Lepidium didymum

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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:BRASSICACEAE
Species:Lepidium didymum L.
Common Name:Lesser Swinecress; Wartcress
Habitat:**
Associated Ecological Communities:**
Growth Habit:Herb
Duration:Annual
Category:Vascular
USDA Symbol:**
Plant Notes:Lesser Swinecress is an introduced winter annual or short-lived biennial in the Mustard family (Brassicaceae). It is native to South America. In Alabama it can be found state wide. Lesser Swinecress occurs in lawns, in gardens, in fallow fields, on roadsides, and in other disturbed areas. It is a winter annual with a tap root. Stems are ascending or decumbent, radiating from a central point. Leaves are basal and cauline. The basal leaves are petiolate, 1 or 2 pinnatisect, and glabrous or pilose. The margins of the lobes are entire or toothed. Basal leaves may be withered by flowering time. Stem leaves are short petiolate or sessile, and similar but smaller than the basal leaves. All parts of the plant have a fetid odor when crushed. Flowers are produced in racemes and are inconspicuous. The sepals are ovate and tardily deciduous. Flowers have 4 small elliptic to linear white petals and 2 stamens. The fruit is a deeply notched indehiscent silicle. Each section of the fruit is orbicular in outline and one seeded. The walls of the fruit are thick and strongly veined.—A. Diamond
Taxonomic Notes:**
Status:Not Native
References:**
Specimen: View specimen details in the Alabama Herbarium Consortium Specimen Database

** Not applicable or data not available.

Classification

FamilyBRASSICACEAE - Mustard family
Genus Lepidium
Species Lepidium didymum L. - Lesser Swinecress; Wartcress

Citation

Citation Lepidium didymum Linnaeus, Syst. Nat., ed. 12. 2: 433. 1767.
Basionym: **
Type: Without data (lectotype: LINN 824.16). Lectotypified by Al-Shehbaz, in R. A. Howard, Fl. Less. Antill., Dicot. 1: 283. 1988.

** Not applicable or data not available.

Synonyms

SynonymFull CitationBasionymType
Carara didyma Carara didyma (Linnaeus) Britton, in Britton & A. Brown, Ill. Fl. N. U.S., ed. 2. 2: 167. 1913.BASIONYM: Lepidium didymum Linnaeus 1767. 
Coronopus didymus Coronopus didymus (Linnaeus) Smith, Fl. Brit. 691. 1800.Lepidium didymum Linnaeus 1767. 

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, Bullock, Butler, Calhoun, Cherokee, Clay, Cleburne, Coffee, Colbert, Coosa, Cullman, Dallas, Escambia, Etowah, Greene, Henry, Houston, Jefferson, Lawrence, Lee, Marengo, Marshall, Mobile, Monroe, Montgomery, Morgan, Pike, Tuscaloosa, Walker

Counties represented by specimen data listed below:

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

Range of years during which specimens were collected: 1963 - 1998

Barcode / Accession No. County Coll. Date Collector &
Collection No.		 Herbarium &
Herbarium Name Used		 Image
UWAL0013127 Montgomery 10 Feb 2013 Diamond, Alvin R.
23732		 UWAL
Lepidium didymum Linnaeus
AUA000038223 Morgan 4 Mar 2017 England, J. Kevin
7174		 AUA
Lepidium Didymum L.
TROY000017006 Coffee 02 Mar 2003 Diamond, Alvin R.
13777		 TROY
Coronopus didymus (Linnaeus) Smith
AUA_ACC_56390 Mobile 2 Jun 1972 Kral, Robert
47135		 AUA
Lepidium Didymum L.
TROY000039014 Houston 13 Dec 2013 Diamond, Alvin R.
24702		 TROY
Lepidium didymum Linnaeus
UWAL0035178 Morgan 04 Mar 2017 England, J. Kevin
7174		 UWAL
Lepidium didymum Linnaeus
JSU117069 Coosa 11 May 1999 Kral, Robert
88341		 JSU
Lepidium didymum Linnaeus
UWAL0047603 Baldwin 09 Dec 2015 Barger, T. Wayne
SP#2121		 UWAL
Lepidium didymum L.
AUA_ACC_12586 Clay 15 May 1966 Knowles, Ronald
 AUA
Lepidium Didymum L.
AMAL00020116 Dallas 28 Mar 2011 Barger, T. Wayne
OC-619		 AMAL
Lepidium didymum L.
TROY000017167 Cherokee 27 Mar 2005 Spaulding, Daniel D.
12225		 TROY
Coronopus didymus (Linnaeus) Smith
UWAL0054215 Cleburne 18 Jan 2020 Spaulding, Daniel D.
16736		 UWAL
Lepidium didymum L.
UNA00012302 Tuscaloosa 08 May 1963 Deramus, Rebecca
327		 UNA
Coronopus didymus (L.) Sm.
UWAL0008207 Monroe 04 Mar 2007 Keener, Brian R.
3346		 UWAL
Lepidium didymum L.
JSU117066 Etowah 20 Mar 1994 Hodge, Lesley M.
770		 JSU
Lepidium didymum Linnaeus
TROY000017007 Monroe 04 Mar 2007 Keener, Brian R.
3346		 TROY
Coronopus didymus (Linnaeus) Smith
USAM000003184 Mobile 23 Mar 1976 LeLong, Michel G.
9020		 USAM
Coronopus didymus (L.) Smith
AUA_ACC_44304 Montgomery 14 May 1986 Diamond, Alvin R.
2503		 AUA
Lepidium Didymum L.
TROY000049549 Lawrence 03 Mar 2012 England, J. Kevin
3230		 TROY
Lepidium didymum Linnaeus
AMAL00021483 Baldwin 25 Mar 2014 Spaulding, Daniel D.
13899		 AMAL
Lepidium didymum L.
UWAL0003097 Escambia 06 Mar 2011 Keener, Brian R.
6316		 UWAL
Lepidium didymum L.
UWAL0011757 Tuscaloosa 14 Jun 2011 Keener, Brian R.
6508		 UWAL
Lepidium didymum Linnaeus
AMAL00019999 Mobile 23 Jun 2013 Horne, Howard E.
2282		 AMAL
Lepidium didymum L.
TROY000045052 Autauga 14 Mar 2017 Parker, Matthew R.
453		 TROY
Lepidium didymum Linnaeus
AMAL00006074 Tuscaloosa 06 May 2001 Spaulding, Daniel D.
11044		 AMAL
Lepidium didymum L.
ALNHS00002822 Colbert 22 Apr 2014 Barger, T. Wayne
FH-286		 ALNHS
Lepidium didymum L.
JSU117068 Calhoun 2 May 1966 Berry, Robert
s.n.		 JSU
Lepidium didymum Linnaeus
UWAL0051151 Montgomery 02 Apr 1967 Kral, R.
28204		 UWAL
Ledpidium didymum L.
AUA000030710 Escambia 10 Feb 2010 Hansen, Curtis J.
4590		 AUA
Lepidium Didymum L.
UWAL0039000 Walker 20 Mar 2019 England, J. Kevin
9960		 UWAL
Lepidium didymum Linnaeus
AUA_ACC_2409 Lee 1 May 1952 Sherrer, Jack D.
 AUA
Lepidium Didymum L.
TROY000017005 Barbour 16 Mar 2002 Spaulding, Daniel D.
11096		 TROY
Coronopus didymus (Linnaeus) Smith
AUA_ACC_8105 Lee 6 Mar 1960 Jones, Jr., Samuel B.
 AUA
Lepidium Didymum L.
ALNHS00000749 Mobile 04 Apr 2010 Barger, T. Wayne
SP#252		 ALNHS
Lepidium didymum L.
UNA00065661 Cherokee 27 Mar 2005 Spaulding, Daniel D.
12225		 UNA
Coronopus didymus (L.) Sm.
JSU117070 Marshall 20 May 1974 Whetstone, R. David
2750		 JSU
Lepidium didymum Linnaeus
TROY000037143 Montgomery 10 Feb 2013 Diamond, Alvin R.
23732		 TROY
Lepidium didymum Linnaeus
UNA00012303 Tuscaloosa 08 May 1963 Deramus, Rebecca
327		 UNA
Coronopus didymus (L.) Sm.
UWAL0018392 Baldwin 29 Mar 1986 Kral, Robert
73216		 UWAL
Lepidium didymum L.
JSU117074 Morgan 15 Mar 1999 Spaulding, Daniel D.
10553		 JSU
Lepidium didymum Linnaeus
TROY000033758 Escambia 06 Mar 2011 Keener, Brian R.
6319		 TROY
Coronopus didymus (L.) Sm.
USAM000003182 Mobile 26 May 1979 LeLong, Michel G.
10817		 USAM
Coronopus didymus (L.) Smith
AUA_ACC_35511 Lee 22 Apr 1971 Donavan, Lois A.
179		 AUA
Lepidium Didymum L.
TROY000032175 Marengo 10 Apr 2009 England, J. Kevin
1897		 TROY
Coronopus didymus (Linnaeus) Smith
AMAL00011637 Cherokee 27 Mar 2005 Spaulding, Daniel D.
12225		 AMAL
Lepidium didymum L.
UWAL0003096 Escambia 06 Mar 2011 Keener, Brian R.
6319		 UWAL
Lepidium didymum L.
UWAL0046974 Autauga 14 Mar 2017 Parker, Matthew R.
453		 UWAL
Lepidium didymum Linnaeus
AUA_ACC_2408 Lee 20 May 1949 Cunningham, Hugh B.
 AUA
Lepidium Didymum L.
AUA_ACC_62764 Coffee 2 Mar 2003 Diamond, Alvin R.
13777		 AUA
Lepidium Didymum L.
TROY000017008 Pike 02 Mar 2001 Diamond, Alvin R.
s.n.		 TROY
Coronopus didymus (Linnaeus) Smith
JSU117067 Calhoun 28 Jul 1986 Lawler, Carol L.
805		 JSU
Lepidium didymum Linnaeus
UNA00058843 Coosa 11 May 1999 Kral, Robert
88341		 UNA
Coronopus didymus (L.) Sm.
AUA000043847 Lee 2 Jun 2018 Taylor, Chris T.
CSP-495		 AUA
Lepidium Didymum L.
UWAL0043940 Baldwin 29 Apr 2005 Larsen, Harry S.
1435		 UWAL
Lepidium didymum L.
AUA000039257 Cullman 11 May 1910 Wolf, Wolfgang
 AUA
Lepidium Didymum L.
AUA_ACC_72200 Escambia 6 Mar 2011 Keener, Brian R.
6319		 AUA
Lepidium Didymum L.
TROY000030937 Lee 20 May 1949 Cunningham, Hugh B.
s.n.		 TROY
Coronopus didymus (Linnaeus) Smith
USAM000003183 Mobile 20 Mar 1968 LeLong, Michel G.
4236.2		 USAM
Coronopus didymus (L.) Smith
TROY000046100 Tuscaloosa 14 Jun 2011 Keener, Brian R.
6508		 TROY
Lepidium didymum Linnaeus
JSU117071 Marshall 20 May 1974 Whetstone, R. David
2750		 JSU
Lepidium didymum Linnaeus
TROY000034961 Butler 22 Apr 2012 Diamond, Alvin R.
22963		 TROY
Coronopus didymus (Linnaeus) Smith
USAM000003185 Mobile 10 Apr 1978 LeLong, Michel G.
10129		 USAM
Coronopus didymus (L.) Smith
UNA00027107 Escambia 13 Mar 1988 Haynes, Robert R.
9269		 UNA
Coronopus didymus (L.) Sm.
UWAL0017042 Baldwin 25 Mar 2014 Spaulding, Daniel D.
13899		 UWAL
Lepidium didymum L.
AMAL00006073 Coosa 11 May 1999 Kral, Robert
88341		 AMAL
Lepidium didymum L.
AUA_ACC_4935 Lee 5 Apr 1964 Creel, John
 AUA
Coronopus Didymus (L.) Sm.
AUA_ACC_42603 Lee 29 Jun 1972 Hybart, Michael G.
91		 AUA
Lepidium Didymum L.
TROY000017747 Escambia 29 Mar 1980 Kral, Robert
66784		 TROY
Coronopus didymus (Linnaeus) Smith
AUA_ACC_52406 Pike 28 Mar 1994 Diamond, Alvin R.
9033		 AUA
Lepidium Didymum L.
UWAL0014206 Bullock 01 Jan 2013 Dykes, Bailee
1493		 UWAL
Lepidium didymum Linnaeus
UNA00059104 Barbour 16 Mar 2002 Spaulding, Daniel D.
11096		 UNA
Coronopus didymus (L.) Sm.
UNA00050175 Henry 09 May 1998 MacDonald, John R.
11136		 UNA
Coronopus didymus (L.) Sm.
UNA00012309 Tuscaloosa 08 May 1963 Deramus, Rebecca
327		 UNA
Coronopus didymus (L.) Sm.
UWAL0013531 Pike 13 Dec 2012 Diamond, Alvin R.
23588		 UWAL
Lepidium didymum Linnaeus
SAMF0003455 Jefferson 21 Mar 2011 Davenport, Lawrence J.
4608		 SAMF
Lepidium didymum Linnaeus
TROY000038524 Bullock 01 Jan 2013 Dykes, Bailee
1493		 TROY
Lepidium didymum Linnaeus
AMAL00020567 Tuscaloosa 14 Jun 2011 Keener, Brian R.
6508		 AMAL
Lepidium didymum Linnaeus
UNA00012307 Greene 17 Mar 1967 Thomas, Joab L.
T 927		 UNA
Coronopus didymus (L.) Sm.
AMAL00006071 Barbour 16 Mar 2002 Spaulding, Daniel D.
11096		 AMAL
Lepidium didymum L.
AUA_ACC_66855 Cherokee 27 Mar 2005 Spaulding, Daniel D.
12225		 AUA
Lepidium Didymum L.
UWAL0013206 Lawrence 03 Mar 2012 England, J. Kevin
3230		 UWAL
Lepidium didymum Linnaeus
UWAL0043941 Baldwin 22 May 2007 Larsen, Harry S.
1590		 UWAL
Lepidium didymum L.
UWAL0001618 Marengo 10 Apr 2009 England, J. Kevin
1897		 UWAL
Lepidium didymum L.
UWAL0016112 Houston 13 Dec 2013 Diamond, Alvin R.
24702		 UWAL
Lepidium didymum Linnaeus
TROY000017009 Pike 27 Apr 2008 Diamond, Alvin R.
19073		 TROY
Coronopus didymus (Linnaeus) Smith
UNA00059154 Tuscaloosa 06 May 2001 Spaulding, Daniel D.
11044		 UNA
Coronopus didymus (L.) Sm.
JSU117072 Mobile 2 Jun 1972 Kral, Robert
47135		 JSU
Lepidium didymum Linnaeus
UNA00012301 Mobile _ Apr _ Mohr, Charles
s.n.		 UNA
Coronopus didymus (L.) Sm.
JSU117073 Montgomery 31 Mar 1983 Whetstone, R. David
12932		 JSU
Lepidium didymum Linnaeus
AUA_ACC_12206 Lee 7 Apr 1965 Koelling, Alfred C.
2118		 AUA
Lepidium Didymum L.
AMAL00006072 Coffee 02 Mar 2003 Diamond, Alvin R.
13777		 AMAL
Lepidium didymum L.
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