Dataset: All Collections
Taxa: Sedum oregonense
Search Criteria: excluding cultivated/captive occurrences

Page 1, records 1-100 of 287

Academy of Natural Sciences of Drexel University


PH
Sedum oregonense (S. Watson) M. Peck
PH00170717Tracy Scott   1052006-08-12
United States, Oregon, Josephine, Illinois Valley Ranger District. Siskiyou National Forest. Along National Forest Road 25 about 6.3 mi from Hwy 199 at junction with Forest Road 256. Area, 42.26886 -123.705639, 1032m

Botanical Research Institute of Texas, Philecology Herbarium


BRIT:BRIT-SMU
Sedum oregonense (S. Watson) M. Peck
BRIT57090A. Roach   1601949-00-00
United States, Oregon, Linn, Nash Crater Lava Flows.

Brigham Young University, S. L. Welsh Herbarium


BRY:V
Sedum oregonense (S. Watson) M. Peck
BRYV0293969Richard R. Halse   54321998-07-17
U.S.A., Oregon, Linn, Cascade Range, Willamette National Forest, Bruno Meadows along F.S. Road 2234 about 4.5 air miles NNW of its junction with State Hwy 22., 1342m

Brown University Herbarium


BRU
Sedum oregonense (S. Watson) M. Peck
PBRU00030792Wm. C. Cusick   1902-08-25
United States of America, Oregon, Steep mountain sides about Crater Lake (and not rare)

California Botanic Garden Herbarium


CalBG:RSA
Sedum oregonense (S. Watson) M. Peck
RSA0083650E. K. Balls   137171949-07-01
United States, California, Trinity, Canyon Creek Meadow, Canyon Creek, 8 miles above Dedrick., 40.941458 -123.019071, 1372m

CalBG:RSA
Sedum oregonense (S. Watson) M. Peck
RSA0083652Lester Rowntree   s.n.1936-07-13
United States, California, Trinity, Trinity Mts., 2134m

CalBG:RSA
Sedum oregonense (S. Watson) M. Peck
RSA0083648W. J. Ferlatte   10291967-08-19
United States, California, Trinity, Red Rock Mt., 41.035447 -122.89884, 2287 - 2378m

CalBG:RSA
Sedum oregonense (S. Watson) M. Peck
RSA0083651Clare B. Hardham   81321961-07-01
United States, California, Siskiyou, Siskiyou Mts., 1829 - 1982m

CalBG:RSA
Sedum oregonense (S. Watson) M. Peck
RSA0083647Frederick W. Oettinger   7701968-09-07
United States, California, Siskiyou, NW-facing slope of Golden Peak, due SE of Tobacco Lake and at approx. mid slope., 2012m

CalBG:RSA
Sedum oregonense (S. Watson) M. Peck
RSA0270005G. L. Clifton   s.n.1975-07-28
United States, California, Siskiyou, Near Cook and Green Pass, in the Seiad Valley Quadrangle near Seiad Valley., 41.941667 -123.135, 1646m

CalBG:RSA
Sedum oregonense (S. Watson) M. Peck
RSA0037171John F. Emmel   12791993-07-26
United States, California, Trinity, Northwest Trinity Alps; slope east above Grizzly Meadows, 0.4 air mile north of outlet of Grizzly Lake., 41.017 -123.05, 1981m

CalBG:RSA
Sedum oregonense (S. Watson) M. Peck
RSA0083645R. F. Thorne   633831969-08-04
United States, California, Siskiyou, Klamath National Forest, Salmon Mountains, Marble Mountain Wilderness Area, high lake basins in the vicinity of English Peak. Above English Lake, along trail to Hancock Lake., 1768m

CalBG:RSA
Sedum oregonense (S. Watson) M. Peck
RSA0270007Louis C. Wheeler   31561934-08-15
United States, California, Siskiyou, E Fork Horse Creek. Siskiyou Mts, Mt. Diablo Mer., 41.938298 -123.054712, 1220m

CalBG:RSA
Sedum oregonense (S. Watson) M. Peck
RSA0035469Peter F. Zika   256472011-07-19
United States, California, Siskiyou, Near Pacific Crest Trail, 1 air mile WNW of Copper Butte, Siskiyou Mountains, Klamath Range (KR)., 41.938333 -123.132167, 1610m

CalBG:RSA
Sedum oregonense (S. Watson) M. Peck
RSA0270003Louis C. Wheeler   83221963-08-31
United States, California, Siskiyou, Siskiyou Mountains. Devil's Punch Bowl off Clear Creek., 41.80674 -123.66704, 1524m

CalBG:RSA
Sedum oregonense (S. Watson) M. Peck
RSA0270004John F. Emmel   5141974-07-19
United States, California, Siskiyou, Limestone ridge 0.2 air mile N. of Lily Pad Lake. Siskiyou Mountains., 41.922939 -123.188374, 1829 - 1951m

CalBG:RSA
Sedum oregonense (S. Watson) M. Peck
RSA0270001Louis C. Wheeler   28321934-06-29
United States, California, Siskiyou, Soda Creek, Sterling Mt, Siskiyou Mts, Mt. Diablo Mer., 41.966265 -122.795915, 1067m

CalBG:RSA
Sedum oregonense (S. Watson) M. Peck
RSA0083649Frederick W. Oettinger   4131968-08-05
United States, California, Siskiyou, On NE-facing slope S of and above Charmaine Lake., 1951m

CalBG:RSA
Sedum oregonense (S. Watson) M. Peck
RSA0083653L. C. Wheeler   82711963-08-25
United States, California, Siskiyou, South side of Preston Peak: Head Rattlesnake Creek., 41.83685 -123.60263, 1829m

CalBG:RSA
Sedum oregonense (S. Watson) M. Peck
RSA0083646L. C. Wheeler   36041935-06-27
United States, California, Siskiyou, Head of Etna Creek, Marble Mountains., 41.390002 -123.000936, 1799m

CalBG:RSA
Sedum oregonense (S. Watson) M. Peck
RSA0083654W. J. Ferlatte   7501967-07-26
United States, California, Siskiyou, Caribou Basin, Sawtooth Ridge., 2286m

CalBG:RSA
Sedum oregonense (S. Watson) M. Peck
RSA0270002Louis C. Wheeler   28471934-07-03
United States, California, Siskiyou, Above rocks on ridge at head of Soda Creek, Sterling Mt, Siskiyou Mts, Mt. Diablo Mer., 41.980739 -122.842152, 677m

CalBG:RSA
Sedum oregonense (S. Watson) M. Peck
RSA0270006G. J. Muth   s.n.1975-07-31
United States, California, Siskiyou, Near Kangaroo Mountain, in the Seiad Valley Quadrangle near Seiad Valley., 41.916667 -123.191667, 1918m

CalBG:RSA
Sedum oregonense (S. Watson) M. Peck
RSA0181531Peter F. Zika   259592012-07-06
United States, Oregon, Linn, Cone Peak Trail above Road 20, about 1 trail mile uphill; ca 0.6 air miles south of Cone Peak Summit., 44.4017 -122.1317, 1440m

CalBG:RSA
Sedum oregonense (S. Watson) M. Peck
RSA0153004Peter F. Zika   259642012-07-11
United States, Oregon, Clackamas, E side of summit of High Rock, 1.5 air km SW of Wolf Peak, Cascade Range., 45.158 -121.89, 1475m

CalBG:RSA
Sedum oregonense (S. Watson) M. Peck
RSA0181533Peter F. Zika   259282012-06-24
United States, California, Del Norte, Above route 15, near Peak 8, 0.4 road miles east of divide (and "trail" to Peak 8), 6.4 road miles east of junction with Road 14N01 (to Red Mountain Lookout)., 41.55067 -123.77365, 1423m

CalBG:RSA
Sedum oregonense (S. Watson) M. Peck
RSA0153381Peter F. Zika   266212014-06-10
United States, California, Del Norte, Both sides of FS Road 15 (G-O Road), 2.4-2.74 road miles SE of junction with FS Road 14N01, 5.5 air km NW of Peak Eight. Klamath Range., 41.583 -123.8266, 1270m

CalBG:RSA-VascularPlants
Sedum oregonense (S. Watson) M. Peck
RSA0270007   
United States, California

CalBG:RSA-VascularPlants
Sedum oregonense (S. Watson) M. Peck
RSA0270006   
United States, California

CalBG:RSA-VascularPlants
Sedum oregonense (S. Watson) M. Peck
RSA0270005   
United States, California

CalBG:RSA-VascularPlants
Sedum oregonense (S. Watson) M. Peck
RSA0270004   
United States, California

CalBG:RSA-VascularPlants
Sedum oregonense (S. Watson) M. Peck
RSA0270003   
United States, California

CalBG:RSA-VascularPlants
Sedum oregonense (S. Watson) M. Peck
RSA0270002   
United States, California

CalBG:RSA-VascularPlants
Sedum oregonense (S. Watson) M. Peck
RSA0270001   
United States, California

CalBG:RSA
Sedum oregonense (S. Watson) M. Peck
RSA0270469Richard R. Halse   80542010-08-12
United States, Oregon, Douglas, Willamette National Forest; Calapooya Range; NFD Road 2133/5851 ca. 0.4 miles east of Loletta Lakes, ca. 35 miles south of Oakridge via Rigdon Road (NFD Road 21)., 43.3964 -122.42842, 1631m

CalBG:RSA
Sedum oregonense (S. Watson) M. Peck
RSA0270468M. B. Dunkle   91631944-08-05
United States, Oregon, Klamath, Crater Lake., 42.901809 -122.086226, 2438m

CalBG:RSA
Sedum oregonense (S. Watson) M. Peck
RSA0270467J. William Thompson   12 2481935-07-21
United States, Oregon, Klamath, At Vitae Falls, Crater Lake., 1829m

CalBG:RSA
Sedum oregonense (S. Watson) M. Peck
RSA0270466L. E. Detling   50611941-07-23
United States, Oregon, Lane, Carpenter Mt., 1372m

CalBG:RSA
Sedum oregonense (S. Watson) M. Peck
RSA0270465Mrs. Austin   15641897-08-00
United States, Oregon, Klamath, Crater Lake., 42.901809 -122.086226

CalBG:RSA
Sedum oregonense (S. Watson) M. Peck
RSA0270464Wm. C. Cusick   29741902-08-25
United States, Oregon, Klamath, About Crater Lake.

CalBG:RSA
Sedum oregonense (S. Watson) M. Peck
RSA0270463J. William Thompson   12 3651935-07-28
United States, Oregon, Jackson, Slopes of Ashland Peak, Siskiyou Mts., 2134m

CalBG:RSA
Sedum oregonense (S. Watson) M. Peck
RSA0270462Richard R. Halse   54321998-07-17
United States, Oregon, Linn, Cascade Range, Willamette National Forest, Bruno Meadows, along F.S. Road 2234 about 4.5 miles NNW of its junction with State Hwy. 22., 1342m

CalBG:RSA
Sedum oregonense (S. Watson) M. Peck
RSA0270461C. L. Hitchcock   200771953-07-24
United States, Oregon, Linn, About 6 miles north of Belknap Springs on road to Clear Lake.

CalBG:RSA
Sedum oregonense (S. Watson) M. Peck
RSA0270460F. W. Peirson   69491926-06-29
United States, Oregon, Klamath, Trail to Garfield Peak, Crater Lake National Park.

CalBG:RSA
Sedum oregonense (S. Watson) M. Peck
RSA0270459Karen Hosterman   3481955-09-02
United States, Oregon, Klamath, On trail to Garfield Peak, around rim of Crater Lake. Cascade Mt. Range., 2195m

CalBG:RSA
Sedum oregonense (S. Watson) M. Peck
RSA0270458G. N. Jones   41931933-07-21
United States, Oregon, Hood River, Near Bottle Prairie, Mt. Hood National Forest.

CalBG:RSA
Sedum oregonense (S. Watson) M. Peck
RSA0270457Clare B. Hardham   80951961-06-30
United States, Oregon, Jackson, Red Mountain, Siskiyous.

CalBG:RSA
Sedum oregonense (S. Watson) M. Peck
RSA0270456C. L. Hitchcock   50151939-06-29
United States, Oregon, Jackson, Ragsdale Butte Lookout; ca. 12 miles northwest of Trail., 1372m

CalBG:RSA
Sedum oregonense (S. Watson) M. Peck
RSA0562896Peter F. Zika   279462016-06-18
United States, Oregon, Linn, Along both sides of Route 126, 4.5 air km W of Nash Crater, Cascade Range., 44.4178 -122.0039, 1025m

Carnegie Museum of Natural History Herbarium


CM:Botany-botany
Sedum oregonense (S. Watson) M. Peck
CM321890Utech, F.H.   86-6281986-06-10
United States, Oregon, Marion, Willamette N.F, Mt. Jefferson Wilderness area, 5 mi E on Whitewater Rd from OR 22, Sentinel Creek, 880m

CM:Botany-botany
Sedum oregonense (S. Watson) M. Peck
CM451676Howell, T.J.   s.n.1880-07-00
United States, Cascade Mountains

CM:Botany-botany
Sedum oregonense (S. Watson) M. Peck
CM451677Henry, L.K.   s.n.1971-07-01
United States, Oregon, Linn, Willamette National Forest on Rt. 20, W of Lambs Creek

College of Southern Nevada; Wesley E. Niles Herbarium


UNLV
Sedum oregonense (S. Watson) M. Peck
35598J.A. Alexander   2331994-07-02
United States, California, Siskiyou, Marble Mts, on a northwest facing, Mesozoic granite cliff face, along the Sawyer's Bar Road; Marble Mts Wilderness Area, 1800m

Delaware State University, Claude E. Phillips Herbarium


DOV
Sedum oregonense (S. Watson) M. Peck
DOV0076729   
United States, Oregon

Field Museum of Natural History


F:Botany
Sedum oregonense (S. Watson) M. Peck
A. A. Heller   126081916-08-30
U.S.A., Oregon

F:Botany
Sedum oregonense (S. Watson) M. Peck
T. J. Howell   1887-07-07
U.S.A., Oregon

F:Botany
Sedum oregonense (S. Watson) M. Peck
M. E. Peck   79431918-06-22
U.S.A., Oregon

F:Botany
Sedum oregonense (S. Watson) M. Peck
W. C. Cusick   29741902-08-25
U.S.A., Oregon

Harvard University Herbaria: Vascular Plants of North America


Harvard:GH
Sedum oregonense (S. Watson) M. Peck
00619988A. N. Steward class   73461957-10-05
United States of America, Oregon, Linn County, Along Hwy. 20, 2 mi. west of junction with Hwy. 22

Harvard:GH
Sedum oregonense (S. Watson) M. Peck
00395084E. P. Lee   11051934-08-14
United States of America, California, Siskiyou County, north-facing slope at summit, Little Grayback

Harvard:GH
Sedum oregonense (S. Watson) M. Peck
00395105J. P. Tracy   145171935-08-03
United States of America, California, Trinity County, Mary Blaine Mt., 2865m

Harvard:GH
Sedum oregonense (S. Watson) M. Peck
00395106J. T. Howell   134501937-07-25
United States of America, California, Siskiyou County, Caribou Basin, Salmon-Trinity Alps, 2286m

Harvard:GH
Sedum oregonense (S. Watson) M. Peck
00395294P. F. Zika & R. E. Brainerd   266212014-06-10
United States of America, California, Del Norte County, FS Road 15 (G-O Road), 2.4-2.75 road miles SE of junction with FS Road 14N01, 5.5 air km NW of Peak Eight, 41 -123, 1270m

Harvard:GH
Sedum oregonense (S. Watson) M. Peck
01991752R. E. Brainerd & Nick Otting   CWG-2502013-07-08
United States of America, California, Siskiyou County, Salmon Mountains, Russian Wilderness, along trail just east of Little Duck Lake. 41.30960 north, 122.94744 west, 2038m

Harvard:GH
Sedum oregonense (S. Watson) M. Peck
01991753P. F. Zika   256472011-07-19
United States of America, California, Siskiyou County, near Pacific Crest Trail, 1air mile WNW of Copper Butte, Siskiyou Mountains, 41°56.3N, 123°7.93'W, Klamath Range (KR), 1610m

Harvard:GH
Sedum oregonense (S. Watson) M. Peck
01991754F. W. Hunnewell   77351921-07-29
United States of America, Oregon, Crator Lake National Park

Harvard:GH
Sedum oregonense (S. Watson) M. Peck
01991755W. C. Cusick   29741902-08-25
United States of America, Oregon, Steep mountain sides about Crater Lake

Harvard:GH
Sedum oregonense (S. Watson) M. Peck
01991756C. L. Hitchcock & L. S. Martin   50151939-06-29
United States of America, Oregon, Jackson County, Ragsdale Butte Lookout, ca. 12 miles northwest of trail., 1372m

Harvard:GH
Sedum oregonense (S. Watson) M. Peck
01991757J. C. Nelson   28671919-08-14
United States of America, Oregon, 4 mi. S. of Mt. Jefferson, 1981m

Harvard:GH
Sedum oregonense (S. Watson) M. Peck
01991758R. T. Clausen   6510601965-07-16
United States of America, Oregon, Lane County, Northeast slope of O'Leary Mountain, 1640m

Harvard:GH
Sedum oregonense (S. Watson) M. Peck
01991759R. T. Clausen   6510761965-07-22
United States of America, Oregon, Lane County, Eastern slope of highest part of ridge of Mink Lake, 1580m

Harvard:GH
Sedum oregonense (S. Watson) M. Peck
01991760R. T. Clausen   6510881965-07-25
United States of America, Oregon, Lane County, near base of bluffs between Alder and Butte Springs, 1.7 km east of Deer Butte, 220m

Harvard:GH
Sedum oregonense (S. Watson) M. Peck
01991761A. A. Heller   1916-08-30
United States of America, Oregon, Crater Lake National Park. Ravine southeast of the Lodge in open forest, 2134m

Harvard:GH
Sedum oregonense (S. Watson) M. Peck
01991762J. C. Nelson   51211928-07-29
United States of America, Oregon, Klamath County, W. end of Odell Lake

Harvard:GH
Sedum oregonense (S. Watson) M. Peck
01991763P. C. Hutchison   9501962-08-00
United States of America, Oregon, Jackson County, 2 1/4 miles north of Jackson County Line on highway 230, Rogue River Canyon, on the first hill after entering Douglas Couonty. 8.6 miles above junction of highways 230 and 62, abundant on steep east-facing slope., 1158m

Harvard:GH
Sedum oregonense (S. Watson) M. Peck
01991764R. R. Halse   86402012-08-02
United States of America, Oregon, Douglas County, Willamette National Forest; Cascade Range; Calapooya Mountains; ca. 35 miles south of Oakridge on top of a steep ridge above Loletta Lake., 43.39509 -122.42646, 1700m

Harvard:GH
Sedum oregonense (S. Watson) M. Peck
01991765P. F. Zika   270952015-06-11
United States of America, Oregon, Jackson County, S side of FS Road 20, 0.9 air km SW of Big Red Mountain, 10.6 road miles W of ski area, Little Red Mountain Creek drainage, Siskiyou Mountains, 42.047 -122.836, 1990m

Harvard:GH
Sedum oregonense (S. Watson) M. Peck
01991766P. F. Zika   259642012-07-11
United States of America, Oregon, Clackamas County, Steep slope of summit of High Rock, Mount Hood National Forest, 45.1575 -121.8895, 1475m

Harvard:GH
Sedum oregonense (S. Watson) M. Peck
02018455P. F. Zika   263372013-07-23
United States of America, Oregon, Lane County, below Grasshopper Meadow, 0.7 air km WNW of Grasshopper Point, 1550m

Harvard:GH
Sedum oregonense (S. Watson) M. Peck
02018454P. F. Zika   256572011-07-20
United States of America, Oregon, Josephine County, BLM Road 33-5-26.2, 0.9 road miles N of junction with Road 33-5-21, 2 air miles WSW of King Mountain, Klamath Mountains, 950m

Harvard:GH
Sedum oregonense (S. Watson) M. Peck
02018453P. F. Zika, R. E. Brainer & J. K. Nelson   266492014-06-13
United States of America, California, Trinity County, 2.9 air km NW of Dubakella Mountain; Klamath Range (KR), 1340m

Harvard:GH
Sedum oregonense (S. Watson) M. Peck
01784939P. F. Zika   279462016-06-18
United States of America, Oregon, Linn County, [data not captured]

Harvard:GH
Sedum oregonense (S. Watson) M. Peck
01784940P. F. Zika   259642012-07-11
United States of America, Oregon, Clackamas County, [data not captured]

Harvard:GH
Sedum oregonense (S. Watson) M. Peck
02236505P. F. Zika   25647A2011-07-19
United States of America, California, Siskiyou County, [data not captured]

Harvard:GH
Sedum oregonense (S. Watson) M. Peck
02236506P. F. Zika & B. Lynn Wilson   256662011-07-30
United States of America, Oregon, Jackson County, [data not captured]

Harvard:GH
Sedum oregonense (S. Watson) M. Peck
02236507P. F. Zika   279482016-06-19
United States of America, Oregon, Lane County, [data not captured]

Louisiana State University, Shirley C. Tucker Herbarium


LSU-NO:Vascular Plants
Sedum oregonense (S. Watson) M. Peck
NO0061957Joseph A. Ewan   88651934-04-30
United States, California, Napa

LSU-NO:Vascular Plants
Sedum oregonense (S. Watson) M. Peck
NO0061958Joseph A. Ewan   107311937-07-26
United States, Oregon, Klamath

Missouri Botanical Garden


MO
Sedum oregonense (S. Watson) M. Peck
1580687Adam F. Bradley   8792001-07-01
United States, Oregon, Linn, Willamette National Forest, intersection of Hwy. 126 and US Hwy 20. Old lava flow at south roadside. Sparsely wooded., 44.0733334 -123.0433333, 1006m

MO
Sedum oregonense (S. Watson) M. Peck
1181792Porter P. Lowry II   45961994-07-30
United States, Oregon, Linn, Iron Mountain, South Santiam Pass, just N of US Highway 20. Open slopes and meadows below summit along trail. GPS coordinates., 44.4047222 -122.15, 1580 - 1600m

MO
Sedum oregonense (S. Watson) M. Peck
100533476Tracy Scott   1052006-08-12
United States, Oregon, Josephine, Illinois Valley Ranger District. Siskiyou National Forest. Along National Forest Road 25 about 6.3 mi from Hwy 199 at junction with Forest Road 256. Area with some serpentine slopes, dominated by Pinus sp. & Arctostaphylos sp., 42.3544444 -123.6397222, 1032m

MO
Sedum oregonense (S. Watson) M. Peck
101182601J. William Thompson   33231927-07-31
United States, Oregon, Head of Bluegrass Ridge, Mount Hood region.

MO
Sedum oregonense (S. Watson) M. Peck
101228103Morton E. Peck   91631919-08-14
United States, Oregon, Dry SW slope of Mount Jefferson., 2400m

MO
Sedum oregonense (S. Watson) M. Peck
101228104A. Arthur Heller   126081916-08-30
United States, Oregon, Ravine southeast of the Lodge in open forest., 2134m

MO
Sedum oregonense (S. Watson) M. Peck
101228106William C. Cusick   29741902-08-25
United States, Oregon, Steep mountain sides about Crater Lake (and not rare).

MO
Sedum oregonense (S. Watson) M. Peck
101228105A. Arthur Heller   134011920-06-29
United States, California, Siskiyou, Near Wagon creek falls, east side of Mt. Eddy in swampy places.

MO
Sedum oregonense (S. Watson) M. Peck
101228386Peter F. Zika   266212014-06-10
United States, California, Del Norte, Borth sides of FS Road 15 (G-O Road), 2.4-2.75 road miles SE of junction with FS Road 14N01, 5.5 air km NW of Peak Eight, Klamath Range., 41.583 -123.8266, 1270m

MO
Sedum oregonense (S. Watson) M. Peck
101228394Peter F. Zika   256472011-07-19
United States, California, Siskiyou, Near Pacific Crest Trail, 1 air mile WNW of Copper Butte, Siskiyou Moutains., 41.9383333 -123.1321667, 1610m

MO
Sedum oregonense (S. Watson) M. Peck
101228405Thomas J. Howell   11381887-07-07
United States, Oregon, Waldo.

MO
Sedum oregonense (S. Watson) M. Peck
101228397Peter F. Zika   259642012-07-11
United States, Oregon, Clackamas, Steep south slope of summit of High Rock, Mount Hood National Forest., 45.1575 -121.8895, 1475m


Page 1, records 1-100 of 287


Google Map

Google Maps is a web mapping service provided by Google that features a map that users can pan (by dragging the mouse) and zoom (by using the mouse wheel). Collection points are displayed as colored markers that when clicked on, displays the full information for that collection. When multiple species are queried (separated by semi-colons), different colored markers denote each individual species.

Google Earth (KML)

This creates an KML file that can be opened in the Google Earth mapping application. Note that you must have Google Earth installed on your computer to make use of this option.