Silphium laciniatum

Family:ASTERACEAE
Species:Silphium laciniatum L.
Common Name:Compass Plant; Pilot Weed
Habitat:Prairies and limestone glades and outcrops.
Associated Ecological Communities:**
Growth Habit:Herb
Duration:Perennial
Category:Vascular
USDA Symbol:**
Plant Notes:**
Taxonomic Notes:**
Status:Native
References:**
Specimen: View specimen details in the Alabama Herbarium Consortium Specimen Database

** Not applicable or data not available.

Classification

FamilyASTERACEAE - Aster family
Genus Silphium
Species Silphium laciniatum L. - Compass Plant; Pilot Weed

Citation

Citation Silphium laciniatum Linnaeus, Sp. Pl. 2: 919-920. 1753.
Basionym: **
Type: Without data, (lectotype: LINN 1032.2). Lectotypified by Reveal in Jarvis & Turland (ed.), Taxon 47 : 367. 1998.

** Not applicable or data not available.

Synonyms

SynonymFull CitationBasionymType
Silphium laciniatum var. robinsonii Silphium laciniatum var. robinsonii L.M. Perry, Rhodora 39: 297. 1937. KENTUCKY: barrens, 1835, C.W. Short s.n. (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: Bibb, Bullock, Clay, Colbert, Coosa, Dallas, Greene, Hale, Lawrence, Lowndes, Marengo, Montgomery, Pickens, Shelby, Sumter, 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: 1966 - 1993

Barcode / Accession No. County Coll. Date Collector &
Collection No.
Herbarium &
Herbarium Name Used
Image
ALNHS00007229 Hale 26 Aug 2021 Barger, T. Wayne
SP#5640
ALNHS
Silphium laciniatum L.
AUA000007388 Wilcox 6 Aug 2004 Diamond, Alvin R.
14566
AUA
Silphium Laciniatum L.
JSU121604 Bibb 22 Jul 1982 Whetstone, R. David
11746
JSU
Silphium laciniatum Linnaeus var. robinsonii Perry
AMAL00008918 Sumter 30 Jul 1980 Freeman, John D.
21
AMAL
Silphium laciniatum L. var. robinsonii Perry
UNA00062905 Wilcox 06 Aug 2004 Diamond, Alvin R.
14566
UNA
Silphium laciniatum L. var. robinsonii Perry
UNA00012744 Montgomery s.d. Mohr, Charles
s.n.
UNA
Silphium laciniatum L.
AUA000007382 Bibb 28 Jul 1972 Kral, Robert
47851
AUA
Silphium Laciniatum L.
AUA000007387 Sumter 30 Jul 1980 Freeman, John D.
21
AUA
Silphium Laciniatum L.
TROY000016199 Sumter 30 Jul 1980 Dalrymple, Larry
21
TROY
Silphium laciniatum Linnaeus
UWAL0030128 Coosa 27 Jul 2015 England, J. Kevin
5542
UWAL
Silphium laciniatum Linnaeus
AMAL00008506 Sumter 24 Aug 2003 Spaulding, Daniel D.
12039
AMAL
Silphium laciniatum L. var. robinsonii Perry
ALNHS00003287 Greene 14 Jul 2015 Barger, T. Wayne
SP#1788
ALNHS
Silphium laciniatum L. var. robinsonii Perry
TROY000016196 Pickens 30 Jun 2007 Keener, Brian R.
3739
TROY
Silphium laciniatum Linnaeus var. robinsonii Perry
UWAL0009318 Sumter 25 Jun 1998 White, James E.
B-162
UWAL
Silphium laciniatum L.
UWAL0052926 Bibb 07 Jul 2019 Keener, Brian R.
11419
UWAL
Silphium laciniatum L.
UWAL0030305 Dallas 24 Jul 2015 Keener, Brian R.
9037
UWAL
Silphium laciniatum L.
UNA00069227 Marengo 08 Aug 2008 England, J. Kevin
877
UNA
Silphium laciniatum L.
JSU121603 Bibb 22 Jul 1982 Whetstone, R. David
11694
JSU
Silphium laciniatum Linnaeus var. robinsonii Perry
AMAL00021409 Marengo 08 Aug 2008 England, Kevin J.
877
AMAL
Silphium laciniatum L.
AMAL00003389 Coosa 25 Jul 2002 Threlkeld, S.J.
1551
AMAL
Silphium laciniatum L. var. robinsonii Perry
TROY000016197 Sumter 24 Aug 2003 Spaulding, Daniel D.
12039
TROY
Silphium laciniatum Linnaeus var. robinsonii Perry
UNA00064995 Sumter 20 Jul 2006 Keener, Brian R.
3002
UNA
Silphium laciniatum L.
TROY000032382 Montgomery 14 Oct 2010 Diamond, Alvin R.
21647
TROY
Silphium laciniatum Linnaeus
JSU121606 Clay 6 Jul 1996 Ballard, J. Mark
6206
JSU
Silphium laciniatum Linnaeus var. robinsonii Perry
TROY000032862 Montgomery 03 Jul 2011 Diamond, Alvin R.
22318
TROY
Silphium laciniatum Linnaeus
TROY000002794 Wilcox 06 Aug 2004 Diamond, Alvin R.
14566
TROY
Silphium laciniatum Linnaeus
AUA000007385 Lowndes 9 Jul 2003 Diamond, Alvin R.
14018
AUA
Silphium Laciniatum L. Var. Robinsonii Perry
UWAL0016651 Bibb 17 Aug 2014 Diamond, Alvin R.
25150
UWAL
Silphium laciniatum Linnaeus var. robinsonii Perry
AMAL00012984 Sumter 20 Jul 2006 Keener, Brian R.
3002
AMAL
Silphium laciniatum L. var. robinsonii Perry
UNA00049369 Marengo 28 Jun 1970 Kral, Robert
39829
UNA
Silphium laciniatum L. var. robinsonii Perry
AUA000007384 Lowndes 29 Jul 1989 Diamond, Alvin R.
6183
AUA
Silphium Laciniatum L.
TROY000016195 Bibb 14 Aug 2000 Kral, Robert
90111
TROY
Silphium laciniatum Linnaeus
UWAL0015093 Bullock 19 Jun 2012 Dykes, Bailee
876
UWAL
Silphium laciniatum Linnaeus
TROY000041604 Bibb 17 Aug 2014 Diamond, Alvin R.
25450
TROY
Silphium laciniatum Linnaeus var. robinsonii Perry
UWAL0009314 Pickens 30 Jun 2007 Keener, Brian R.
3739
UWAL
Silphium laciniatum L. var. robinsonii Perry
UWAL0009902 Hale 03 Aug 2008 Spaulding, Daniel D.
13147
UWAL
Silphium laciniatum L. var. robinsonii Perry
AMAL00015777 Pickens 30 Jun 2007 Keener, Brian R.
3739
AMAL
Silphium laciniatum L. var. robinsonii Perry
UNA00049370 Marengo 28 Jun 1970 Kral, Robert
39829
UNA
Silphium laciniatum L. var. robinsonii Perry
UNA00049372 Hale 05 Aug 1966 Maginness, Sherrie E.
366
UNA
Silphium laciniatum L. var. robinsonii Perry
SAMF0005691 Coosa 22 Jul 2011 Davenport, Lawrence J.
4720
SAMF
Silphium laciniatum Linnaeus
UWAL0009315 Sumter 20 Jul 2006 Keener, Brian R.
3002
UWAL
Silphium laciniatum L.
UWAL0009313 Marengo 08 Aug 2008 England, J. Kevin
877
UWAL
Silphium laciniatum L.
TROY000037120 Bullock 19 Jun 2012 Dykes, Bailee
876
TROY
Silphium laciniatum Linnaeus
AMAL00021147 Dallas 11 Sep 2013 Barger, T. Wayne
1197
AMAL
Silphium laciniatum L.
AMAL00003387 Coosa 25 Jul 2002 Threlkeld, S.J.
1551
AMAL
Silphium laciniatum L. var. robinsonii Perry
TROY000039719 Lawrence 05 Oct 2011 England, J. Kevin
3206
TROY
Silphium laciniatum Linnaeus var. robinsonii Perry
UWAL0009316 Sumter 25 Jun 1998 White, James E.
B-163
UWAL
Silphium laciniatum L.
AUA000007383 Bullock 23 Aug 1991 Diamond, Alvin R.
7701
AUA
Silphium Laciniatum L.
UWAL0052927 Bibb 07 Jul 2019 Keener, Brian R.
11419
UWAL
Silphium laciniatum L.
UNA00067087 Pickens 30 Jun 2007 Keener, Brian R.
3739
UNA
Silphium laciniatum L. var. robinsonii Perry
TROY000044556 Hale 03 Aug 2008 Spaulding, Daniel D.
13147
TROY
Silphium laciniatum Linnaeus var. robinsonii Perry
UNA00057754 Bibb 13 Jun 1992 Allison, James R.
6714
UNA
Silphium laciniatum L.
UWAL0030127 Coosa 27 Jul 2015 England, J. Kevin
5542
UWAL
Silphium laciniatum Linnaeus
AMAL00009077 Hale 03 Aug 2008 Spaulding, Daniel D.
13147
AMAL
Silphium laciniatum L. var. robinsonii Perry
UNA00012745 Shelby _ Aug 1890 Smith, Eugene A.
s.n.
UNA
Silphium laciniatum L. var. robinsonii Perry
UNA00063053 Sumter 24 Aug 2003 Spaulding, Daniel D.
12039
UNA
Silphium laciniatum L. var. robinsonii Perry
AUA000007386 Montgomery 15 Jul 1967 Teem, David H.
62
AUA
Silphium Laciniatum L.
UWAL0009317 Sumter 13 May 1998 White, James E.
B-126
UWAL
Silphium laciniatum L.
UWAL0009311 Bibb 25 Jun 2008 Keener, Brian R.
4657
UWAL
Silphium laciniatum L. var. robinsonii Perry
UWAL0009312 Bibb 25 Jun 2008 Keener, Brian R.
4657
UWAL
Silphium laciniatum L. var. robinsonii Perry
TROY000016198 Sumter 20 Jul 2006 Keener, Brian R.
3002
TROY
Silphium laciniatum Linnaeus
AMAL00009106 Wilcox 06 Aug 2004 Diamond, Alvin R.
14566
AMAL
Silphium laciniatum L. var. robinsonii Perry
AMAL00003388 Coosa 25 Jul 2002 Threlkeld, S.J.
1551
AMAL
Silphium laciniatum L. var. robinsonii Perry
TROY000014669 Marengo 08 Aug 2008 England, J. Kevin
877
TROY
Silphium laciniatum Linnaeus
UNA00022813 Greene 21 Aug 1993 Haynes, Chris G.
s.n.
UNA
Silphium laciniatum L. var. robinsonii Perry
UNA00049371 Greene 09 Sep 1967 Thomas, Joab L.
1159
UNA
Silphium laciniatum L. var. robinsonii Perry
TROY000002793 Lowndes 09 Jul 2003 Diamond, Alvin R.
14018
TROY
Silphium laciniatum Linnaeus var. robinsonii Perry
JSU121605 Clay 6 Jul 1996 Ballard, J. Mark
6206
JSU
Silphium laciniatum Linnaeus var. robinsonii Perry
ALNHS00002282 Colbert 22 Aug 2013 Barger, T. Wayne
FH-54
ALNHS
Silphium laciniatum L. var. robinsonii Perry
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