Erigeron pusillus

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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
The name of this species does not match your search because Erigeron pusillus is indicated as the accepted name for Conyza parva.
Family:ASTERACEAE
Species:Erigeron pusillus Nutt.
Common Name:Southern Horseweed
Habitat:Old fields, pastures, roadsides.
Associated Ecological Communities:**
Growth Habit:Herb
Duration:Annual
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 Erigeron
Species Erigeron pusillus Nutt. - Southern Horseweed

Citation

Citation Erigeron pusillus Nuttall, Gen. N. Amer. Pl. 2: 148-149. 1818.
Basionym: **
Type: USA: NEW JERSEY/PENNSYLVANIA:

** Not applicable or data not available.

Synonyms

SynonymFull CitationBasionymType
Conyza canadensis var. pusilla Conyza canadensis (Linnaeus) Cronquist, var. pusilla (Nuttall) Cronquist, Bull. Torrey Bot. Club 74: 150. 1947.Erigeron pusillus Nuttall 1818. 
Conyza parva Conyza parva Cronquist, Bull. Torrey Bot. Club 70: 632. 1943.Erigeron pusillus Nuttall 1818. 
Leptilon canadense var. pusillum Leptilon canadense (Linnaeus) Britton, var. pusillum (Nuttall) Daniels, Univ. Missouri Stud., Sci. Ser. 2(2): 239. 1911.Erigeron pusillus Nuttall 1818. 
Leptilon pusillum Leptilon pusillum (Nuttall) Britton, Torreya 14: 198. 1914.Erigeron pusillus Nuttall 1818. 

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, Bullock, Choctaw, Coosa, Fayette, Houston, Lee, Marion, Mobile, Sumter, Winston

Counties represented by specimen data listed below:

Herbaria represented by specimen data listed below: ALNHS, UWAL

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

Barcode / Accession No. County Coll. Date Collector &
Collection No.		 Herbarium &
Herbarium Name Used		 Image
UWAL0037102 Baldwin 30 Sep 2017 Bryson, Charles T.
25445		 UWAL
Erigeron pusillus Nutt.
UWAL0009181 Mobile 07 Aug 1993 Stanton, Lee E.
s.n.		 UWAL
Erigeron pusillus Nuttall
UWAL0012490 Baldwin 08 Jul 2012 Spaulding, Daniel D.
13527		 UWAL
Erigeron pusillus Nuttall
UWAL0009182 Mobile 07 Aug 1993 Stanton, Lee E.
s.n.		 UWAL
Erigeron pusillus Nuttall
UWAL0042481 Bullock 26 Aug 2017 Horne, Howard E.
4143		 UWAL
Erigeron pusillus Nutt.
UWAL0014524 Marion 20 Sep 2009 England, J. Kevin
2201		 UWAL
Erigeron pusillus Nuttall
UWAL0015743 Coosa 11 Oct 2013 Diamond, Alvin R.
24633		 UWAL
Erigeron pusillus Nuttall
UWAL0033951 Choctaw 09 Oct 2016 Keener, Brian R.
9838		 UWAL
Erigeron pusillus Nuttall
UWAL0038716 Fayette 19 Oct 2018 England, J. Kevin
9598		 UWAL
Erigeron pusillus Nutt.
UWAL0035626 Mobile 08 Sep 2013 Horne, Howard E.
2379		 UWAL
Erigeron pusillus Nuttall
UWAL0033468 Winston 22 Sep 2013 England, J. Kevin
4581		 UWAL
Erigeron pusillus Nuttall
UWAL0035779 Mobile 23 Jul 2016 Horne, Howard E.
3389		 UWAL
Erigeron pusillus Nuttall
UWAL0000532 Sumter 02 Oct 2007 Keener, Brian R.
3882		 UWAL
Erigeron pusillus Nuttall
UWAL0033967 Autauga 05 Oct 2014 Keener, Brian R.
8653		 UWAL
Erigeron pusillus Nuttall
ALNHS00005168 Lee 06 OCT 2017 Barger, T. Wayne
SP#3399		 ALNHS
Erigeron pusillus Nutt.
UWAL0043935 Baldwin 23 Aug 2000 Larsen, Harry S.
554		 UWAL
Erigeron pusillus Nutt.
UWAL0010054 Bullock 06 Oct 2011 Dykes, Bailee
195		 UWAL
Erigeron pusillus Nuttall
UWAL0032096 Houston 09 Jul 2015 Diamond, Alvin R.
26554		 UWAL
Erigeron pusillus Nuttall
UWAL0056529 Winston 26 Sep 2020 England, Kevin J.
11226		 UWAL
Erigeron pusillus Nuttall
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