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Oenothera biennis

ClassificationFlowering Plants
FamilyOnagraceae
Family (Traditional)Onagraceae
GenusOenothera
SpeciesOenothera biennis L.
Common NameCommon evening primrose
Growth HabitForb
DurationBiennial
Plant Notes**
C value 0
StatusNative, FACU (NWPL)
Specimens View and Download Specimen Details »

** Not applicable or data not available.

Subspecies and Varieties

Not applicable or data not available.

Distribution Map: Based on vouchered plant specimens only. View county names by placing the mouse cursor over a particular county.

Species Distribution Map

Synonyms

SynonymFull CitationBasionymType
Oenothera biennis subsp. caeciarum Oenothera biennis subsp. caeciarum Munz  
Oenothera biennis subsp. centralis Oenothera biennis subsp. centralis Munz  
Oenothera biennis var. pycnocarpa Oenothera biennis var. pycnocarpa Wiegand  
Oenothera muricata Oenothera muricata L.  
Oenothera pycnocarpa Oenothera pycnocarpa Atkinson & Bartlett  
Oenothera suaveolens Oenothera suaveolens Desf.  

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 an accession number to view full details; click on column headers to sort.

Counties included on distribution map: Boone, Brown, Cass, Clay, Clinton, Crawford, Dearborn, Decatur, Delaware, Elkhart, Floyd, Fountain, Fulton, Hamilton, Hancock, Hendricks, Howard, Jay, Lawrence, Madison, Marion, Newton, Owen, Parke, Posey, Randolph, Rush, Shelby, Starke, Steuben, Switzerland, Tippecanoe, Tipton, Union, Vermillion, Wabash, Warren, White, Whitley

Counties represented by specimen data listed below:

Herbaria represented by specimen data listed below: BUT

Range of years during which specimens were collected: 1920 - 2004

Accession No. (click for full details) County Coll. Date Collector &
Collection No.		 Herbarium &
Herbarium Name Used		 Image
30572 Decatur 05 Aug 1932 Charles C. Deam
52523		 BUT
Oenothera biennis L. var biennis
30571 Whitley 16 Aug 1934 Charles C. Deam
55348		 BUT
Oenothera biennis L. var biennis
30570 Posey 22 Sep 1934 Charles C. Deam
55709		 BUT
Oenothera biennis L. var biennis
57592 Clinton 27 Aug 1941 Charles M. Ek
 BUT
Oenothera biennis L. var biennis
57890 Howard 31 Aug 1940 Charles M. Ek
 BUT
Oenothera biennis L. var biennis
64302 Tipton 18 Sep 1942 Charles M. Ek
 BUT
Oenothera biennis L. var biennis
49146 Howard 28 Aug 1936 Chas. W. Ek
 BUT
Oenothera biennis L.
49145 Tipton 29 Aug 1936 Chas. W. Ek
 BUT
Oenothera biennis L.
154167 Warren 24 Jul 1991 Gayle Tonkovich
211		 BUT
Oenothera biennis L.
94936 Parke 15 Jul 1950 Jack McCormick
329		 BUT
Oenothera biennis L. var biennis
99371 Madison 20 Aug 1992 P. E. Rothrock
2655		 BUT
Oenothera biennis L. var biennis
151484 Parke 13 Aug 2004 R. K. Scott
503		 BUT
Oenothera biennis L.
154168 Marion Raelene M. Crandall
 BUT
Oenothera biennis L.
14236 Tippecanoe 10 Jun 1933 Ray C. Friesner
5813		 BUT
Oenothera biennis L. var biennis
99069 Tippecanoe 10 Jun 1933 Ray C. Friesner
5813		 BUT
Oenothera biennis L. var biennis
46908 Fulton 01 Jul 1939 Ray C. Friesner
13649		 BUT
Oenothera biennis L.
18464 Brown 07 Jul 1934 Ray C. Friesner
7599		 BUT
Oenothera biennis L. var biennis
43881 Dearborn 09 Jul 1938 Ray C. Friesner
12499		 BUT
Oenothera biennis L. var biennis
95221 Switzerland 15 Jul 1950 Ray C. Friesner
23600		 BUT
Oenothera biennis L. var biennis
52565 Boone 18 Jul 1942 Ray C. Friesner
16976		 BUT
Oenothera biennis L. var biennis
70814 Randolph 22 Jul 1944 Ray C. Friesner
18411		 BUT
Oenothera biennis L. var biennis
2017 Marion 24 Jul 1920 Ray C. Friesner
 BUT
Oenothera biennis L. var biennis
2018 Marion 24 Jul 1920 Ray C. Friesner
 BUT
Oenothera biennis L. var biennis
2019 Marion 24 Jul 1920 Ray C. Friesner
 BUT
Oenothera biennis L. var biennis
61722 Hendricks 25 Jul 1942 Ray C. Friesner
17050		 BUT
Oenothera biennis L. var biennis
70813 Jay 29 Jul 1944 Ray C. Friesner
18513		 BUT
Oenothera biennis L. var biennis
70812 Randolph 29 Jul 1944 Ray C. Friesner
18559		 BUT
Oenothera biennis L. var biennis
2016 Floyd 01 Aug 1923 Ray C. Friesner
 BUT
Oenothera biennis L. var biennis
61851 Shelby 01 Aug 1942 Ray C. Friesner
17089		 BUT
Oenothera biennis L. var biennis
61998 Shelby 01 Aug 1942 Ray C. Friesner
17186		 BUT
Oenothera biennis L. var biennis
54057 Elkhart 02 Aug 1941 Ray C. Friesner
15832		 BUT
Oenothera biennis L. var biennis
53204 Steuben 03 Aug 1941 Ray C. Friesner
15940		 BUT
Oenothera biennis L. var biennis
53200 Steuben 03 Aug 1941 Ray C. Friesner
15940		 BUT
Oenothera biennis L. var biennis
70540 Hancock 05 Aug 1944 Ray C. Friesner
18588		 BUT
Oenothera biennis L. var biennis
64076 Hamilton 08 Aug 1942 Ray C. Friesner
17218		 BUT
Oenothera biennis L. var biennis
53844 Wabash 09 Aug 1941 Ray C. Friesner
16013		 BUT
Oenothera biennis L. var biennis
53875 Wabash 09 Aug 1941 Ray C. Friesner
16013		 BUT
Oenothera biennis L. var biennis
74238 Vermillion 11 Aug 1945 Ray C. Friesner
19444		 BUT
Oenothera biennis L. var biennis
99276 Cass 16 Aug 1941 Ray C. Friesner
16147		 BUT
Oenothera biennis L. var biennis
81454 Clay 30 Aug 1947 Ray C. Friesner
21824		 BUT
Oenothera biennis L. var biennis
86066 Delaware 30 Aug 1949 Ray C. Friesner
22943		 BUT
Oenothera biennis L. var biennis
9966 Lawrence 06 Sep 1932 Ray C. Friesner
4896		 BUT
Oenothera biennis L. var biennis
56321 Starke 06 Sep 1941 Ray C. Friesner
16319		 BUT
Oenothera biennis L. var biennis
10781 Crawford 08 Sep 1932 Ray C. Friesner
5087		 BUT
Oenothera biennis L. var biennis
68044 Rush 25 Sep 1943 Ray C. Friesner
18059		 BUT
Oenothera biennis L. var biennis
74058 Union 29 Sep 1945 Ray C. Friesner
19963		 BUT
Oenothera biennis L. var biennis
7973 Boone 03 Oct 1931 Ray C. Friesner
3711		 BUT
Oenothera biennis L. var biennis
44359 Fountain 08 Oct 1938 Ray C. Friesner
13216		 BUT
Oenothera biennis L.
44518 Owen 15 Oct 1938 Ray C. Friesner
13260		 BUT
Oenothera biennis L.
40658 Marion 24 Oct 1936 Ray C. Friesner
10332		 BUT
Oenothera biennis L. var biennis
40659 Marion 24 Oct 1936 Ray C. Friesner
10332		 BUT
Oenothera biennis L. var biennis
41216 Marion 24 Oct 1936 Ray C. Friesner
10332		 BUT
Oenothera biennis L. var biennis
4799 Parke 18 Aug 1930 Rexford F. Daubenmire
2312		 BUT
Oenothera biennis L. var biennis
18400 White 20 Aug 1933 Scott McCoy
 BUT
Oenothera biennis L. var biennis
18425 White 20 Aug 1933 Scott McCoy
 BUT
Oenothera biennis L.
154166 Tippecanoe 07 Sep 1997 Valerie Miller
 BUT
Oenothera biennis L.
29250 Newton 01 Jul 1934 Wm. Rhoades
 BUT
Oenothera biennis L.
32020 Tippecanoe 01 Jul 1934 Wm. Rhoades
 BUT
Oenothera biennis L.
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