[Specimen details]

Lepidium densiflorum
Family Name Brassicaceae
Currently Accepted Name Lepidium densiflorum 54026 - Determined By: 23645, Aug 1998
Herbarium Name Used
Locality USA. Louisiana, Ouachita Par.: Railroad right-of-way, old commercial area, DeSaird Street W of 6th Street near 9th, Monroe.
Description Locally common annual/biennial herb.
Habitat Disturbed area, weeds; mostly gravel and sand.
Reproductive State Fruit
Specimen Notes
Collector S. R. Hill
with R. D. Thomas, D. Taylor
Collection Date 17 Apr 1998
Accession Number 279851
Plant Atlas Link Plant Atlas Citation

Lepidium densiflorum
Family Name Brassicaceae
Currently Accepted Name Lepidium densiflorum 54026 - Determined By: 23645, 2008
Herbarium Name Used
Locality USA. Illinois, Champaign Co.: Champaign County Fairgrounds, Urbana; E end of Fairview Avenue, E of North Coler Avenue. 40° 7' 23" N 88° 12' 47" W
Description Occasional to common erect herb, taprooted; flowers white, inconspicuous.
Habitat Inside racetrack arena and at base of grandstands on W side; sandy gravel and clay; disturbed areas with Sclerochloa, Scleranthus, Arenaria serpyllifolia, Poa annua, Polygonum.
Reproductive State Flower Bud
Elevation 725 ft
Specimen Notes
Collector S. R. Hill
Collection Date 23 May 2008
Accession Number 280243
Plant Atlas Link Plant Atlas Citation

Lepidium densiflorum
Family Name Brassicaceae
Currently Accepted Name Lepidium densiflorum 54026 - Determined By: 23645, 2002
Herbarium Name Used
Locality USA. Illinois, Williamson Co.: S side of East Herrin Road, S of Chittyville Road, at bend in gravel drive; 1.5 mi. due ENE of Herrin; vicinity of reclaimed Consolidated Coal Company mine; Johnston City 7.5 minute quadrangle. T8S, R2E, Sec. 21, NW ¼, NE ¼. 37° 49' 0" N 88° 59' 20" W
Description Occasional annual herb, most senescent.
Habitat Wet sandy silt, floodplain; cleared area W of margin of oak forest and gravel road; wet fallow cropland; Juncus tenuis, Geranium carolinianum, Centunculus, Callitriche terrestris, Plantago spp.
Reproductive State Bud
Elevation 400 ft
Specimen Notes
Collector S. R. Hill
Collection Date 06 Jun 2002
Accession Number 269022
Plant Atlas Link Plant Atlas Citation

Lepidium densiflorum
Family Name Brassicaceae
Currently Accepted Name Lepidium densiflorum 54026 - Determined By: 73170, 1961
Herbarium Name Used
Locality USA. Maine, Cumberland Co.: The Intervale, Brunswick. 43° 54' 52" N 69° 57' 55" W
Reproductive State Bud Flower
Specimen Notes
Collector K. Furbish
Collection Date 26 Jun 1912
Accession Number 33111
Plant Atlas Link Plant Atlas Citation

Lepidium densiflorum
Family Name Brassicaceae
Currently Accepted Name Lepidium densiflorum 54026 - Determined By: 31133, 1972
Herbarium Name Used
Determination History
Lepidium sativum 33458
Locality USA. Michigan, Oceana Co.: Along Lake Michigan.
Habitat Sumac, black locust poplar association on dunes.
Reproductive State Fruit Bud
Specimen Notes
Collector J. DeBoer
Collection Date 14 Aug 1966
Accession Number 90581
Plant Atlas Link Plant Atlas Citation

Lepidium densiflorum
Family Name Brassicaceae
Currently Accepted Name Lepidium densiflorum 54026 - Determined By: 23645, 2007
Herbarium Name Used
Locality USA. Illinois, Will Co.: Peninsula between the Chicago Sanitary and Ship Canal and the Des Plaines River; S of the Lockport Locks, eastern 1/3 to 2/3 of the area; Joliet 7.5 minute quadrangle. T36N, R10E, Sec. 34, NE ¼, NW ¼, NW ¼. 41° 34' 1" N 88° 4' 45" W
Description Flowers greenish white; occasional herb.
Habitat Very disturbed dolomite rock and gravel; successional field, clear disturbed ground, with Daucus carota, Kochia scoparia, and Plantago virginica.
Reproductive State Bud Flower
Elevation 550 ft
Specimen Notes
Collector S. R. Hill
Collection Date 11 May 2007
Accession Number 281984
Plant Atlas Link Plant Atlas Citation

Lepidium densiflorum
Family Name Brassicaceae
Currently Accepted Name Lepidium densiflorum 54026 - Determined By: 23645, 2007
Herbarium Name Used
Locality USA. Illinois, Will Co.: Peninsula between the Chicago Sanitary and Ship Canal and the Des Plaines River; S of the Lockport Locks, eastern 1/3 to 2/3 of the area; Joliet 7.5' quadrangle. T36N, R10E, Sec. 34, NE ¼, NW ¼, NW ¼. 41° 34' 1" N 88° 4' 45" W
Description Flowers greenish white; occasional robust herb.
Habitat Very disturbed dolomite rock and gravel; successional field, clear disturbed ground, with Daucus carota, Kochia scoparia, and Plantago virginica.
Reproductive State Bud Flower
Elevation 550 ft
Specimen Notes
Collector S. R. Hill
Collection Date 11 May 2007
Accession Number 281992
Plant Atlas Link Plant Atlas Citation

Lepidium densiflorum
Family Name Brassicaceae
Currently Accepted Name Lepidium densiflorum 54026 - Determined By: 23645, Oct 1997
Herbarium Name Used
Locality USA. Illinois, Cass Co.: Beardstown; N of Stock Lane, W of Burlington Northern Railroad; Arenzville West 7.5 minute quadrangle. T18N, R12W, Sec. 35, NE ¼, NW ¼, SE ¼. 40° 1' 11" N 90° 26' 8" W
Description Flowers inconspicuous; common annual.
Habitat Level sand prairie and off road vehicle track; in disturbed sands.
Reproductive State Bud Flower
Specimen Notes
Collector S. R. Hill
Collection Date 03 Jun 1997
Accession Number 240455
Plant Atlas Link Plant Atlas Citation

Lepidium densiflorum
Family Name Brassicaceae
Currently Accepted Name Lepidium densiflorum 54026 - Determined By: 23645, 2012
Herbarium Name Used
Locality USA. Illinois, Rock Island Co.: 1.9 km E of Rock Island between the Great River Trail and 5th Avenue just S of Sylvan Slough of the Mississippi River. 41° 30' 34" N 90° 33' 20" W
Description Infrequent annual/biennial near unused railroad tracks.
Habitat Old, but active, railroad switching yard; very disturbed former sand prairie area.
Reproductive State Bud Flower
Elevation 570 ft
Specimen Notes
Collector S. R. Hill
Collection Date 19 Sep 2012
Accession Number 289173
Plant Atlas Link Plant Atlas Citation

Lepidium densiflorum
Family Name Brassicaceae
Currently Accepted Name Lepidium densiflorum 54026
Herbarium Name Used
Locality USA. Arizona, Coconino Co.: 2 mi. W of Flagstaff. 35° 11' 53" N 111° 39' 5" W
Habitat Roadside.
Reproductive State Flower
Elevation 7000 ft
Specimen Notes Common Name: Pepper-grass.
Collector P. Genelle
with G. Fleming
Collection Date 02 Jul 1972
Accession Number 102148
Plant Atlas Link Plant Atlas Citation

Lepidium densiflorum
Family Name Brassicaceae
Currently Accepted Name Lepidium densiflorum 54026 - Determined By: 80012, 26-Feb-1962
Herbarium Name Used
Locality USA. Colorado, Gunnison Co.: 3 mi. S of Gothic, 6 mi. N of Crested Butte. 38° 57' 0" N 106° 58' 60" W
Habitat Beside dirt road.
Reproductive State Flower
Elevation 9300 ft
Specimen Notes
Collector N. H. Russell
Collection Date 19 Jul 1959
Accession Number 48137
Plant Atlas Link Plant Atlas Citation

Lepidium densiflorum
Family Name Brassicaceae
Currently Accepted Name Lepidium densiflorum 54026
Herbarium Name Used
Locality Canada. Ontario Fields at Slate River; 11 mi. W of Fort William.
Reproductive State Flower
Specimen Notes
Collector O. E. Jennings
with G. K. Jennings
Collection Date 28 Jun 1913
Accession Number 73724
Plant Atlas Link Plant Atlas Citation

Lepidium densiflorum
Family Name Brassicaceae
Currently Accepted Name Lepidium densiflorum 54026 - Determined By: 4727
Herbarium Name Used
Locality Canada. Quebec Saint-Gédéon, compte de Lac Saint-Jean Commun sur le gravier d'un terrain de stationnement de long de la Belle-Riviere. 45° 10' 60" N 73° 17' 60" W
Reproductive State
Specimen Notes
Collector R. Cayouette
Collection Date 23 Jul 1968
Accession Number 184222
Plant Atlas Link Plant Atlas Citation

Lepidium densiflorum
Family Name Brassicaceae
Currently Accepted Name Lepidium densiflorum 54026
Herbarium Name Used
Locality USA. Wisconsin, La Crosse Co.: Washington Township; bordering Bohemian Creek. T15N, R5, Sec. 25. 43° 22' 0" N 88° 13' 60" W
Habitat Sandy alluvium.
Reproductive State Flower
Specimen Notes
Collector T. G. Hartley
Collection Date 24 Jun 1956
Accession Number 72628
Plant Atlas Link Plant Atlas Citation

Lepidium densiflorum
Family Name Brassicaceae
Currently Accepted Name Lepidium densiflorum 54026 - Determined By: 23645, 2009
Herbarium Name Used
Locality USA. Illinois, Champaign Co.: Champaign; 1411 Winding Lane, private residence; E of Starved Rock, South Ottawa, LaSalle County; Thomasboro 7.5 minute quadrangle. T19N, R8E, Sec. 1, SE¼, NE¼, SE¼, SW¼. 40° 7' 45" N 88° 14' 53" W
Habitat Herb in pots of sandy soil from sand prairie remnant over Peters Sandstone.
Reproductive State Bud
Elevation 757 ft
Specimen Notes
Collector S. R. Hill
Collection Date 12 Jun 2009
Accession Number 285634
Plant Atlas Link Plant Atlas Citation

Lepidium densiflorum
Family Name Brassicaceae
Currently Accepted Name Lepidium densiflorum 54026 - Determined By: 73170, 1961
Herbarium Name Used
Locality USA. Massachusetts, Norfolk Co.: Dedham. 42° 14' 30" N 71° 9' 58" W
Habitat Henyard.
Reproductive State
Specimen Notes
Collector C. H. Knowlton
Collection Date 23 Jun 1907
Accession Number 30505
Plant Atlas Link Plant Atlas Citation

Lepidium densiflorum
Family Name Brassicaceae
Currently Accepted Name Lepidium densiflorum 54026
Herbarium Name Used
Locality USA. Wisconsin, Vernon Co.: Between Victory and Red Mound. T11N, R7W, Sec. 35. 43° 28' 60" N 91° 12' 0" W
Habitat Old meadow, on high bluff.
Reproductive State Bud
Specimen Notes
Collector unknown
Collection Date 04 Oct 1958
Accession Number 46292
Plant Atlas Link Plant Atlas Citation