S. Montezuma St. & S. Cortez St; June 11, 1995; Collected & identified by Chuck Walker; #AZ164]

Chorispora tenella (Pallas) DC. crossflower [US; Arizona; Yavapai County; Prescott; T13N, R2W, S4; 5,390 feet][vacant lot, northeast corner of Marina St.-Carleton St. intersection; April 18, 1993; Collected & identified by Chuck Walker; #AZ58]

Cochlearia groenlandica L. Danish scurvygrass [US; Washington; Spokane County; Spokane; T25N, R43E, S29; 2,260 feet][Ferris Perennial Garden, Manito Park; June 26, 1998; Collected & identified by Chuck Walker; #WA56]

Coronopus didymus (L.) Sm. lesser swinecress [US; Louisiana; Calcasieu Parish, Lake Charles; T10S, R8W, S19; 15 feet][northwest side of footbridge, McNeese State University; March 7, 2000; Collected & identified by Chuck Walker; #LA214]

Coronopus didymus (L.) Sm. lesser swinecress [US; Mississippi; Washington County, Leland; T18N, R7W, S16; 33 deg. 24.470'N, 90 deg. 55.501W 120 feet][along edge of dirt road, west of Deer Creek Golf Course; May 9, 2006; Collected & identified by Chuck Walker; #MS94]

Descurainia incana (Bernh. ex Fisch. & C.A. Mey.) Dorn ssp. incisa (Engelm.) Kartesz & Gandhi mountain tansymustard [US; California; Modoc County; T43N, R15E, S21; 41 deg. 34.64'N, 120 deg. 16.55'W; 7,800 feet][growing in shade of rock formation and Abies concolor, 0.8 miles northwest of Bear Mountain; August 28, 2004; Collected by Chuck Walker; identified by Michael Dolan; #CA119]

Descurainia obtusa (Greene) O.E. Schulz blunt tansymustard [US; Arizona; Yavapai County; Prescott; T13N, R2W, S4; 5,360 feet][along E. Aubrey St., near its intersection with S. Montezuma St.; March 21, 1999; Collected & identified by Chuck Walker; #AZ504]

Descurainia pinnata (Walt.) Britt. western tansymustard [US; Arizona; Yavapai County; Prescott; T14N, R2W, S26; 5,260 feet][south of Atchison, Topeka & Santa Fe Railroad tracks (former), 30 m east of Highway 89 overpass; July 14, 1993; Collected & identified by Chuck Walker; #AZ133]

Descurainia sophia (L.) Webb ex Prantl herb sophia [US; Iowa; Fremont; Riverton; T68N, R41W, S18; 940 feet][along dike east of Riverton Check Station, Riverton Wildlife Management Area; May 30, 1999; Collected & identified by Chuck Walker; #IA07]

Dimorphocarpa wislizeni (Engelm.) Rollins touristplant [US; Arizona; Coconino County; Page; T41N, R8E, S36; 4,100 feet][vacant lot, 50 m southwest of Highway 89-89L junction; April 26, 1997; Collected & identified by Debby Denny & Chuck Walker; #AZ447]

Draba verna L. spring draba [US; Washington; Spokane County; Cheney; T23N, R40E, S14; 2,450 feet][vacant lot, south of the Phase Athletic Facility, Eastern Washington State University; April 9, 1998; Collected & identified by Chuck Walker; #WA15]

Erucastrum gallicum (Willd.) O.E. Schulz common dogmustard [US; Illinois; Jackson County; Carbondale; T9S, R1W, S28; 37 deg. 42.883'N, 89 deg. 13.328'W; 450 feet][along sidewalk, northeast corner of Plant Biology Greenhouse, Southern Illinois University; April 2, 2004; Collected & identified by Chuck Walker; #IL623]

Eruca vesicaria (L.) Cav. ssp. sativa (P. Mill.) Thellung rocketsalad [US; Arizona; Yavapai County; Prescott; T13N, R2W, S4; 5,360 feet][parking lot behind 323 S. Montezuma St.; March 10, 1996; Collected & identified by Chuck Walker; #AZ252]

Erysimum capitatum (Dougl. ex Hook.) Greene sanddune wallflower [US; Arizona; Coconino County; T42N, R1W, S33; 4,500 feet][seven miles down the Paria River Canyon from its trailhead on Highway 89 (trailhead is thirteen miles west of Big Water, Utah); April 24, 1997; Collected & identified by Chuck Walker; #AZ442]

Erysimum capitatum (Dougl. ex Hook.) Greene sanddune wallflower [US; California] [July 4, 2005; Collected & identified by Chuck Walker; #CA278]

Erysimum repandum L. spreading wallflower [US; Illinois; Jackson County; Carbondale; T9S, R1W, S28; 420 feet][between Route 51 and the tennis courts, Southern Illinois University; June 3, 2001; Collected & identified by Chuck Walker; #IL156]

Euclidium syriacum (L.) Ait. f. Syrian mustard [US; California; Modoc County; Alturas; T42N, R12E, S8; 41 deg. 29.294'N, 120 deg. 29.380'W; 4,400 feet] [along road, west side of Road 56 (Parker Creek Road); June 27, 2004; Collected & identified by Chuck Walker; #CA22]

Hesperis matronalis L. dames rocket [US; Washington; Spokane County; Spokane; T25N, R43E, S29; 2,240 feet][Manito Park near E 22nd and Tekoa St. intersection; June 1, 1998; Collected & identified by Chuck Walker; #WA26]

Hutchinsia procumbens (L.) Desv. prostrate hutchinsia [US; Washington; Spokane County; Spokane; T25N, R43E, S29; 2,240 feet][in lawn along path, 30 m southeast of Geiser Conservatory, Manito Park; April 5, 1998; Collected & identified by Chuck Walker; #WA04]

Isatis tinctoria L. Dyer's woad [US; California; Modoc County; T46N, R16E, S6; 41 deg. 53.112'N, 120 deg. 10.702'W; 4,880 feet][east side of high grade dirt road, along west side of Mill Creek, northeast of Fort Bidwell Indian Reservation; July 8, 2004; Collected & identified by Chuck Walker; #CA44]

Lepidium densiflorum Schrad. common pepperweed [US; Arizona; Yavapai County; Prescott; T13N, R2W, S4; 5,340 feet][southeast quadrant of S. McCormick St.-W. Goodwin St. intersection; April 19, 1996; Collected & identified by Chuck Walker; #AZ265]

Lepidium latifolium L. broadleaved pepperweed [US; California; Modoc County; T46N, R16E, S13; 41 deg. 51.823'N, 120 deg. 5.251'W; 4,180 feet][pasture, south side of County Road #6, Fee Ranch, east of Fort Bidwell; July 8, 2004; Collected & identified by Chuck Walker; #CA45]

Lepidium montanum Nutt. mountain pepperweed [US; Utah; Kane County; T44S, R1W, S1; 4,200 feet][six miles down the Paria River Canyon from its trailhead on Highway 89 (thirteen miles west of Big Water); April 25, 1997; Collected & identified by Chuck Walker; #UT04]

Lepidium perfoliatum L. clasping pepperweed [US; Nevada; Elko County; T37N, R64E, S10; 41 deg. 06.032'N, 114 deg. 57.382'W; 5,660 feet][southeast quadrant of Highway #93-80 junction, Wells; June 5, 2004; Collected & identified by Chuck Walker; #NV01]

Lepidium thurberi Woot. Thurber��s pepperweed [US; Arizona; Yavapai County; Prescott; T14N, R2W, S2; 5,160 feet][20 m east of Willow Creek Rd., 300 m south of main entrance to Embry-Riddle Aeronautical University; May 28, 1995; Collected & identified by Chuck Walker; #AZ146]

Lepidium virginicum L. Virginia pepperweed [US; Louisiana; Calcasieu Parish; Lake Charles; T10S, R8W, S19; 15 feet][north side of McNeese St., 10 m east of where the Contraband Bayou passes under it; February 27, 2000; Collected & identified by Chuck Walker; #LA211]

Lepidium virginicum L. Virginia pepperweed [[US; Mississippi; Sharkey County; T13N, R5W, S20; 32 deg. 57.849'N, 90 deg. 43.850'W; 100 feet] [Flooding Research Facility, six miles east-south-east of Anguilla, April 8, 2006; Collected & identified by Chuck Walker; #MS52]

Lesquerella fendleri (Gray) S. Wats. Fendler's bladderpod [US; Arizona; Yavapai County; T13N, R1W, S5; 5,540 feet][west side of Walker Rd., 0.9 miles from Highway 69; March 28, 1999; Collected & identified by Chuck Walker; #AZ508]

Lesquerella intermedia (S. Wats.) Heller mid bladderpod [US; New Mexico; Cibola County; T11N, R11W, S22][along Highway 117, 1/4 mile south from its junction with I-40; May 19, 1997; Collected & identified by Chuck Walker; #NM04]

Lesquerella purpurea (Gray) S.Wats rose bladderpod [US; Arizona; Gila County; T1N, R9E, S1; 2,900 feet][along trail leading from the top of Bull Pass (trail 129) to Black Top Mesa, Superstition Wilderness Area; February 23, 1996; Collected & identified by Chuck Walker; #AZ243]

Malcolmia africana (L.) Ait. f. African mustard [US; Utah; Kane County; T44S, R1W, S23; 4,220 feet][3.5 miles down the Paria River Canyon from its trailhead on Highway 89 (thirteen miles west of Big Water); April 23, 1997; Collected & identified by Debby Denny & Chuck Walker; #UT03]

Neobeckia aquatica (Eat.) Greene lakecress [US; Mississippi; Washington County][April 10, 2006; Collected by Chuck Walker; Identified by Danny Skojac; #MS65]

Raphanus sativus L. cultivated radish [US; Illinois; Jackson County; Carbondale; T9S, R1W, S28; 450 feet][grown from seed, 1575 Logan Dr., Southern Hills, May 5, 2002; Collected & identified by Chuck Walker; #IL276]

Rapistrum rugosum (L.) All. annual bastardcabbage [US; Arkansas; Drew County; Collins; T14S, R5W, S26; 33 deg. 27.23'N, 91 deg. 35.23'W ; 170 feet][along west side of Collins-Snyder Rd., 0.6 miles south of Upper Weir Rd., (road leads to Camping Area 1, Cut-Off Creek Wildlife Management Area); May 28, 2006; Collected & identified by Chuck Walker; #AR36]

Rorippa nasturdium-aquaticum (L.) Hayek watercress [US; Arizona; Yavapai County; Prescott; T14N, R2W, S35; 5,380 feet][creekbed in first canyon east of Prescott Resort, Yavapai Indian Reservation; June 7, 1993; Collected & identified by Chuck Walker; #AZ107]

Rorippa palustris (L.) Bess. ssp. fernaldiana (Butters & Abbe) Jonsell Fernald's yellowcress [US; Iowa; Fremont County; Riverton; T68N, R41W, S18; 920 feet][edge of parking lot at the boat launch, Riverton Wildlife Management Area; June 19, 1999; Collected & identified by Chuck Walker; #IA24]

Rorippa palustris ssp. occidentalis (S. Wats.) Abrams western bog yellowcress [US; Arizona; Yavapai County; Prescott; T13N, R2W, S4; 5,340 feet][Granite Creek, 10 m upstream from bridge leading to Prescott Mile High Middle School; June 19, 1996; Collected & identified by Chuck Walker; #AZ317]

Rorippa sessiliflora (Nutt.) A.S. Hitchc. stalkless yellowcress [US; Illinois; Calhoun County; Brussels; T12S, R2W, S24; 415 feet][western edge of upper (northern) portion of Middle Swan Lake (near power lines), Two Rivers National Wildlife Refuge; September 19, 2000; Collected & identified by Chuck Walker; #IL87]

Rorippa sinuata (Nutt.) A.S. Hitchc. spreading yellowcress [US; Illinois; Hardin County; T12S, R9E, S20; 37 deg. 27.463'N, 88 deg. 13.752'W; 340 feet][5 m north of the Ohio River, Tower Rock; June 20, 2003; Collected by Eric Lees & Chuck Walker; Identified by Chuck Walker; #IL501]

Rorippa sylvestris (L.) Bess. creeping yellowcress [US; Illinois; Calhoun County; Brussels; T13S, R1W, S15; 420 feet][County Road Moist Soil Unit (#3), 20 m north of Illlinois River Rd., Two Rivers National Wildlife Refuge; October 4, 2000; Collected & identified by Chuck Walker; #IL97]

Schoenocrambe linearifolia (Gray) Rollins slimleaf plainsmustard [US; Arizona; Yavapai County; Prescott; T13N, R2W, S4; 5,390 feet][southeast quadrant of S. Montezuma St.-Leroux St. intersection; July 5, 1995; Collected & identified by Chuck Walker; #AZ193]

Sinapis alba L. white mustard [US; Arizona; Maricopa County; T1N, R4W, S14; 1,050 feet][within cloverleaf of State Route 85 & I-10; March 27, 1997; Collected & identified by Chuck Walker; #AZ427]

Sinapis arvensis L. charlock mustard [US; Pennsylvania; Erie County, Erie; 590 feet][along Bayfront Highway near the Public Dock; September 13, 1998; Collected & identified by Chuck Walker; #PA19]

Sisymbrium altissimum L. tall tumblemustard [US; Arizona; Yavapai County; Chino Valley; T16N, R2W, S48; 4,660 feet][northwest quadrant of Road 2N-Road 2 E intersection; June 9, 1995; Collected & identified by Chuck Walker; #AZ162]

Sisymbrium irio L. London rocket [US; Arizona; Yavapai County; Prescott; T14N, R2W, S33; 5,360 feet][along sidewalk at 580 Miller Valley Rd.; March 5, 1999; Collected & identified by Chuck Walker; #AZ501]

Sisymbrium loeselii L. small tumbleweed mustard [US; Iowa; Fremont County; Riverton; T68N, R41W, S18; 950 feet][between Riverton Check Station and dike to its east, Riverton Wildlife Management Area; May 30, 1999; Collected & identified by Chuck Walker; #IA08]

Sisymbrium officinale (L.) Scop. hedgemustard [US; Tennessee; Shelby County; Memphis; 35 deg. 4.007'N, 90 deg. 7.770'W; 230 feet][along south side of W. Mitchell Rd., south of intersection with Riverport Rd., T. O. Fuller State Park; May 18, 2007; Collected & identified by Chuck Walker; #TN02]

Streptanthella longirostris (S.Wats.) Rydb. longbeak streptanthella [US; Washington; Spokane County; Medical Lake; T24N, R41E, S18; 2,425 feet][along footpath along the south shore of Medical Lake; August 8, 1998; Collected & identified by Chuck Walker; #WA100]

Thlaspi arvense L. field pennycress [US; Washington; Spokane County; Cheney; T23N, R40E, S14][vacant lot south of the Phase Athletic Facility, Eastern Washington State University; April 9, 1998; Collected & identified by Chuck Walker; #WA16]

Thlaspi montanum L. alpine pennycress [US; Arizona; Yavapai County; Prescott; T13N, R2W, S9; 5,800 feet][east-facing hill (Kuhne Hill) overlooking entranceway to Haisley Homestead on White Spar Rd.; March 30, 1993; Collected & identified by Chuck Walker; #AZ38]

Thysanocarpus laciniatus Nutt. mountain fringepod [US; Arizona; Yavapai County; Prescott; T13N, R2W, S7; 5,900 feet][along Aspen Creek, 200 m southwest of Aspen Acres Dr., Rancho Vista Hills; April 20, 1997; Collected & identified by Debby Denny & Chuck Walker; #AZ438]

Effects of soil inoculation with Azotobacter and nitrogen fertilization on the growth of Brassica rapa