Silphium dentatum

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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:ASTERACEAE
Species:Silphium dentatum Elliott
Common Name:Toothed Rosinweed
Habitat:**
Associated Ecological Communities:**
Growth Habit:Herb
Duration:Perennial
Category:Vascular
USDA Symbol:**
Plant Notes:**
Taxonomic Notes:**
Status:Native
References:**

** Not applicable or data not available.

Classification

FamilyASTERACEAE - Aster family
Genus Silphium
Species Silphium dentatum Elliott - Toothed Rosinweed

Citation

Citation Silphium dentatum Elliott, Sketch Bot. S. Carolina 2: 468–469. 1823.
Basionym: **
Type: USA: GEORGIA:

** Not applicable or data not available.

Synonyms

SynonymFull CitationBasionymType
Silphium angustum    
Silphium asteriscus var. angustatum    
Silphium asteriscus var. dentata    
Silphium asteriscus var. laevicaule    
Silphium dentatum var. angustatum    
Silphium elliottii    
Silphium nodum    

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, Barbour, Bibb, Blount, Bullock, Butler, Calhoun, Chambers, Cherokee, Clarke, Clay, Cleburne, Coffee, Colbert, Conecuh, Coosa, Crenshaw, Dale, Dallas, Elmore, Escambia, Etowah, Geneva, Henry, Jackson, Jefferson, Lawrence, Lee, Lowndes, Madison, Marengo, Mobile, Monroe, Montgomery, Perry, Pike, Randolph, Russell, Shelby, St. Clair, Sumter, Talladega, Tallapoosa, Tuscaloosa, Wilcox

Counties represented by specimen data listed below:

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

Range of years during which specimens were collected: 1880 - 1997

Barcode / Accession No. County Coll. Date Collector &
Collection No.		 Herbarium &
Herbarium Name Used		 Image
JSU121250 Clay 3 Aug 1992 Ballard, J. Mark
457		 JSU
Silphium dentatum Elliott
AUA000007330 Pike 12 Jun 1988 Diamond, Alvin R.
4982		 AUA
Silphium Asteriscus L. Var. Laevicaule Dc.
AUA000007324 Marengo 19 Jul 1969 Moore, Harold D.
311-69		 AUA
Silphium Asteriscus L. Var. Laevicaule Dc.
AMAL00012496 Elmore 18 Jun 2005 Spaulding, Daniel D.
12284		 AMAL
Silphium dentatum Ell.
AUA000007335 Talladega 22 May 1976 Rutland, David W.
3018		 AUA
Silphium Asteriscus L. Var. Laevicaule Dc.
AUA000007314 Elmore 28 Jul 1975 Rutland, David W.
785		 AUA
Silphium Asteriscus L. Var. Laevicaule Dc.
UWAL0009296 Elmore 18 Jun 2005 Spaulding, Daniel D.
12284		 UWAL
Silphium asteriscus L. var. dentata (Ell.) Chapman
TROY000014698 St. Clair 05 Jul 2006 Keener, Brian R.
2958		 TROY
Silphium asteriscus Linnaeus var. dentatum (Elliott) Chapman
JSU121244 Autauga 14 Jul 1982 Gunn, Scott C.
910		 JSU
Silphium dentatum Elliott
ALNHS00000877 Monroe 24 Aug 2011 Barger, T. Wayne
RH-356		 ALNHS
Silphium asteriscus L. var. dentatum (Ell.) Chapm.
AUA000007301 Conecuh 28 Jun 1985 Diamond, Alvin R.
979		 AUA
Silphium Asteriscus L. Var. Laevicaule Dc.
AUA000007286 Randolph 27 Jun 1986 Nixon, C.F.
2361		 AUA
Silphium Asteriscus L. Var. Laevicaule Dc.
UNA00049360 Lee _ _ 1896 Baker, Charles F.
s.n.		 UNA
Silphium dentatum Ell.
AUA000007316 Henry 17 Jul 1988 Diamond, Alvin R.
5236		 AUA
Silphium Asteriscus L. Var. Angustatum Gray
AUA000007320 Lee 30 May 1963 Rogers, Ken E.
 AUA
Silphium Asteriscus L. Var. Laevicaule Dc.
AUA000007283 Geneva 9 Jul 1990 Diamond, Alvin R.
7024		 AUA
Silphium Asteriscus L. Var. Laevicaule Dc.
AUA000007317 Jefferson 24 May 1977 Sessler, Ann H.
1420		 AUA
Silphium Asteriscus L. Var. Laevicaule Dc.
AMAL00023130 Clay 22 Jun 2016 Keener, Brian R.
9692		 AMAL
Silphium asteriscus Linnaeus var. dentatum (Elliott) Chapman
JSU121247 Bibb 7 Jun 1999 Brodeur, Kristin R.
1973		 JSU
Silphium dentatum Elliott
JSU121254 Cleburne 9 Aug 1992 Ballard, J. Mark
494		 JSU
Silphium dentatum Elliott
AUA000007326 Montgomery 12 Jun 1988 Diamond, Alvin R.
5013		 AUA
Silphium Asteriscus L. Var. Laevicaule Dc.
AUA000007322 Lowndes 20 Aug 1970 Moore, Harold D.
792		 AUA
Silphium Asteriscus L. Var. Laevicaule Dc.
AMAL00015011 Dallas 23 May 2007 Spaulding, Daniel D.
12620		 AMAL
Silphium dentatum Ell.
AUA000007303 Clay 24 Jun 1975 Rutland, David W.
534		 AUA
Silphium Asteriscus L. Var. Laevicaule Dc.
UWAL0009297 Etowah 29 Jun 2008 Keener, Brian R.
4677		 UWAL
Silphium asteriscus L. var. dentata (Ell.) Chapman
JSU121261 Randolph 15 Jul 1988 Nixon, Christopher F.
4040		 JSU
Silphium dentatum Elliott
UWAL0035797 Mobile 11 Jun 2016 Horne, Howard E.
3290		 UWAL
Silphium asteriscus Linnaeus var. dentatum (Elliott) Chapman
TROY000016179 Elmore 18 Jun 2005 Spaulding, Daniel D.
12284		 TROY
Silphium asteriscus Linnaeus var. dentatum (Elliott) Chapman
AUA000007331 Pike 28 Jun 1988 Diamond, Alvin R.
5103		 AUA
Silphium Asteriscus L. Var. Laevicaule Dc.
AUA000007318 Lawrence 5 Aug 1981 O'Halloran, K.
353		 AUA
Silphium Asteriscus L. Var. Laevicaule Dc.
UNA00049361 Lee _ _ 1896 Baker, Charles F.
s.n.		 UNA
Silphium dentatum Ell.
AUA000007287 Russell 7 Jun 2002 Gil, Glenda
(2001-229)		 AUA
Silphium Asteriscus L. Var. Angustatum Gray
UWAL0013799 Bullock 27 Jun 2012 Dykes, Bailee
946		 UWAL
Silphium dentatum Elliott
AUA000007298 Clarke 22 May 1981 Henderson, T.
104		 AUA
Silphium Asteriscus L. Var. Laevicaule Dc.
AUA000007304 Clay 16 May 1970 Shehane, Ronnie
145		 AUA
Silphium Asteriscus L. Var. Laevicaule Dc.
TROY000032903 Conecuh 15 Sep 2011 Diamond, Alvin R.
22529		 TROY
Silphium dentatum Elliott
JSU121253 Cleburne 9 Aug 1992 Ballard, J. Mark
494		 JSU
Silphium dentatum Elliott
AUA000007340 Wilcox 13 Jun 1985 Diamond, Alvin R.
890		 AUA
Silphium Asteriscus L. Var. Laevicaule Dc.
AUA000039014 Jefferson 2 Aug 1920 Wolf, Wolfgang
 AUA
Silphium Asteriscus L. Var. Dentatum (Elliott) Chapm.
AMAL00003369 Pike 19 Jul 2001 Threlkeld, S.J.
1448		 AMAL
Silphium dentatum Ell.
AUA000007300 Clay 24 Jun 1975 Rutland, David W.
661		 AUA
Silphium Asteriscus L. Var. Laevicaule Dc.
UWAL0018564 Perry 07 Jun 1973 Kral, Robert
50417		 UWAL
Silphium asteriscus L. ssp. dentatum
JSU121264 Randolph 20 May 1985 Nixon, Christopher F.
1146		 JSU
Silphium dentatum Elliott
UWAL0039095 Bullock 03 Jun 2017 Horne, Howard E.
3956A		 UWAL
Silphium asteriscus Linnaeus var. dentatum (Elliott) Chapman
UNA00054514 Blount 05 Sep 1998 Keener, Brian R.
1604		 UNA
Silphium asteriscus L. var. laevicaule DC.
AUA000007323 Lowndes 29 Jul 1989 Diamond, Alvin R.
6182		 AUA
Silphium Asteriscus L. Var. Laevicaule Dc.
AUA000041231 Lee 1 Jul 2016 Taylor, Chris T.
CSP331		 AUA
Silphium Asteriscus L. Var. Dentatum (Elliott) Chapm.
UNA00049363 Lee s.d. Baker, Charles F.
s.n.		 UNA
Silphium dentatum Ell.
AUA000007288 Russell 7 Jun 2002 Gil, Glenda
(2001-229)		 AUA
Silphium Asteriscus L. Var. Angustatum Gray
UWAL0009295 Elmore 18 Jun 2005 Spaulding, Daniel D.
12284		 UWAL
Silphium asteriscus L. var. dentata (Ell.) Chapman
SAMF0005692 Lee 21 Jun 1980 Davenport, Lawrence J.
1973		 SAMF
Silphium dentatum Elliott
AUA000007299 Clarke 22 May 1981 Henderson, T.
104		 AUA
Silphium Asteriscus L. Var. Laevicaule Dc.
UWAL0011116 Lowndes 12 Aug 2012 Diamond, Alvin R.
23227		 UWAL
Silphium dentatum Elliott
AUA000007328 Lee 22 Jul 1967 Dent, D.M.
 AUA
Silphium Asteriscus L. Var. Laevicaule Dc.
AUA000007319 Lee 1 Aug 1969 Moore, Harold D.
349-69		 AUA
Silphium Asteriscus L. Var. Laevicaule Dc.
AMAL00015206 Autauga 15 Oct 1978 Kral, Robert
63063		 AMAL
Silphium dentatum Ell.
UNA00049362 Lee 23 Jun 1972 Street, J.J.
30		 UNA
Silphium asteriscus L. var. angustatum Gray
JSU121258 Randolph 14 Aug 1986 Nixon, Christopher F.
2614a		 JSU
Silphium dentatum Elliott
AUA000007311 Elmore 28 Jul 1975 Rutland, David W.
746		 AUA
Silphium Asteriscus L. Var. Laevicaule Dc.
UNA00049358 Autauga 14 Jun 1982 Gunn, Scott C.
697		 UNA
Silphium dentatum Ell. var. dentatum
JSU121263 Randolph 27 Jun 1986 Nixon, Christopher F.
2361		 JSU
Silphium dentatum Elliott
UWAL0037532 Bullock 08 Jul 2016 Soehren, Eric C.
360		 UWAL
Silphium asteriscus L. var dentatum (Elliott) Chapm.
JSU146045 Cleburne 31 May 1993 Hutchinson, Francine
1564B		 JSU
Silphium dentatum Elliott
AUA000025151 Escambia 19 Jun 2008 Hansen, Curtis J.
3309		 AUA
Silphium Asteriscus L. Var. Angustatum A. Gray
UWAL0008077 Conecuh 15 Sep 2011 Diamond, Alvin R.
22529		 UWAL
Silphium dentatum Elliott
JSU121252 Clay 14 Jun 1993 Ballard, J. Mark
2805		 JSU
Silphium dentatum Elliott
AUA000007338 Wilcox 16 Jul 1982 Gunn, Scott C.
961		 AUA
Silphium Asteriscus L. Var. Laevicaule Dc.
AUA000039705 Colbert 22 Aug 2013 Barger, T. Wayne
FH99		 AUA
Silphium Asteriscus L. Var. Dentatum (Elliott) Chapm.
AUA000007292 Bibb 11 Aug 1977 Sessler, Ann H.
1814		 AUA
Silphium Asteriscus L. Var. Laevicaule Dc.
AMAL00021150 Colbert 22 Aug 2013 Barger, T. Wayne
FH-99		 AMAL
Silphium dentatum Ell.
JSU121266 Randolph 16 Jul 1969 Herren, Tommy
s.n.		 JSU
Silphium dentatum Elliott
JSU121246 Bibb 7 Jun 1999 Brodeur, Kristin R.
1973		 JSU
Silphium dentatum Elliott
UNA00056144 Coffee 28 Aug 1998 MacDonald, John R.
11940		 UNA
Silphium asteriscus L. var. laevicaule DC.
AUA_ACC_27820 Elmore 28 Jul 1975 Rutland, David W.
759		 AUA
Silphium Asteriscus L. Var. Laevicaule Dc.
AUA000007297 Chambers 11 Jul 1969 Ellis, H.C.
031		 AUA
Silphium Asteriscus L. Var. Laevicaule Dc.
AUA000007302 Conecuh 10 May 1985 Diamond, Alvin R.
587		 AUA
Silphium Asteriscus L. Var. Laevicaule Dc.
AUA000007307 Dallas 18 Jul 1969 Moore, Harold D.
326-69		 AUA
Silphium Asteriscus L. Var. Laevicaule Dc.
AMAL00012491 Elmore 18 Jun 2005 Spaulding, Daniel D.
12284		 AMAL
Silphium dentatum Ell.
AUA000007334 Talladega 22 May 1976 Rutland, David W.
2993		 AUA
Silphium Asteriscus L. Var. Laevicaule Dc.
AUA000007308 Elmore 28 Jul 1975 Rutland, David W.
772		 AUA
Silphium Asteriscus L. Var. Laevicaule Dc.
UNA00049356 Monroe 21 Jul 1885 Mohr, Charles
s.n.		 UNA
Silphium asteriscus L. var. laevicaule DC.
JSU121265 Randolph 29 May 1985 Nixon, Christopher F.
1146		 JSU
Silphium dentatum Elliott
TROY000016182 Sumter 30 Jul 1980 Dalrymple, Larry
22		 TROY
Silphium asteriscus Linnaeus var. laevicaule DC.
SAMF0006511 Coosa 22 Jun 1980 Davenport, Lawrence J.
2008		 SAMF
Silphium dentatum Elliott
ALNHS00002340 Colbert 22 Aug 2013 Barger, T. Wayne
FH-99		 ALNHS
Silphium asteriscus L. var. dentatum (Ell.) Chapman
AUA000007296 Butler 28 Jun 1985 Diamond, Alvin R.
947		 AUA
Silphium Asteriscus L. Var. Angustatum Gray
AUA000007294 Bullock 31 Jul 1970 Moore, Harold D.
581		 AUA
Silphium Asteriscus L. Var. Laevicaule Dc.
TROY000049968 Lee 23 Aug 1996 Miller, James H.
s.n.		 TROY
Silphium dentatum Elliott
JSU121268 Talladega 20 Jun 1981 Whetstone, R. David
10785		 JSU
Silphium dentatum Elliott
AUA000007395 Montgomery 3 Jul 1967 Rankin, H.Taylor
 AUA
Silphium Asteriscus L. Var. Angustatum Gray
AUA000040256 Jackson 26 Oct 2009 Barger, T. Wayne
HC414		 AUA
Silphium Asteriscus L. Var. Dentatum (Elliott) Chapm.
AUA000007332 Shelby 22 Jun 1976 Sessler, Ann H.
100		 AUA
Silphium Asteriscus L. Var. Laevicaule Dc.
JSU121269 Talladega 23 May 1972 Whetstone, R. David
RDW 25		 JSU
Silphium dentatum Elliott
AUA000007291 Barbour 17 Jul 1971 Mckitrick, S.R.L.
089		 AUA
Silphium Asteriscus L. Var. Laevicaule Dc.
AMAL00003379 Dale 14 May 1999 Kral, Robert
88466		 AMAL
Silphium dentatum Elliott
TROY000048390 Autauga 17 Aug 2017 Parker, Matthew R.
1087		 TROY
Silphium dentatum Elliott
JSU121256 Randolph 1 Jul 1986 Nixon, Christopher F.
2538		 JSU
Silphium dentatum Elliott
AUA000007309 Elmore 28 Jul 1975 Rutland, David W.
731		 AUA
Silphium Asteriscus L. Var. Laevicaule Dc.
UNA00049357 Wilcox 16 Jul 1982 Gunn, Scott C.
961		 UNA
Silphium dentatum Ell.
JSU121255 Randolph 26 Jun 1986 Nixon, Christopher F.
2275		 JSU
Silphium dentatum Elliott
UWAL0047064 Autauga 24 Aug 2017 Parker, Matthew R.
1113		 UWAL
Silphium dentatum Elliott
AUA000007295 Bullock 31 Jul 1988 Diamond, Alvin R.
5337		 AUA
Silphium Asteriscus L. Var. Laevicaule Dc.
UWAL0015092 Bullock 07 Jun 2012 Dykes, Bailee
858		 UWAL
Silphium dentatum Elliott
UNA00049335 Randolph _ Jul 1986 Nixon, Christopher F.
2538		 UNA
Silphium asteriscus L. var. laevicaule DC.
JSU121251 Clay 14 Jun 1993 Ballard, J. Mark
2805		 JSU
Silphium dentatum Elliott
AUA000007289 Autauga 15 Jun 1982 Gunn, Scott C.
728		 AUA
Silphium Asteriscus L. Var. Laevicaule Dc.
UNA00049344 Autauga 09 Jul 1987 Haynes, Robert R.
9229		 UNA
Silphium asteriscus L. var. angustatum Gray
JSU121245 Bibb 31 Jul 1998 Whetstone, R. David
19602		 JSU
Silphium dentatum Elliott
AUA000007285 Escambia 15 Jun 1999 Searcy, Darryl
 AUA
Silphium Asteriscus L. Var. Angustatum Gray
UWAL0039111 Bullock 02 Jun 2017 Horne, Howard E.
3939		 UWAL
Silphium asteriscus Linnaeus var. dentatum (Elliott) Chapman
TROY000044791 Marengo 12 Jul 2012 England, J. Kevin
3673		 TROY
Silphium dentatum Elliott
AUA000007315 Geneva 1 Jul 1993 Diamond, Alvin R.
8702		 AUA
Silphium Asteriscus L. Var. Laevicaule Dc.
AUA000007306 Crenshaw 17 Aug 1970 Moore, Harold D.
613		 AUA
Silphium Asteriscus L. Var. Laevicaule Dc.
AMAL00007606 Russell 19 Jun 1978 Kral, Robert
62064b		 AMAL
Silphium dentatum Ell.
JSU121259 Randolph 14 Aug 1986 Nixon, Christopher F.
2614a		 JSU
Silphium dentatum Elliott
AUA000007310 Elmore 28 Jul 1975 Rutland, David W.
759		 AUA
Silphium Asteriscus L. Var. Laevicaule Dc.
UNA00049359 Montgomery 10 Jul 1880 Mohr, Charles
s.n.		 UNA
Silphium dentatum Ell.
JSU121262 Randolph 27 Jun 1986 Nixon, Christopher F.
2361		 JSU
Silphium dentatum Elliott
UNA00074103 Coosa 21 Jun 1978 Boyd, Bonnie
HF4		 UNA
Silphium dentatum Ell.
UNA00049341 Chambers 12 Jun 1979 Davenport, Lawrence J.
1121		 UNA
Silphium asteriscus L. var. angustatum Gray
JSU121270 Tallapoosa 25 Jun 1978 Kral, Robert
62147		 JSU
Silphium dentatum Elliott
AUA000007281 Dale 30 Jul 1970 Moore, Harold D.
534		 AUA
Silphium Asteriscus L. Var. Laevicaule Dc
TROY000038052 Bullock 07 Jun 2012 Dykes, Bailee
858		 TROY
Silphium dentatum Elliott
JSU121260 Randolph 17 Jul 1996 Ballard, J. Mark
6229		 JSU
Silphium dentatum Elliott
AUA000007339 Wilcox 17 Jul 1982 Gunn, Scott C.
981		 AUA
Silphium Asteriscus L. Var. Laevicaule Dc.
AUA000039708 Colbert 22 Aug 2013 Barger, T. Wayne
FH99		 AUA
Silphium Asteriscus L. Var. Dentatum (Elliott) Chapm.
AUA000007293 Bibb 12 May 1977 Sessler, Ann H.
1337		 AUA
Silphium Asteriscus L. Var. Laevicaule Dc.
AMAL00017746 Cherokee 22 May 2007 Barger, T. Wayne
IM-64		 AMAL
Silphium dentatum Ell.
AMAL00020258 Dallas 24 May 2010 Barger, T. Wayne
OC-194		 AMAL
Silphium asteriscus L. var. dentatum (Ell.) Chapman
JSU121249 Clay 7 Jul 1999 Brodeur, Kristin R.
2052		 JSU
Silphium dentatum Elliott
UNA00049342 Montgomery 23 Jul 1969 Thomas, Joab L.
2309		 UNA
Silphium asteriscus L. var. laevicaule DC.
AMAL00011472 Tallapoosa 21 Jul 2006 Barger, T. Wayne
325		 AMAL
Silphium dentatum Ell.
UWAL0053912 Madison 02 Jul 2013 Keener, Brian R.
8018		 UWAL
Silphium dentatum Elliott
AUA000007402 Barbour 20 Nov 1980 Jacobs, Robert
139		 AUA
Silphium Asteriscus L. Var. Laevicaule Dc.
UWAL0034036 Clay 22 Jun 2016 Keener, Brian R.
9692		 UWAL
Silphium asteriscus Linnaeus var. dentatum (Elliott) Chapman
SAMF0006589 Clay 22 Jun 2016 Davenport, Lawrence J.
6408		 SAMF
Silphium dentatum Elliott
UWAL0039096 Bullock 03 Jun 2017 Horne, Howard E.
3956B		 UWAL
Silphium asteriscus Linnaeus var. dentatum (Elliott) Chapman
JSU121267 Talladega 23 May 1972 Whetstone, R. David
RDW 24		 JSU
Silphium dentatum Elliott
AUA000007333 Sumter 30 Jul 1980 Freeman, John D.
22		 AUA
Silphium Asteriscus L. Var. Laevicaule Dc.
UWAL0013501 Marengo 12 Jul 2012 England, J. Kevin
3673		 UWAL
Silphium dentatum Elliott
TROY000036708 Bullock 27 Jun 2012 Dykes, Bailee
946		 TROY
Silphium dentatum Elliott
JSU121271 Tuscaloosa 5 Jul 1952 Chermock, Ralph L.
s.n.		 JSU
Silphium dentatum Elliott
AUA000007313 Elmore 28 Jul 1975 Rutland, David W.
711		 AUA
Silphium Asteriscus L. Var. Laevicaule Dc.
TROY000035167 Lowndes 12 Aug 2012 Diamond, Alvin R.
23227		 TROY
Silphium dentatum Elliott
JSU121257 Randolph 26 Jun 1986 Nixon, Christopher F.
2275		 JSU
Silphium dentatum Elliott
UWAL0035642 Mobile 06 Jun 2014 Horne, Howard E.
2567		 UWAL
Silphium asteriscus Linnaeus var. dentatum (Elliott) Chapman
AUA000007279 Coffee 3 Jul 1990 Diamond, Alvin R.
7002		 AUA
Silphium Asteriscus L. Var. Laevicaule Dc.
AUA000007321 Lee 1 Jul 1969 Thornhill, Randy
067		 AUA
Silphium Asteriscus L. Var. Laevicaule Dc.
UNA00021986 Montgomery 22 Jun 1974 Kral, Robert
53347		 UNA
Silphium dentatum Ell.
AUA000007290 Autauga 14 Jun 1982 Gunn, Scott C.
697		 AUA
Silphium Asteriscus L. Var. Laevicaule Dc.
UNA00049339 Calhoun 25 Jul 1979 Haynes, Robert R.
7498		 UNA
Silphium asteriscus L. var. laevicaule DC.
JSU121248 Calhoun 29 May 1972 Whetstone, R. David
RDW 27		 JSU
Silphium dentatum Elliott
AUA000007312 Etowah 26 Jul 1970 Hopson, George R.
.00126		 AUA
Silphium Asteriscus L. Var. Laevicaule Dc.
TROY000047687 Autauga 24 Aug 2017 Parker, Matthew R.
1113		 TROY
Silphium dentatum Elliott
UNA00049338 Barbour 14 Jun 1997 MacDonald, John R.
10677		 UNA
Silphium asteriscus L. var. angustatum Gray
AUA000007337 Tallapoosa 5 Aug 1974 Hutto, T.A.
455		 AUA
Silphium Asteriscus L. Var. Laevicaule Dc.
UWAL0013502 Marengo 12 Jul 2012 England, J. Kevin
3673		 UWAL
Silphium dentatum Elliott
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