Panicum virgatum

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Distribution Map: Based on vouchered plant specimens only. View county names by placing the mouse cursor over a particular county.

Species Distribution Map
Family:POACEAE
Species:Panicum virgatum L.
Common Name:Switchgrass; Wand Panic Grass
Habitat:**
Associated Ecological Communities:**
Growth Habit:Herb
Duration:Perennial
Category:Vascular
USDA Symbol:PAVI2
Plant Notes:**
Taxonomic Notes:**
Status:Native
References:**

** Not applicable or data not available.

Classification

FamilyPOACEAE - Grass family
Genus Panicum
Species Panicum virgatum L. - Switchgrass; Wand Panic Grass

Citation

Citation Panicum virgatum Linnaeus, Sp. Pl. 1: 59. 1753.
Basionym: **
Type: USA: VIRGINIA: Without data, Clayton 578 (lectotype: LINN; isotype: BM). Lectotypified by Hitchcock & Chase, Contr. U.S. Natl. Herb. 15: 87. 1910.

** Not applicable or data not available.

Synonyms

SynonymFull CitationBasionymType
Chasea virgata Chasea virgata (Linnaeus) Nieuwland, Amer. Midl. Naturalist 2: 64. 1911.Panicum virgatum Linnaeus 1753. 
Eatonia purpurascens Eatonia purpurascens Rafinesque, J. Phys. Chim. Hist. Nat. Arts 89: 104. 1819. NEW YORK: Long Island, 1819, Rafinesque s.n. (lectotype: G-DC). Lectotypified by Hitchcock & Chase, Contr. U.S. Natl. Herb. 15: 87. 1910.
Milium virgatum Milium virgatum (Linnaeus) Lunell, Amer. Midl. Naturalist 4: 212. 1915.Panicum virgatum Linnaeus 1753. 
Milium virgatum var. elongatum Milium virgatum (Linnaeus) Lunell, var. elongatum (Vasey) Lunell, Amer. Midl. Naturalist 4: 212. 1915.Panicum virgatum Linnaeus, var. elongatum Vasey 1886. 
Panicum giganteum Panicum giganteum Scheele, Linnaea 22: 340. 1849.   TEXAS: Dry riverbed of Cibolo River between San Antonio and New Braunfels, Sep, Lindheimer s.n. (holotype: ?; isotype: MO).
Panicum glaberrimum Panicum glaberrimum Steudel, Syn. Pl. Glumac. 1: 94. 1854. Cult. from North American material at Bot. Gard. Berlin-Dahlem (holotype: P?).
Panicum ichnanthoides Panicum ichnanthoides E. Fournier, Mexic. Pl. 2: 30. 1886. MEXICO: Veracruz: Orizaba, s.d., Mueller 2002 (holotype: LE).
Panicum virgatum subsp. cubense Panicum virgatum Linnaeus, subsp. cubense (Grisebach) W. Stone, Pl. S. New Jersey 196. 1912 ("1911").Panicum virgatum Linnaeus, var. cubense Grisebach 1866. 
Panicum virgatum var. breviramosum Panicum virgatum Linnaeus, var. breviramosum Nash, Bull. Torrey Bot. Club 23: 150. 1896. GEORGIA: Richmond Co.: Augusta, 27 Jun-1 Jul 1895, Small s.n. (holotype: NY).
Panicum virgatum var. confertum Panicum virgatum Linnaeus, var. confertum Vasey, Bull. Torrey Bot. Club 13: 26. 1886. NEW JERSEY: Atlantic Co.: Atlantic City, 1884, Vasey s.n. (lectotype: US). Lectotypified by Hitchcock & Chase, Contr. U.S. Natl. Herb. 15: 88. 1910.
Panicum virgatum var. cubense Panicum virgatum Linnaeus, var. cubense Grisebach, Cat. Pl. Cub. 233. 1866. Hanabana, 19 May 1865, Wright 183 (holotype: GOET).
Panicum virgatum var. diffusum Panicum virgatum Linnaeus, var. diffusum Vasey, Bull. Torrey Bot. Club 13: 26. 1886.  
Panicum virgatum var. elongatum Panicum virgatum Linnaeus, var. elongatum Vasey, Bull. Torrey Bot. Club 13: 26. 1886. SOUTH DAKOTA: Mellette Co.: White River, Aug 1892?, Wilcox 13 (lectotype: US). Lectotypified by Hitchcock & Chase, Contr. U.S. Natl. Herb. 15: 88. 1910.
Panicum virgatum var. glaucephyllum Panicum virgatum Linnaeus, var. glaucephyllum Cassidy, Colorado Agric. Exp. Sta. Bull. 12: 29. 1890. COLORADO
Panicum virgatum var. obtusum Panicum virgatum Linnaeus, var. obtusum A. W. Wood, Amer. Bot. Fl., ed. 2. 392. 1871. NEW JERSEY:
Panicum virgatum var. scorteum Panicum virgatum Linnaeus, var. scorteum Linder, Rhodora 24: 14. 1922. BERMUDA: Flatt's Inlet, Smith's Parish, 8 Jul 1905, Moore 2850 (holotype: GH).
Panicum virgatum var. spissum Panicum virgatum Linnaeus, var. spissum Linder, Rhodora 24: 15. 1922. CANADA: Nova Scotia: Great Pubnico Lake, 6 Sep 1920, Fernald et al. 19766 (holotype: GH).
Panicum virgatum var. thyrsiforme Panicum virgatum Linnaeus, var. thyrsiforme Linder, Rhodora 24: 14. 1922. FLORIDA: Brevard Co.: Indian River region, 28 Nov 1902, Fredholm 5580 (holotype: GH).

Specimens and Distribution

This species has been reported in the following counties by the herbaria listed. An overview of the individual specimens are provided in the table that follows. Click on the accession number to view details; click on column headers to sort; choose a county or herbaria to filter the specimen data.

Counties included on distribution map: Autauga, Baldwin, Barbour, Bibb, Blount, Bullock, Butler, Calhoun, Cherokee, Choctaw, Clay, Cleburne, Coffee, Colbert, Conecuh, Covington, Crenshaw, Dale, DeKalb, Escambia, Etowah, Geneva, Greene, Hale, Jackson, Lawrence, Lee, Lowndes, Madison, Marengo, Marshall, Mobile, Monroe, Perry, Pike, St. Clair, Sumter, Tuscaloosa, Washington, Wilcox

Counties represented by specimen data listed below:

Herbaria represented by specimen data listed below: ALNHS, AUA, JSU, SAMF, TROY, UNA, USAM, UWAL

Range of years during which specimens were collected: 1965 - 2019

Barcode / Accession No. County Coll. Date Collector &
Collection No.		 Herbarium &
Herbarium Name Used		 Image
AUA000018211 Perry 17 Oct 1993 Diamond, Alvin R.
8884		 AUA
Panicum Virgatum L.
JSU106007 Cherokee 01 Oct 1982 Whetstone, R. David
12681		 JSU
Panicum virgatum Linnaeus
SAMF0008099 Covington 13 Nov 1978 Kral, R.
63112		 SAMF
Panicum virgatum Linnaeus
AUA000036057 Covington 15 Aug 2011 Hansen, Curtis J.
5164		 AUA
Panicum Virgatum L.
JSU100244 Choctaw 13 Sep 1997 Higginbotham, Jerri W.
139		 JSU
Panicum virgatum Linnaeus
UNA00060143 Bibb 09 Aug 2003 Haynes, Robert R.
10415		 UNA
Panicum virgatum L.
JSU100260 Mobile 26 Jul 1998 Spaulding, Daniel D.
10381		 JSU
Panicum virgatum Linnaeus
TROY000012418 Coffee 04 Sep 2000 Martin, Brian H.
911		 TROY
Panicum virgatum Linnaeus
USAM000012272 Mobile 08 Sep 1965 Deramus, Rebecca
756		 USAM
Panicum virgatum Linnaeus
UWAL0043433 Baldwin 16 Sep 2004 Larsen, Harry S.
1414		 UWAL
Panicum virgatum L.
UNA00005327 DeKalb 08 Aug 1980 Meigs, Russell A.
1145		 UNA
Panicum virgatum L.
AUA000018198 Butler 25 Sep 1988 Diamond, Alvin R.
5547		 AUA
Panicum Virgatum L.
JSU100241 Baldwin 01 Sep 1997 Brodeur, Kristin R.
77		 JSU
Panicum virgatum Linnaeus
TROY000045261 Autauga 16 Sep 2017 Parker, Matthew R.
1234		 TROY
Panicum virgatum Linnaeus
AUA000036608 Covington 12 Sep 2011 Hansen, Curtis J.
5274		 AUA
Panicum Virgatum L.
TROY000044139 Geneva 22 Sep 2016 Byrd, Cameron
202		 TROY
Panicum virgatum Linnaeus
JSU100256 Lawrence 21 Jun 1996 Whetstone, R. David
18200		 JSU
Panicum virgatum Linnaeus
UWAL0017878 Cherokee 22 Aug 1996 Kral, Robert
86593		 UWAL
Panicum virgatum L.
JSU100261 St. Clair 03 Sep 1982 Whetstone, R. David
12046		 JSU
Panicum virgatum Linnaeus
TROY000045234 Marengo 24 Jul 2011 England, J. Kevin
3084		 TROY
Panicum virgatum Linnaeus
AUA000018197 Baldwin 25 Jul 1969 Rebois, R.V.
73		 AUA
Panicum Virgatum L.
JSU100245 Choctaw 13 Sep 1997 Higginbotham, Jerri W.
214		 JSU
Panicum virgatum Linnaeus
UWAL0057131 Bibb 20 Sep 2019 Keener, Brian R.
11618		 UWAL
Panicum virgatum L.
USAM000012273 Mobile 15 Aug 1972 LeLong, Michel G.
6751		 USAM
Panicum virgatum Linnaeus
UNA00006424 Lowndes 03 Oct 1982 Gunn, Scott C.
1381		 UNA
Panicum virgatum L.
USAM000012278 Mobile 15 Aug 1966 Deramus, Rebecca
980		 USAM
Panicum virgatum Linnaeus
JSU100246 Clay 30 Jul 1994 Ballard, J. Mark
4245		 JSU
Panicum virgatum Linnaeus
TROY000030728 Lee 04 Oct 1954 Cunningham, Hugh B.
s.n.		 TROY
Panicum virgatum Linnaeus
AUA000018213 Wilcox 2 Oct 1982 Gunn, Scott C.
1350		 AUA
Panicum Virgatum L.
UNA00064339 Butler 25 Sep 2004 Diamond, Alvin R.
14722		 UNA
Panicum virgatum L.
USAM000012270 Baldwin 10 Sep 1967 LeLong, Michel G.
3738		 USAM
Panicum virgatum Linnaeus
UWAL0046627 Autauga 16 Sep 2017 Parker, Matthew R.
1234		 UWAL
Panicum virgatum Linnaeus
UNA00062200 Crenshaw 02 Nov 2003 Diamond, Alvin R.
14251		 UNA
Panicum virgatum L.
AUA000018204 DeKalb 28 Aug 1970 Kral, Robert
40790		 AUA
Panicum Virgatum L.
JSU106008 Cherokee 01 Oct 1982 Whetstone, R. David
12681		 JSU
Panicum virgatum Linnaeus
TROY000012421 Crenshaw 02 Nov 2003 Diamond, Alvin R.
14251		 TROY
Panicum virgatum Linnaeus
AUA000018207 Lee 12 Aug 1969 Rebois, R.V.
162		 AUA
Panicum Virgatum L.
JSU156384 Choctaw 13 Sep 1997 Higginbotham, Jerri W.
176		 JSU
Panicum virgatum Linnaeus
UNA00005365 Sumter 12 Sep 1967 Thomas, Joab L.
1214		 UNA
Panicum virgatum L.
UNA00006429 Wilcox 02 Oct 1982 Gunn, Scott C.
1350		 UNA
Panicum virgatum L.
USAM000012276 Mobile 10 Sep 1964 Deramus, Rebecca
248		 USAM
Panicum virgatum Linnaeus
UWAL0044156 Baldwin 19 Aug 2006 Larsen, Harry S.
1529		 UWAL
Panicum virgatum L.
UNA00005337 Madison 30 Jul 1980 Meigs, Russell A.
1095		 UNA
Panicum virgatum L.
AUA000018199 Butler 25 Sep 2004 Diamond, Alvin R.
14722		 AUA
Panicum Virgatum L.
JSU100253 Jackson 13 Aug 1998 Brodeur, Kristin R.
1222		 JSU
Panicum virgatum Linnaeus
USAM000012274 Mobile 10 Oct 1977 LeLong, Michel G.
9924		 USAM
Panicum virgatum Linnaeus
UWAL0036021 Blount 14 Sep 2013 Anderson, Kelly
505		 UWAL
Panicum virgatum L. var. virgatum
UNA00005322 Mobile 08 Sep 1965 Deramus, Rebecca
D756		 UNA
Panicum virgatum L.
USAM000012266 Mobile 22 Oct 1993 Miley, Glen A.
s.n.		 USAM
Panicum virgatum Linnaeus
JSU100242 Calhoun 05 Oct 1986 Lawler, Carol L.
1304		 JSU
Panicum virgatum Linnaeus
UWAL0054361 Sumter 27 Oct 2020 Keener, Brian R.
12072		 UWAL
Panicum virgatum L.
AUA000036714 Covington 15 Aug 2011 Hansen, Curtis J.
5164		 AUA
Panicum Virgatum L.
UWAL0038288 Baldwin 04 Oct 1975 LeLong, Michel G.
8799		 UWAL
Panicum virgatum Linnaeus
UNA00005378 Mobile 26 Aug 1965 Deramus, Rebecca
695		 UNA
Panicum virgatum L.
JSU100243 Cherokee 17 Oct 1992 Spaulding, Daniel D.
3256		 JSU
Panicum virgatum Linnaeus
ALNHS00002935 Colbert 23 Sep 2014 Barger, T. Wayne
FH-571		 ALNHS
Panicum virgatum L. var. virgatum
UWAL0043434 Baldwin 04 Oct 2003 Larsen, Harry S.
1293		 UWAL
Panicum virgatum L.
UNA00005342 DeKalb 08 Aug 1980 Meigs, Russell A.
1125		 UNA
Panicum virgatum L.
USAM000012277 Greene 23 Jun 1980 LeLong, Michel G.
11187		 USAM
Panicum virgatum Linnaeus
UWAL0037578 Washington 31 Oct 1995 Sorrie, Bruce A.
8668		 UWAL
Panicum virgatum L.
JSU100250 DeKalb 14 Oct 1975 Whetstone, R. David
6996		 JSU
Panicum virgatum Linnaeus
AUA000018202 Crenshaw 23 Aug 1996 Diamond, Alvin R.
10498		 AUA
Panicum Virgatum L.
UWAL0054309 Jackson 19 Oct 2020 Keener, Brian R.
12058		 UWAL
Panicum virgatum L.
JSU100255 Lawrence 21 Jun 1996 Whetstone, R. David
18200		 JSU
Panicum virgatum Linnaeus
UWAL0046609 Autauga 01 Sep 2016 Parker, Matthew R.
19		 UWAL
Panicum virgatum Linnaeus
UNA00056886 Geneva 08 Sep 1998 MacDonald, John R.
11925		 UNA
Panicum virgatum L.
TROY000012419 Coffee 06 Nov 2003 Thomas, Stephanie
23		 TROY
Panicum virgatum Linnaeus
USAM000012271 Baldwin 20 Jul 1974 LeLong, Michel G.
8040		 USAM
Panicum virgatum Linnaeus
UWAL0002350 Wilcox 16 Aug 2008 Spaulding, Daniel D.
13056		 UWAL
Panicum virgatum L.
UWAL0052910 Bibb 24 Jul 2019 Keener, Brian R.
11463		 UWAL
Panicum vigratum L.
AUA000041421 Covington 7 Sep 2012 Hansen, Curtis J.
5734		 AUA
Panicum Virgatum L. Var. Virgatum
ALNHS00002390 Colbert 22 Aug 2013 Barger, T. Wayne
FH-192		 ALNHS
Panicum virgatum L. var. virgatum
AUA000018200 Cherokee 24 Aug 1981 Henderson, T.
456		 AUA
Panicum Virgatum L.
JSU100257 Madison 22 Sep 1995 Threlkeld, Steven J.
34		 JSU
Panicum virgatum Linnaeus
TROY000047208 Baldwin 04 Oct 1975 Lelong, Michel G.
8799		 TROY
Panicum virgatum Linnaeus
AUA000018195 Baldwin 22 Jul 1967 Teem, David H.
 AUA
Panicum Virgatum L.
UWAL0037508 Bullock 21 Oct 2016 Soehren, Eric C.
436		 UWAL
Panicum virgatum L. var virgatum
AUA000018203 Crenshaw 2 Nov 2003 Diamond, Alvin R.
14251		 AUA
Panicum Virgatum L.
UNA00059999 Baldwin 10 Nov 2002 Zebryk, Tad M.
7990		 UNA
Panicum virgatum L.
UWAL0038545 Escambia 18 Sep 1993 Kral, Robert
83331		 UWAL
Panicum virgatum Linnaeus
TROY000033582 Barbour 27 Aug 2011 Ryan, Lauren
31		 TROY
Panicum virgatum Linnaeus
UWAL0050366 Covington 07 Sep 2012 Hansen, Curtis J.
5734		 UWAL
Panicum virgatum var. virgatum
JSU100254 Lawrence 08 Aug 1996 Whetstone, R. David
18367		 JSU
Panicum virgatum Linnaeus
TROY000027507 Bibb 28 Jun 2003 Spaulding, Daniel D.
11924		 TROY
Panicum virgatum Linnaeus
UWAL0013584 Marengo 24 Jul 2011 England, J. Kevin
3084		 UWAL
Panicum virgatum Linnaeus
JSU100252 Etowah 20 Aug 1994 Hodge, Lesley M.
3106		 JSU
Panicum virgatum Linnaeus
AUA000018212 Pike 28 Aug 1994 Diamond, Alvin R.
9321		 AUA
Panicum Virgatum L.
UNA00062295 Bibb 28 Jun 2003 Spaulding, Daniel D.
11924		 UNA
Panicum virgatum L.
AUA000018205 Lee 1 Nov 1959 Banks, Donald J.
 AUA
Panicum Virgatum L.
JSU100258 Marshall 28 Aug 1992 Spaulding, Daniel D.
2740		 JSU
Panicum virgatum Linnaeus
TROY000012424 Monroe 24 Oct 2000 Kral, Robert
90578		 TROY
Panicum virgatum Linnaeus
AUA000018208 Lee 6 Aug 1970 Morris, Kermit
170		 AUA
Panicum Virgatum L.
TROY000012422 Dale 14 Sep 2000 Pennington, Tiffany
945		 TROY
Panicum virgatum Linnaeus
UWAL0038532 Mobile 15 Aug 1966 Deramus, Rebecca
997		 UWAL
Panicum virgatum Linnaeus
USAM000012268 Mobile 03 Aug 1974 LeLong, Michel G.
8087		 USAM
Panicum virgatum Linnaeus
UNA00005352 Hale 08 Sep 1979 Nieland, David L.
9		 UNA
Panicum virgatum L.
UWAL0030804 Mobile 18 Aug 1987 Kral, Robert
74383		 UWAL
Panicum virgatum L
TROY000012417 Butler 25 Sep 2004 Diamond, Alvin R.
14722		 TROY
Panicum virgatum Linnaeus
UWAL0005867 Monroe 23 Sep 1982 Kral, Robert
69640		 UWAL
Panicum virgatum L.
JSU100262 St. Clair 03 Sep 1982 Whetstone, R. David
12046		 JSU
Panicum virgatum Linnaeus
TROY000045200 Autauga 01 Sep 2016 Parker, Matthew R.
19		 TROY
Panicum virgatum Linnaeus
AUA000018206 Lee 25 Sep 1962 Rogers, Ken E.
 AUA
Panicum Virgatum L.
JSU100251 Etowah 14 Sep 1994 Hodge, Lesley M.
3848		 JSU
Panicum virgatum Linnaeus
ALNHS00000231 Mobile 26 Jul 1998 Spaulding, Daniel D.
10381		 ALNHS
Panicum virgatum L. var. virgatum
AUA000042865 Colbert 22 Aug 2013 Barger, T. Wayne
FH192		 AUA
Panicum Virgatum L. Var. Virgatum
UNA00050600 Cherokee 11 Oct 1986 McDaniel, Sidney
29154		 UNA
Panicum virgatum L.
USAM000012275 Greene 29 Oct 1977 LeLong, Michel G.
10060		 USAM
Panicum virgatum Linnaeus
JSU100247 Clay 30 Jul 1994 Ballard, J. Mark
4245		 JSU
Panicum virgatum Linnaeus
TROY000012423 Monroe 24 Oct 2000 Kral, Robert
90578		 TROY
Panicum virgatum Linnaeus
AUA000018210 Lowndes 3 Oct 1982 Gunn, Scott C.
1381		 AUA
Panicum Virgatum L.
TROY000012420 Covington 13 Nov 1978 Kral, Robert
63112		 TROY
Panicum virgatum Linnaeus
UWAL0039970 Geneva 22 Sep 2016 Byrd, Cameron
202		 UWAL
Panicum virgatum Linnaeus
JSU142759 Calhoun 17 Aug 1986 Lawler, Carol L.
993		 JSU
Panicum virgatum Linnaeus
AUA000018209 Lee 4 Oct 1954 Cunningham, Hugh B.
 AUA
Panicum Virgatum L.
UNA00005380 Mobile _ Aug 1869 Mohr, Charles
s.n.		 UNA
Panicum virgatum L.
USAM000012267 Baldwin 04 Oct 1975 LeLong, Michel G.
8799		 USAM
Panicum virgatum Linnaeus
UWAL0038193 Baldwin 20 Jul 1974 LeLong, Michel G.
8047		 UWAL
Panicum virgatum Linnaeus
UNA00012860 Tuscaloosa _ Sep _ Smith, Eugene A.
s.n.		 UNA
Panicum virgatum L.
USAM000012269 Baldwin 20 Jul 1974 LeLong, Michel G.
8047		 USAM
Panicum virgatum Linnaeus
UWAL0038232 Mobile 03 Aug 1974 LeLong, Michel G.
8087		 UWAL
Panicum virgatum Linnaeus
UNA00005375 Mobile 15 Aug 1966 Deramus, Rebecca
D980		 UNA
Panicum virgatum L.
JSU100248 Cleburne 15 Oct 1996 Hruska, Susan E.
1454		 JSU
Panicum virgatum Linnaeus
ALNHS00004148 Colbert 22 Jul 2016 Barger, T. Wayne
SP#2426		 ALNHS
Panicum virgatum L.
UWAL0009058 Butler 20 Jul 2008 Diamond, Alvin R.
19593		 UWAL
Panicum virgatum L.
UWAL0052893 Bibb 02 Sep 2019 Keener, Brian R.
11558		 UWAL
Panicum vigratum L.
AUA000018196 Baldwin 20 Aug 1996 Tucker, Jr., James W.
 AUA
Panicum Virgatum L.
JSU100249 DeKalb 14 Oct 1975 Whetstone, R. David
6996		 JSU
Panicum virgatum Linnaeus
AUA000018201 Conecuh 22 Dec 1991 Diamond, Alvin R.
7864		 AUA
Panicum Virgatum L.
UWAL0053889 Baldwin 08 Aug 2013 Keener, Brian R.
8134		 UWAL
Panicum virgatum L.
JSU100259 Marshall 07 Aug 1992 Spaulding, Daniel D.
2591		 JSU
Panicum virgatum Linnaeus
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