Heterotheca subaxillaris ssp. subaxillaris

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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:Heterotheca subaxillaris (Lam.) Britton & Rusby ssp. subaxillaris
Common Name:Dune Camphorweed
Habitat:**
Associated Ecological Communities:**
Growth Habit:Herb
Duration:Annual
Category:Vascular
USDA Symbol:**
Plant Notes:Camphorweed is a native herbaceous annual in the Sunflower family (Asteraceae). It occurs on dunes, on roadsides, in fields, along railroad tracks, and in waste areas. Flowers are produced in heads. Both the ray and disc flowers are yellow. The flowering period extends from summer until the first hard freeze. This species has greatly expanded its range, moving into disturbed areas along roads and railroads. Two varieties are recognized: Common Camphorweed (Heterotheca subaxillaris (Lamarck) Britton & Rusby ssp. latifolia (Buckley) J.C. Semple) and Dune Camphorweed (Heterotheca subaxillaris (Lamarck) Britton & Rusby ssp. subaxillaris). Common Camphorweed occurs throughout the state. It lacks a cluster of coarse hairs on the tips of the phyllaries (the bracts subtending the heads). Dune Camphorweed occurs on the lower coastal plain, especially near the coast. Both subspecies are drought tolerant and thrive in poor soils in full sun. Seeds are sometimes available from wildflower seed companies. These plants produce large amounts of seed, and tend to be very weedy. They are a favorite nectar plant for insects late in the year when little else is in flower. --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

FamilyASTERACEAE - Aster family
Genus Heterotheca
Species Heterotheca subaxillaris (Lam.) Britton & Rusby ssp. subaxillaris - Dune Camphorweed

Citation

Citation Heterotheca subaxillaris (Lamarck) Britton & Rusby, ssp. subaxillaris, Trans. New York Acad. Sci. 7(1–2): 10. 1887.
Basionym: Inula subaxillaris Lam. 1789.
Type: USA: SOUTH CAROLINA: Without data, Walter s.n. (lectotype: P). Lectotypified by B. Wagenknecht, Rhodora 62: 73. 1960.

** 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, Bullock, Butler, Coffee, Covington, Fayette, Greene, Houston, Lowndes, Marengo, Mobile, Monroe, Montgomery, Sumter

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: 1887 - 2023

Barcode / Accession No. County Coll. Date Collector &
Collection No.		 Herbarium &
Herbarium Name Used		 Image
UWAL0030116 Baldwin 03 Jun 2015 Davenport, L.J.
5802		 UWAL
Heterotheca subaxillaris (Lamarck) Britton & Rusby ssp. subaxillaris
TROY000033971 Bullock 06 Oct 2011 Dykes, Bailee
197		 TROY
Heterotheca subaxillaris (Lamarck) Britton & Rusby
UWAL0013580 Marengo 29 Jun 2011 England, J. Kevin
3027		 UWAL
Heterotheca subaxillaris (Lamarck) Britton & Rusby
UWAL0013489 Marengo 19 Jul 2012 England, J. Kevin
3717		 UWAL
Heterotheca subaxillaris (Lamarck) Britton & Rusby
AMAL00021365 Baldwin 25 Jul 2012 Barger, T. Wayne
734		 AMAL
Heterotheca subaxillaris var. subaxillaris (Lam.) Britt. & Rusby
UWAL0010058 Bullock 06 Oct 2011 Dykes, Bailee
197		 UWAL
Heterotheca subaxillaris (Lam.) Britt. & Rusby
UNA00047719 Baldwin 01 Jun 1977 Davenport, Lawrence J.
93		 UNA
Heterotheca subaxillaris (Lam.) Britt. & Rusby subsp. subaxillaris
SAMF0006806 Baldwin 31 Mar 2016 Davenport, Lawrence J.
6088		 SAMF
Heterotheca subaxillaris (Lamarck) Britton & Rusby
TROY000048947 Greene 14 Oct 2010 Keener, Brian R.
6216		 TROY
Heterotheca subaxillaris (Lamarck) Britton & Rusby ssp. subaxillaris
ALNHS00000760 Mobile 04 Apr 2010 Barger, T. Wayne
SP#258		 ALNHS
Heterotheca subaxillaris (Lam.) Britt. & Rusby var. subaxillaris
UWAL0044244 Baldwin 28 Aug 2002 Larsen, Harry S.
1080		 UWAL
Heterotheca subaxillaris (Lam.) Britton & Rusby ssp. subaxillaris
UWAL0052962 Baldwin 31 Mar 2016 Davenport, L.J.
6088		 UWAL
Heterotheca subaxillaris (Lamark) Britton & Rusby
UWAL0012263 Sumter 25 Jul 2012 Keener, Brian R.
7415		 UWAL
Heterotheca subaxillaris (Lamarck) Britton & Rusby
USAM000002419 Mobile 30 May 1971 LeLong, Michel G.
5721		 USAM
Heterotheca subaxillaris (Lamarck) Britton & Rusby
TROY000049415 Lowndes 14 Oct 2018 Diamond, Alvin R.
28552		 TROY
Heterotheca subaxillaris (Lamarck) Britton & Rusby
UNA00059628 Baldwin 10 Nov 2002 Zebryk, Tad M.
8018		 UNA
Heterotheca subaxillaris (Lam.) Britt. & Rusby subsp. subaxillaris
ALNHS00006685 Baldwin 09 Oct 2019 Barger, T. Wayne
SP#4943		 ALNHS
Heterotheca subaxillaris (Lam.) Britt. & Rusby var. subaxillaris (Lam.) Britt. & Rusby
UWAL0015341 Greene 14 Oct 2010 Keener, Brian R.
6216		 UWAL
Heterotheca subaxillaris (Lam.) Britt. & Rusby ssp. subaxillaris
TROY000002335 Mobile 26 May 2002 Spaulding, Daniel D.
11326		 TROY
Heterotheca subaxillaris (Lamarck) Britton & Rusby ssp. subaxillaris
UNA00059068 Mobile 26 May 2002 Spaulding, Daniel D.
11326		 UNA
Heterotheca subaxillaris (Lam.) Britt. & Rusby subsp. subaxillaris
AUA000004795 Baldwin 26 Jul 1968 Odom, Betty
 AUA
Heterotheca Subaxillaris (Lam.) Britt. & Rusby Var. Subaxillaris
UNA00067981 Baldwin 24 Oct 2007 Steakley, Cherie Bryant
s.n.		 UNA
Heterotheca subaxillaris (Lam.) Britt. & Rusby
SAMF0005459 Sumter 25 Jul 2012 Keener, Brian R.
7415		 SAMF
Heterotheca subaxillaris (Lamarck) Britton & Rusby
TROY000033489 Barbour 20 Aug 2011 Ryan, Lauren
17		 TROY
Heterotheca subaxillaris (Lam.) Britton & Rusby
TROY000045544 Marengo 19 Jul 2012 England, J. Kevin
3717		 TROY
Heterotheca subaxillaris (Lamarck) Britton and Rusby
USAM000002421 Greene 20 Oct 1979 LeLong, Michel G.
11014		 USAM
Heterotheca subaxillaris (Lamarck) Britton & Rusby
UNA00047728 Baldwin 06 Oct 1887 Mohr, Charles
s.n.		 UNA
Heterotheca subaxillaris (Lam.) Britt. & Rusby subsp. subaxillaris
UNA00047725 Mobile 26 Jun 1964 Deramus, Rebecca
D160		 UNA
Heterotheca subaxillaris (Lam.) Britt. & Rusby subsp. subaxillaris
UWAL0046093 Autauga 05 Oct 2017 Parker, Matthew R.
1316		 UWAL
Heterotheca subaxillaris (Lamarck) Britton & Rusby ssp. subaxillaris
UNA00017095 Mobile 27 Apr 1968 Thomas, Joab L.
1675		 UNA
Heterotheca subaxillaris (Lam.) Britt. & Rusby subsp. subaxillaris
SAMF0002994 Baldwin 03 Jun 2015 Davenport, Lawrence J.
5802		 SAMF
Heterotheca subaxillaris (Lamarck) Britton & Rusby ssp. subaxillaris
JSU115201 Baldwin 20 Aug 1968 Landers, Kenneth E.
s.n.		 JSU
Heterotheca subaxillaris (Lamarck) Britton & Rusby ssp. subaxillaris
TROY000040275 Baldwin 18 Sep 2011 Keener, Brian R.
6709		 TROY
Heterotheca subaxillaris (Lamarck) Britton
TROY000014675 Butler 14 Sep 2008 Diamond, Alvin R.
20230		 TROY
Heterotheca subaxillaris (Lamarck) Britton & Rusby
UWAL0012249 Baldwin 18 Sep 2011 Keener, Brian R.
6709		 UWAL
Heterotheca subaxillaris (Lamarck) Britton & Rusby
TROY000043408 Houston 22 Oct 2015 Diamond, Alvin R.
26965		 TROY
Heterotheca subaxillaris (Lamarck) Britton & Rusby
UWAL0056818 Fayette 22 Jun 2023 England, Kevin J.
13799		 UWAL
Heterotheca subaxillaris (Lamarck) Britton & Rusby
AUA000020030 Covington 7 Dec 2005 Diamond, Alvin R.
16081		 AUA
Heterotheca Subaxillaris (Lam.) Britt. & Rusby
UNA00047726 Mobile 03 Aug 1964 Deramus, Rebecca
D200		 UNA
Heterotheca subaxillaris (Lam.) Britt. & Rusby subsp. subaxillaris
TROY000049580 Autauga 02 Nov 2017 Parker, Matthew R.
1448		 TROY
Heterotheca subaxillaris (Lamarck) Britton & Rusby ssp. subaxillaris
UWAL0012247 Baldwin 18 Sep 2011 Keener, Brian R.
6706		 UWAL
Heterotheca subaxillaris (Lamarck) Britton & Rusby
USAM000002418 Monroe 27 Apr 1975 LeLong, Michel G.
8432		 USAM
Heterotheca subaxillaris (Lamarck) Britton & Rusby
UWAL0016979 Mobile 11 May 2013 Horne, Howard E.
2161		 UWAL
Heterotheca subaxillaris (Lamarck) Britton & Rusby
UNA00060331 Mobile 21 Nov 2002 Zebryk, Tad M.
8063		 UNA
Heterotheca subaxillaris (Lam.) Britt. & Rusby subsp. subaxillaris
USAM000002420 Mobile 09 Jun 1967 LeLong, Michel G.
3261		 USAM
Heterotheca subaxillaris (Lamarck) Britton & Rusby
AMAL00015057 Baldwin 13 May 2008 Barger, T. Wayne
Perd-558		 AMAL
Heterotheca subaxillaris ssp. subaxillaris (Lam.) Britt. & Rusby
TROY000015241 Montgomery 23 Nov 2007 Diamond, Alvin R.
18676		 TROY
Heterotheca subaxillaris (Lamarck) Britton & Rusby
UWAL0000734 Coffee 17 Jul 2008 Dyess, Kaleb K.
83		 UWAL
Heterotheca subaxillaris (Lam.) Britt. & Rusby
TROY000045232 Marengo 29 Jun 2011 England, J. Kevin
3027		 TROY
Heterotheca subaxillaris (Lamarck) Britton & Rusby
UWAL0039256 Lowndes 14 Oct 2018 Diamond, Alvin R.
28552		 UWAL
Heterotheca subaxillaris (Lamarck) Britton & Rusby
UNA00047727 Mobile 15 Jul 1965 Deramus, Rebecca
D 612		 UNA
Heterotheca subaxillaris (Lam.) Britt. & Rusby subsp. subaxillaris
AUA000004796 Baldwin 5 Aug 1967 Thompson, Olivia C.
 AUA
Heterotheca Subaxillaris (Lam.) Britt. & Rusby Var. Subaxillaris
TROY000047898 Autauga 05 Oct 2017 Parker, Matthew R.
1316		 TROY
Heterotheca subaxillaris (Lamarck) Britton & Rusby ssp. subaxillaris
UWAL0031987 Houston 22 Oct 2015 Diamond, Alvin R.
26965		 UWAL
Heterotheca subaxillaris (Lamarck) Britton & Rusby
AUA000004794 Baldwin 29 Apr 1967 Golden, Michael
107		 AUA
Heterotheca Subaxillaris (Lam.) Britt. & Rusby Var. Subaxillaris
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