Asclepias verticillata

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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:APOCYNACEAE
Species:Asclepias verticillata L.
Common Name:Eastern Whorled Milkweed
Habitat:Sandhills, prairies, rock outcrops, and roadside banks.
Associated Ecological Communities:**
Growth Habit:Herb
Duration:Perennial
Category:Vascular
USDA Symbol:ASVE
Plant Notes:Eastern Whorled Milkweed is a native herbaceous perennial in the Dogbane family (Apocynaceae). It can be found throughout Alabama. Eastern Whorled Milkweed occurs on sand hills, in prairies, on chalk outcrops, in cedar glades, and in dry, open woods. It is a perennial with a fibrous root system. Plants are often colonial with short, thin rhizomes. The stems are usually unbranched, 1-3 feet tall, pubescent in lines, and green or reddish brown in color. The leaves are sessile or short petiolate, whorled, 4-6 in number per node, linear, often revolute, and pubescent or glabrate (becoming glabrous with age). All parts of the plant exude a milky sap when damaged. The flowers are produced in umbels from the upper leaf axils. Each umbel has 7-20 pedicellate flowers. Individual flowers have 5 small, green sepals that are hidden by the reflexed petals when the flower is open. There are 5 strongly reflex greenish-white petals, and 5 hoods. The hoods have prominent horns that are strongly bent over the center of the flower. The hoods and horns are white in color. The fruit is a follicle. The seed are flat, oval, and brown in color. Each seed has a tuff of white hairs that aid in wind dispersal. Eastern Whorled Milkweed is sometimes available from wildflower nurseries or as seed. It prefers a well-draining soil in full or partial sun. It is tolerant of poor soils and drought once established. The foliage of Eastern Whorled Milkweed is a larval food source for Monarch butterflies.--A. Diamond
Taxonomic Notes:**
Status:Native
References:**
Specimen: View specimen details in the Alabama Herbarium Consortium Specimen Database

** Not applicable or data not available.

Classification

FamilyAPOCYNACEAE - Dogbane family
Genus Asclepias
Species Asclepias verticillata L. - Eastern Whorled Milkweed

Citation

Citation Asclepias verticillata Linnaeus, Sp. Pl. 1: 217. 1753.
Basionym: **
Type: VIRGINIA: Without data (lectotype: LINN 310.38). Lectotypified by Woodson, Ann. Missouri Bot. Gard. 41: 68. 1954.

** Not applicable or data not available.

Synonyms

No synonyms exist for this species.

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, Clarke, Clay, Cleburne, Colbert, Coosa, Covington, Crenshaw, Cullman, Dale, Dallas, DeKalb, Etowah, Franklin, Geneva, Hale, Henry, Jackson, Jefferson, Lawrence, Lee, Macon, Madison, Marengo, Marion, Marshall, Mobile, Montgomery, Morgan, Pike, Randolph, Shelby, St. Clair, Sumter, Talladega, Tuscaloosa, Wilcox, Winston

Counties represented by specimen data listed below:

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

Range of years during which specimens were collected: 1880 - 2020

Barcode / Accession No. County Coll. Date Collector &
Collection No.		 Herbarium &
Herbarium Name Used		 Image
JSU120619 Calhoun 25 Jul 1982 Landers, Kenneth E.
s.n.		 JSU
Asclepias verticillata Linnaeus
UNA00038509 Autauga 16 Jul 1880 Mohr, Charles
s.n.		 UNA
Asclepias verticillata L.
JSU120621 Clay 19 Aug 1980 Whetstone, R. David
10202		 JSU
Asclepias verticillata Linnaeus
UNA00038505 Franklin 26 Jun 1970 Kral, Robert
59728		 UNA
Asclepias verticillata L.
JSU120623 Cleburne 8 Aug 1983 Bussey, Melanie G.
810		 JSU
Asclepias verticillata Linnaeus
AUA000038688 Jefferson 2 Aug 1920 Wolf, Wolfgang
1689		 AUA
Asclepias Verticillata L.
TROY000040691 Montgomery 24 Jul 2014 Diamond, Alvin R.
25374		 TROY
Asclepias verticillata Linnaeus
AUA000030449 Cleburne 4 Aug 2005 Hansen, Curtis J.
1986		 AUA
Asclepias Verticillata L.
UNA00050225 DeKalb 12 Sep 1986 Whetstone, R. David
15686		 UNA
Asclepias verticillata L.
BRIT73736 Colbert 06 Jun 1981 Webb, David H.
3974		 BRIT
Asclepias verticillata L.
JSU120620 Clay 2 Aug 1992 Ballard, J. Mark
423		 JSU
Asclepias verticillata Linnaeus
UWAL0000396 St. Clair 07 Sep 2008 Keener, Brian R.
4822		 UWAL
Asclepias verticillata L.
AUA000030440 Autauga 14 Jun 1982 Gunn, Scott C.
712		 AUA
Asclepias Verticillata L.
UNA00054574 Blount 07 Aug 1998 Keener, Brian R.
1427		 UNA
Asclepias verticillata L.
BRIT73735 Cherokee 21 Jul 1968 Kral, Robert
32745		 BRIT
Asclepias verticillata L.
JSU120630 Jackson 5 Aug 1994 Whetstone, R. David
s.n.		 JSU
Asclepias verticillata Linnaeus
UNA00038507 Colbert 12 Aug 1953 Harper, Roland M.
4259		 UNA
Asclepias verticillata L.
BRIT73742 Barbour 29 Jun 1970 Kral, Robert
39881		 BRIT
Asclepias verticillata L.
AUA000030444 Bullock 31 Jul 1970 Moore, Harold D.
579		 AUA
Asclepias Verticillata L.
UNA00038511 Cullman 20 Jul 1895 Mohr, Charles
s.n.		 UNA
Asclepias verticillata L.
USAM000001622 Franklin 26 Jun 1970 Kral, Robert
39728		 USAM
Asclepias verticillata Linnaeus
JSU120624 Colbert 21 Jul 1996 Whetstone, R. David
18274		 JSU
Asclepias verticillata Linnaeus
ALNHS00003294 Sumter 15 Jul 2015 Barger, T. Wayne
SP#1810		 ALNHS
Asclepias verticillata L.
JSU120634 Macon 30 Jun 1973 Crance, G.H.
35		 JSU
Asclepias verticillata Linnaeus
UWAL0012092 Dallas 15 Jun 2012 Keener, Brian R.
7312		 UWAL
Asclepias verticillata Linnaeus
BRIT73738 Autauga 14 Jul 1982 Gunn, Scott C.
933		 BRIT
Asclepias verticillata L.
JSU120635 Marshall 23 Jul 1994 Spaulding, Daniel D.
6750		 JSU
Asclepias verticillata Linnaeus
UWAL0015719 Winston 07 Aug 2008 England, J. Kevin
676		 UWAL
Asclepias verticillata Linnaeus
UNA00063022 Lawrence 10 Aug 2003 Spaulding, Daniel D.
12023		 UNA
Asclepias verticillata L.
JSU144408 Calhoun 02 Jun 1993 Hutchinson, Francine
1697		 JSU
Asclepias verticillata Linnaeus
UWAL0049264 Bullock 02 Jun 2017 Horne, Howard E.
3924		 UWAL
Asclepias verticillata Linnaeus
AUA000030454 Lee 7 Jul 1963 Rogers, Ken
 AUA
Asclepias Verticillata L.
UNA00038508 Clay 31 Jul 1896 Mohr, Charles
s.n.		 UNA
Asclepias verticillata L.
AMAL00005881 Madison 01 Aug 1996 Threlkeld, Steven J.
795		 AMAL
Asclepias verticillata L.
TROY000037303 Bibb 27 May 2012 Keener, Brian R.
7288		 TROY
Asclepias verticillata Linnaeus
BRIT73743 Bibb 04 Aug 1996 MacDonald, John R.
9808		 BRIT
Asclepias verticillata L.
UWAL0008899 Randolph 20 Aug 2011 Davenport, L.J.
4764		 UWAL
Asclepias verticillata L.
TROY000014518 Crenshaw 07 Sep 2008 Diamond, Alvin R.
19910		 TROY
Asclepias verticillata Linnaeus
JSU120627 Etowah 31 Jul 1994 Hodge, Lesley M.
2920		 JSU
Asclepias verticillata Linnaeus
AUA000040380 Madison 10 Aug 2018 Swick, E.N.
1077		 AUA
Asclepias Verticillata L.
BRIT73733 Bullock 20 Aug 2002 Diamond, Alvin R.
13620		 BRIT
Asclepias verticillata L.
AUA000030451 DeKalb 17 May 1969 Chitwood, John C.
 AUA
Asclepias Verticillata L.
UNA00038502 Cleburne 18 Aug 1979 Davenport, Lawrence J.
1549		 UNA
Asclepias verticillata L.
AMAL00008625 Lawrence 10 Aug 2003 Spaulding, Daniel D.
12023		 AMAL
Asclepias verticillata L.
UWAL0014513 Cleburne 02 Jul 2010 England, J. Kevin
2585		 UWAL
Asclepias verticillata Linnaeus
TROY000001311 Butler 20 Aug 2005 Diamond, Alvin R.
15659		 TROY
Asclepias verticillata Linnaeus
SAMF0004388 Clay 24 Jul 2014 Davenport, Lawrence J.
5637		 SAMF
Asclepias verticillata Linnaeus
JSU120618 Calhoun 18 Jul 1999 Spaulding, Daniel D.
10666		 JSU
Asclepias verticillata Linnaeus
BRIT73732 Henry 12 Aug 1973 Kral, Robert
51188		 BRIT
Asclepias verticillata L.
UWAL0030534 Covington 25 Aug 1991 Kral, Robert
79667		 UWAL
Asclepias verticillata L.
BRIT73737 Coosa 16 Aug 1968 Kral, Robert
32438		 BRIT
Asclepias verticillata L.
JSU120631 Lawrence 12 Aug 1974 Whetstone, R. David
3599		 JSU
Asclepias verticillata Linnaeus
AUA000030442 Bibb 1 Oct 1977 Sessler, Ann H.
1934		 AUA
Asclepias Verticillata L.
BRIT73727 Covington 25 Aug 1991 Kral, Robert
79667		 BRIT
Asclepias verticillata L.
USAM000001619 Baldwin 15 Jun 1974 LeLong, Michel G.
7863		 USAM
Asclepias verticillata Linnaeus
AMAL00021748 Franklin 11 Jul 2009 England, J. Kevin
2114		 AMAL
Asclepias verticillata Linnaeus
UWAL0042872 Baldwin 22 Sep 2008 Larsen, Harry S.
1643		 UWAL
Asclepias verticillata L.
AUA000030446 Butler 20 Aug 2005 Diamond, Alvin R.
15659		 AUA
Asclepias Verticillata L.
TROY000014082 Lawrence 10 Aug 2003 Spaulding, Daniel D.
12023		 TROY
Asclepias verticillata Linnaeus
UWAL0000819 Franklin 16 Aug 2009 England, J. Kevin
2165		 UWAL
Asclepias verticillata L.
TROY000048676 Autauga 07 Aug 2018 Parker, Matthew R.
1753		 TROY
Asclepias verticillata Linnaeus
JSU120625 DeKalb 1 Oct 1994 Spaulding, Daniel D.
6634		 JSU
Asclepias verticillata Linnaeus
UWAL0016370 Montgomery 24 Jul 2014 Diamond, Alvin R.
25374		 UWAL
Asclepias verticillata Linnaeus
BRIT73734 Butler 20 Aug 2005 Diamond, Alvin R.
15659		 BRIT
Asclepias verticillata L.
AUA000030441 Autauga 10 Jul 1970 Moore, Harold D.
331		 AUA
Asclepias Verticillata L.
UNA00038504 Hale 30 Aug 1979 Davenport, Lawrence J.
1555		 UNA
Asclepias verticillata L.
AMAL00021552 DeKalb 13 Jul 2014 Spaulding, Daniel D.
14060		 AMAL
Asclepias verticillata Linnaeus
UWAL0016940 Morgan 13 Sep 2009 England, J. Kevin
2200		 UWAL
Asclepias verticillata Linnaeus
TROY000014083 Madison 01 Aug 1996 Threlkeld, Steven J.
795		 TROY
Asclepias verticillata Linnaeus
USAM000001620 Mobile 11 Aug 1967 LeLong, Michel G.
3554		 USAM
Asclepias verticillata Linnaeus
JSU120637 Morgan 27 Jun 1996 Whetstone, R. David
17875		 JSU
Asclepias verticillata Linnaeus
BRIT73724 Randolph 12 Oct 1996 Kral, Robert
86853		 BRIT
Asclepias verticillata L.
JSU120617 Bibb 22 Jul 1982 Whetstone, R. David
11743		 JSU
Asclepias verticillata Linnaeus
UWAL0042871 Baldwin 28 Aug 2002 Larsen, Harry S.
1061		 UWAL
Asclepias verticillata L.
BRIT73725 St. Clair 16 Jul 1971 Kral, Robert
43386		 BRIT
Asclepias verticillata L.
JSU120632 Lawrence 12 Aug 1974 Whetstone, R. David
3599		 JSU
Asclepias verticillata Linnaeus
UWAL0030165 Wilcox 21 Aug 2014 Webb, Wayne K.
s.n.		 UWAL
Asclepias verticillata Linnaeus
UWAL0011858 Clay 29 Jun 2012 Keener, Brian R.
7364		 UWAL
Asclepias verticillata Linnaeus
BRIT73731 Henry 28 Aug 1998 MacDonald, John R.
11887		 BRIT
Asclepias verticillata L.
SAMF0004385 Jefferson 1948 McCullough, Herbert A.
s.n.		 SAMF
Asclepias verticillata Linnaeus
UWAL0017210 Lawrence 15 Jul 2014 England, J. Kevin
5104		 UWAL
Asclepias verticillata Linnaeus
TROY000048722 Autauga 08 Jun 2017 Parker, Matthew R.
927		 TROY
Asclepias verticillata Linnaeus
JSU120636 Marshall 11 Jun 1994 Spaulding, Daniel D.
5496		 JSU
Asclepias verticillata Linnaeus
UWAL0035256 Bibb 21 May 2012 Cobb, Richard
s.n.		 UWAL
Asclepias verticillata Linnaeus
BRIT73723 Pike 29 Aug 1999 Diamond, Alvin R.
11596		 BRIT
Asclepias verticillata L.
AUA000038689 Cullman 14 Sep 1933 Wolf, Wolfgang
 AUA
Asclepias Verticillata L.
ALNHS00002817 Covington 20 May 2014 Barger, T. Wayne
SP#1365		 ALNHS
Asclepias verticillata L.
AUA000030439 Autauga 29 Jul 1989 Diamond, Alvin R.
6180		 AUA
Asclepias Verticillata L.
UWAL0000394 Marengo 21 Aug 2008 England, J. Kevin
944		 UWAL
Asclepias verticillata L.
BRIT73721 Lawrence 10 Aug 2003 Spaulding, Daniel D.
12023		 BRIT
Asclepias verticillata L.
JSU120616 Bibb 16 Aug 1993 Ballard, J. Mark
3209		 JSU
Asclepias verticillata Linnaeus
AUA000030457 Pike 5 Aug 1994 Diamond, Alvin R.
9284		 AUA
Asclepias Verticillata L.
AUA000030438 Autauga 14 Jul 1982 Gunn, Scott C.
933		 AUA
Asclepias Verticillata L.
UNA00064555 Butler 20 Aug 2005 Diamond, Alvin R.
15659		 UNA
Asclepias verticillata L.
BRIT73740 Barbour 18 Aug 1977 Kral, Robert
60773		 BRIT
Asclepias verticillata L.
JSU120626 DeKalb 12 Sep 1986 Whetstone, R. David
15686		 JSU
Asclepias verticillata Linnaeus
AMAL00023715 Etowah 30 Aug 2016 Barger, T. Wayne
2442		 AMAL
Asclepias verticillata L.
AMAL00005879 Blount 07 Aug 1998 Keener, Brian R.
1427		 AMAL
Asclepias verticillata L.
UNA00038512 Autauga 17 Jul 1880 Mohr, Charles
s.n.		 UNA
Asclepias verticillata L.
JSU120638 Shelby 20 Jul 1993 Whetstone, R. David
s.n.		 JSU
Asclepias verticillata Linnaeus
ALNHS00001251 Franklin 14 Aug 2012 Barger, T. Wayne
SP#698		 ALNHS
Asclepias verticillata L.
JSU120596 Etowah 14 Jun 1969 Cofield, Jan
s.n.		 JSU
Asclepias verticillata Linnaeus
UWAL0000393 Lawrence 01 Aug 2007 England, J. Kevin
642		 UWAL
Asclepias verticillata L.
TROY000001309 Barbour 18 Aug 1977 Kral, Robert
60773		 TROY
Asclepias verticillata Linnaeus
JSU146115 Calhoun 30 Sep 1992 Hutchinson, Francine
1028		 JSU
Asclepias verticillata Linnaeus
UWAL0000395 Marengo 04 Sep 2008 England, J. Kevin
1015		 UWAL
Asclepias verticillata L.
UNA00038499 Tuscaloosa 12 Aug 1965 Deramus, Rebecca
529		 UNA
Asclepias verticillata L.
JSU120639 Talladega 2 Sep 1994 Ballard, J. Mark
4857		 JSU
Asclepias verticillata Linnaeus
UWAL0016135 DeKalb 13 Jul 2014 Spaulding, Daniel D.
14060		 UWAL
Asclepias verticillata L.
AUA000030456 Macon 8 Aug 1969 Owens, James R.
129		 AUA
Asclepias Verticillata L.
UNA00038513 Cleburne 30 Jul 1896 Mohr, Charles
s.n.		 UNA
Asclepias verticillata L.
JSU120622 Clay 5 Sep 1982 Whetstone, R. David
12140		 JSU
Asclepias verticillata Linnaeus
UNA00038510 Clay _ Jun 1896 Mohr, Charles
s.n.		 UNA
Asclepias verticillata L.
BRIT73722 Mobile 07 Aug 1966 Lelong, Michel G.
4009		 BRIT
Asclepias verticillata L.
AUA000030445 Butler 2 Aug 1985 Diamond, Alvin R.
1337		 AUA
Asclepias Verticillata L.
AUA000030443 Bullock 31 Jul 1970 Moore, Harold D.
587		 AUA
Asclepias Verticillata L.
ALNHS00004033 St. Clair 25 Jul 2016 Barger, T. Wayne
SP#2373		 ALNHS
Asclepias verticillata L.
JSU120633 Lawrence 12 Aug 1974 Atkinson, Tim A.
644		 JSU
Asclepias verticillata Linnaeus
AUA000030450 Crenshaw 24 Jul 1990 Diamond, Alvin R.
7051		 AUA
Asclepias Verticillata L.
ALNHS00003295 Sumter 15 Jul 2015 Barger, T. Wayne
SP#1813		 ALNHS
Asclepias verticillata L.
AMAL00002290 Colbert 22 Aug 2013 Barger, T. Wayne
FH-107		 AMAL
Asclepias verticillata L.
UWAL0011906 Clarke 15 Aug 2012 Keener, Brian R.
7451		 UWAL
Asclepias verticillata Linnaeus
BRIT73703 Sumter 29 Jul 1967 Jones, Samuel B.
15036		 BRIT
Asclepias verticillata L.
JSU120615 Bibb 31 Jul 1998 Whetstone, R. David
19633		 JSU
Asclepias verticillata Linnaeus
UWAL0017369 Franklin 11 Jul 2009 England, J. Kevin
2114		 UWAL
Asclepias verticillata Linnaeus
ALNHS00005868 Lee 23 Jul 2018 Barger, T. Wayne
SP#4177		 ALNHS
Asclepias verticillata L.
JSU144412 Cleburne 04 Jul 1993 Hutchinson, Francine
1706		 JSU
Asclepias verticillata Linnaeus
UWAL0042501 Bullock 28 Aug 2017 Horne, Howard E.
4177		 UWAL
Asclepias verticillata L.
UWAL0014425 Colbert 26 Jun 2014 England, J. Kevin
4974		 UWAL
Asclepias verticillata Linnaeus
TROY000001312 Pike 29 Aug 1999 Diamond, Alvin R.
11596		 TROY
Asclepias verticillata Linnaeus
SAMF0004386 Randolph 20 Aug 2011 Davenport, Lawrence J.
4764		 SAMF
Asclepias verticillata Linnaeus
AUA000030448 Cleburne 25 Jun 1967 Eichlin, Thomas D.
55		 AUA
Asclepias Verticillata L.
TROY000041095 Clay 29 Jun 2012 Keener, Brian R.
7364		 TROY
Asclepias verticillata L.
BRIT73729 Franklin 26 Jun 1970 Kral, Robert
39728		 BRIT
Asclepias verticillata L.
JSU120629 Franklin 6 Aug 1993 Ballard, J. Mark
3159		 JSU
Asclepias verticillata Linnaeus
UWAL0010237 Bibb 27 May 2012 Keener, Brian R.
7288		 UWAL
Asclepias verticillata L.
BRIT73739 Autauga 10 Jul 1970 Moore, Harold D.
331		 BRIT
Asclepias verticillata L.
UWAL0057172 Bibb 11 Jun 2020 Keener, Brian R.
11814		 UWAL
Asclepias verticillata L.
AUA000030453 Geneva 21 Sep 1990 Diamond, Alvin R.
7133		 AUA
Asclepias Verticillata L.
BRIT73741 Barbour 15 Jul 1999 MacDonald, John R.
13166		 BRIT
Asclepias verticillata L.
BRIT71363 Dale 26 Jun 1991 Kral, Robert
79169		 BRIT
Asclepias verticillata L.
AMAL00016557 Butler 20 Aug 2005 Diamond, Alvin R.
15659		 AMAL
Asclepias verticillata L.
UWAL0047458 Clay 17 Aug 2018 Keener, Brian R.
10835		 UWAL
Asclepias verticillata L.
AUA000030452 Franklin 7 Aug 1981 O'Halloran, K.
354		 AUA
Asclepias Verticillata L.
TROY000014471 Butler 06 Sep 2007 Diamond, Alvin R.
18043		 TROY
Asclepias verticillata Linnaeus
JSU120628 Etowah 23 Jun 1994 Hodge, Lesley M.
2718		 JSU
Asclepias verticillata Linnaeus
AUA000030447 Cherokee 24 Aug 1981 Henderson, T.
446		 AUA
Asclepias Verticillata L.
TROY000042714 Covington 09 Aug 2015 Diamond, Alvin R.
26689		 TROY
Asclepias verticillata Linnaeus
AMAL00005882 Marion 25 Jul 2001 Threlkeld, Steven J.
1454		 AMAL
Asclepias verticillata L.
UWAL0052222 Winston 16 Jul 2017 Keener, Brian R.
10267		 UWAL
Asclepias verticillata L.
BRIT73728 Covington 03 Sep 1969 Kral, Robert
36803		 BRIT
Asclepias verticillata L.
AMAL00019444 Calhoun 04 Sep 1994 Spaulding, Daniel D.
6166		 AMAL
Asclepias verticillata L.
UWAL0009194 Colbert 21 Aug 2011 Keener, Brian R.
6649		 UWAL
Asclepias verticillata L.
TROY000001310 Bullock 20 Aug 2002 Diamond, Alvin R.
13620		 TROY
Asclepias verticillata Linnaeus
JSU146210 Cleburne 18 Aug 1992 Hutchinson, Francine
857		 JSU
Asclepias verticillata Linnaeus
UWAL0046417 Autauga 07 Aug 2018 Parker, Matthew R.
1753		 UWAL
Asclepias verticillata Linnaeus
UWAL0036393 Marshall 12 Aug 2017 England, J. Kevin
8369		 UWAL
Asclepias verticillata Linnaeus
BRIT73726 St. Clair 15 Aug 1968 Kral, Robert
32375		 BRIT
Asclepias verticillata L.
USAM000001621 Mobile 04 Aug 1967 LeLong, Michel G.
3478		 USAM
Asclepias verticillata Linnaeus
AUA000030455 Lee 1 Aug 1969 Ellis, H.C.
118		 AUA
Asclepias Verticillata L.
TROY000042882 Wilcox 21 Aug 2014 Webb, Wayne K.
s.n.		 TROY
Asclepias verticillata Linnaeus
SAMF0004387 Shelby 12 Aug 2007 Howell, W. Mike
s.n.		 SAMF
Asclepias verticillata Linnaeus
AUA000038687 Cullman 15 Jul 1913 Schneider, A.
1489		 AUA
Asclepias Verticillata L.
BRIT73730 Geneva 26 Jul 1999 MacDonald, John R.
13287		 BRIT
Asclepias verticillata L.
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