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Sphenopholis obtusata

ClassificationFlowering Plants
FamilyPoaceae
Family (Traditional)Poaceae
GenusSphenopholis
SpeciesSphenopholis obtusata (Michx.) Scribn.
Common NamePrairie wedge grass
Growth HabitGrass
DurationPerennial
Plant Notes**
C value
StatusNative, FAC (NWPL)
Specimens View and Download Specimen Details »

** Not applicable or data not available.

Subspecies and Varieties

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

Species Distribution Map

Currently no photos are available for this plant.

Synonyms

SynonymFull CitationBasionymType
Agrostis obtusata Agrostis obtusata Steud.  
Aira mexicana Aira mexicana Trin. ex E. Fourn.  
Aira obtusa Aira obtusa Raf.  
Aira obtusata Aira obtusata Michx.  
Aira truncata Aira truncata Muhl.  
Airopsis obtusata Airopsis obtusata (Michx.) Desv.  
Eatonia annua Eatonia annua  
Eatonia densiflora Eatonia densiflora E. Fourn.  
Eatonia obtusata var. purpurascens Eatonia obtusata var. purpurascens  
Eatonia obtusata var. robusta Eatonia obtusata var. robusta  
Eatonia pubescens Eatonia pubescens Scribn. & Merr.  
Eatonia robusta Eatonia robusta (Vasey ex L.H. Dewey) Rydb.  
Festuca obtusata Festuca obtusata Michx. ex P. Beauv.  
Graphephorum densiflorum Graphephorum densiflorum E. Fourn.  
Koeleria lobata Koeleria lobata Trin. ex Steud.  
Koeleria obtusata Koeleria obtusata Trin. ex Steud.  
Koeleria paniculata Koeleria paniculata Nutt.  
Koeleria truncata Koeleria truncata (Muhl.) Torr.  
Poa obtusata Poa obtusata (Michx.) Link  
Sphenopholis annua Sphenopholis annua (Suksd.) A. Heller  
Sphenopholis obtusata f. obtusata Sphenopholis obtusata f. obtusata (Michx.) Scribn.  
Sphenopholis obtusata f. purpurascens Sphenopholis obtusata f. purpurascens (Vasey ex Rydb. & Shear) Waterf.  
Sphenopholis obtusata subsp. lobata Sphenopholis obtusata subsp. lobata (Trin.) Scribn.  
Sphenopholis obtusata subsp. pubescens Sphenopholis obtusata subsp. pubescens (Scribn. & Merr.) Scribn.  
Sphenopholis obtusata var. lobata Sphenopholis obtusata var. lobata (Trin.) Scribn.  
Sphenopholis obtusata var. obtusata Sphenopholis obtusata var. obtusata  
Sphenopholis obtusata var. pubescens Sphenopholis obtusata var. pubescens (Scribn. & Merr.) Scribn.  
Sphenopholis pubescens Sphenopholis pubescens (Scribn. & Merr.) A. Heller  
Sphenopholis robusta Sphenopholis robusta (Vasey ex L.H. Dewey) A. Heller  
Trisetum lobatum Trisetum lobatum Trin.  

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: Allen, Bartholomew, Brown, Carroll, Cass, Crawford, Daviess, DeKalb, Dubois, Franklin, Fulton, Hamilton, Hancock, Harrison, Hendricks, Henry, Howard, Jackson, Jasper, Jefferson, Jennings, Knox, Kosciusko, LaGrange, LaPorte, Lawrence, Madison, Marion, Miami, Monroe, Montgomery, Morgan, Noble, Owen, Perry, Porter, Posey, Pulaski, Putnam, Randolph, Rush, Shelby, Spencer, St. Joseph, Steuben, Switzerland, Tippecanoe, Vanderburgh, Vermillion, Warrick, Wells, Whitley

Counties represented by specimen data listed below:

Herbaria represented by specimen data listed below: BUT

Range of years during which specimens were collected: 1911 - 1950

Accession No. (click for full details) County Coll. Date Collector &
Collection No.		 Herbarium &
Herbarium Name Used		 Image
52257 LaGrange 25 Jun 1940 Charles C. Deam
59702		 BUT
Sphenopholis obtusata (Michx.) Scribn. var. obtusata
49898 Kosciusko 10 Jun 1939 Charles M. Ek
 BUT
Sphenopholis obtusata (Michx.) Scribn. var. major (Torr.) K.S. Erdman
49734 Kosciusko 10 Jun 1939 Charles M. Ek
 BUT
Sphenopholis obtusata (Michx.) Scribn. var. major (Torr.) K.S. Erdman
46777 Miami 29 May 1936 Chas. W. Ek
 BUT
Sphenopholis obtusata (Michx.) Scribn. var. major (Torr.) K.S. Erdman
46754 Howard 04 Jun 1936 Chas. W. Ek
 BUT
Sphenopholis obtusata (Michx.) Scribn. var. major (Torr.) K.S. Erdman
1842 Putnam 28 May 1911 Earl J. Grimes
517		 BUT
Sphenopholis obtusata (Michx.) Scribn. var. major (Torr.) K.S. Erdman
29155 Crawford J. E. Potzger
5031		 BUT
Sphenopholis obtusata (Michx.) Scribn. var. major (Torr.) K.S. Erdman
28905 Vanderburgh 11 May 1935 J. E. Potzger
4954		 BUT
Sphenopholis obtusata (Michx.) Scribn. var. major (Torr.) K.S. Erdman
28910 Warrick 12 May 1935 J. E. Potzger
4980		 BUT
Sphenopholis obtusata (Michx.) Scribn. var. major (Torr.) K.S. Erdman
27642 Spencer 12 May 1935 J. E. Potzger
5004		 BUT
Sphenopholis obtusata (Michx.) Scribn. var. major (Torr.) K.S. Erdman
26558 Perry 12 May 1935 J. E. Potzger
5015		 BUT
Sphenopholis obtusata (Michx.) Scribn. var. major (Torr.) K.S. Erdman
26568 Franklin 21 May 1935 J. E. Potzger
5084		 BUT
Sphenopholis obtusata (Michx.) Scribn. var. major (Torr.) K.S. Erdman
61653 Jennings 22 May 1942 J. E. Potzger
9141		 BUT
Sphenopholis obtusata (Michx.) Scribn. var. major (Torr.) K.S. Erdman
61669 Jefferson 23 May 1942 J. E. Potzger
9148		 BUT
Sphenopholis obtusata (Michx.) Scribn. var. major (Torr.) K.S. Erdman
61587 Jackson 24 May 1942 J. E. Potzger
9158		 BUT
Sphenopholis obtusata (Michx.) Scribn. var. major (Torr.) K.S. Erdman
23624 Porter 27 May 1934 J. E. Potzger
4188		 BUT
Sphenopholis obtusata (Michx.) Scribn. var. major (Torr.) K.S. Erdman
10593 Dubois 28 May 1932 J. E. Potzger
2529		 BUT
Sphenopholis obtusata (Michx.) Scribn. var. major (Torr.) K.S. Erdman
13059 Dubois 28 May 1932 J. E. Potzger
2529		 BUT
Sphenopholis obtusata (Michx.) Scribn. var. major (Torr.) K.S. Erdman
13060 Posey 29 May 1932 J. E. Potzger
2509		 BUT
Sphenopholis obtusata (Michx.) Scribn. var. obtusata
11370 Posey 29 May 1932 J. E. Potzger
2509		 BUT
Sphenopholis obtusata (Michx.) Scribn. var. obtusata
86623 Daviess 30 May 1949 J. E. Potzger
10986		 BUT
Sphenopholis obtusata (Michx.) Scribn. var. major (Torr.) K.S. Erdman
12183 Morgan 01 Jun 1932 J. E. Potzger
2581		 BUT
Sphenopholis obtusata (Michx.) Scribn. var. major (Torr.) K.S. Erdman
61199 Owen 02 Jun 1940 J. E. Potzger
8311		 BUT
Sphenopholis obtusata (Michx.) Scribn. var. major (Torr.) K.S. Erdman
74743 Tippecanoe 02 Jun 1945 J. E. Potzger
9758		 BUT
Sphenopholis obtusata (Michx.) Scribn. var. major (Torr.) K.S. Erdman
13758 Montgomery 03 Jun 1933 J. E. Potzger
3202		 BUT
Sphenopholis obtusata (Michx.) Scribn. var. major (Torr.) K.S. Erdman
13757 Montgomery 03 Jun 1933 J. E. Potzger
3215		 BUT
Sphenopholis obtusata (Michx.) Scribn. var. major (Torr.) K.S. Erdman
39106 Jennings 06 Jun 1936 J. E. Potzger
6928		 BUT
Sphenopholis obtusata (Michx.) Scribn. var. major (Torr.) K.S. Erdman
12629 Monroe 07 Jun 1932 J. E. Potzger
2555		 BUT
Sphenopholis obtusata (Michx.) Scribn. var. major (Torr.) K.S. Erdman
12130 Monroe 07 Jun 1932 J. E. Potzger
2555		 BUT
Sphenopholis obtusata (Michx.) Scribn. var. major (Torr.) K.S. Erdman
13668 Hamilton 08 Jun 1933 J. E. Potzger
3255		 BUT
Sphenopholis obtusata (Michx.) Scribn. var. major (Torr.) K.S. Erdman
13671 Hamilton 08 Jun 1933 J. E. Potzger
3255		 BUT
Sphenopholis obtusata (Michx.) Scribn. var. major (Torr.) K.S. Erdman
13775 Marion 08 Jun 1933 J. E. Potzger
3262		 BUT
Sphenopholis obtusata (Michx.) Scribn. var. major (Torr.) K.S. Erdman
38244 Madison 08 Jun 1937 J. E. Potzger
7441		 BUT
Sphenopholis obtusata (Michx.) Scribn. var. major (Torr.) K.S. Erdman
76481 Carroll 08 Jun 1946 J. E. Potzger
10194		 BUT
Sphenopholis obtusata (Michx.) Scribn. var. major (Torr.) K.S. Erdman
13702 Tippecanoe 10 Jun 1933 J. E. Potzger
3288		 BUT
Sphenopholis obtusata (Michx.) Scribn. var. obtusata
70004 Kosciusko 10 Jun 1939 J. E. Potzger
8111		 BUT
Sphenopholis obtusata (Michx.) Scribn. var. major (Torr.) K.S. Erdman
70003 Kosciusko 10 Jun 1939 J. E. Potzger
8112		 BUT
Sphenopholis obtusata (Michx.) Scribn. var. major (Torr.) K.S. Erdman
23528 Morgan 11 Jun 1934 J. E. Potzger
4249		 BUT
Sphenopholis obtusata (Michx.) Scribn. var. major (Torr.) K.S. Erdman
23641 Brown 11 Jun 1934 J. E. Potzger
4268		 BUT
Sphenopholis obtusata (Michx.) Scribn. var. major (Torr.) K.S. Erdman
23541 Bartholomew 11 Jun 1934 J. E. Potzger
4284		 BUT
Sphenopholis obtusata (Michx.) Scribn. var. major (Torr.) K.S. Erdman
67209 Rush 12 Jun 1943 J. E. Potzger
9411		 BUT
Sphenopholis obtusata (Michx.) Scribn. var. major (Torr.) K.S. Erdman
67236 Shelby 12 Jun 1943 J. E. Potzger
9436		 BUT
Sphenopholis obtusata (Michx.) Scribn. var. major (Torr.) K.S. Erdman
61458 Hendricks 13 Jun 1942 J. E. Potzger
9192		 BUT
Sphenopholis obtusata (Michx.) Scribn. var. major (Torr.) K.S. Erdman
76483 Whitley 13 Jun 1946 J. E. Potzger
10218		 BUT
Sphenopholis obtusata (Michx.) Scribn. var. major (Torr.) K.S. Erdman
76482 Noble 13 Jun 1946 J. E. Potzger
10232		 BUT
Sphenopholis obtusata (Michx.) Scribn. var. major (Torr.) K.S. Erdman
61554 Fulton 14 Jun 1941 J. E. Potzger
8854		 BUT
Sphenopholis obtusata (Michx.) Scribn. var. obtusata
55374 Fulton 14 Jun 1941 J. E. Potzger
8856		 BUT
Sphenopholis obtusata (Michx.) Scribn. var. major (Torr.) K.S. Erdman
55291 Pulaski 14 Jun 1941 J. E. Potzger
8876		 BUT
Sphenopholis obtusata (Michx.) Scribn. var. major (Torr.) K.S. Erdman
61545 Pulaski 14 Jun 1941 J. E. Potzger
8876		 BUT
Sphenopholis obtusata (Michx.) Scribn. var. major (Torr.) K.S. Erdman
80962 Porter 14 Jun 1946 J. E. Potzger
10264		 BUT
Sphenopholis obtusata (Michx.) Scribn. var. major (Torr.) K.S. Erdman
28695 Cass 15 Jun 1935 J. E. Potzger
6175		 BUT
Sphenopholis obtusata (Michx.) Scribn. var. major (Torr.) K.S. Erdman
29194 Cass 15 Jun 1935 J. E. Potzger
6186		 BUT
Sphenopholis obtusata (Michx.) Scribn. var. obtusata
70092 Harrison 15 Jun 1940 J. E. Potzger
8316		 BUT
Sphenopholis obtusata (Michx.) Scribn. var. major (Torr.) K.S. Erdman
70100 Harrison 15 Jun 1940 J. E. Potzger
8358		 BUT
Sphenopholis obtusata (Michx.) Scribn. var. obtusata
74731 Steuben 15 Jun 1945 J. E. Potzger
9794		 BUT
Sphenopholis obtusata (Michx.) Scribn. var. major (Torr.) K.S. Erdman
74913 LaGrange 15 Jun 1945 J. E. Potzger
9809		 BUT
Sphenopholis obtusata (Michx.) Scribn. var. major (Torr.) K.S. Erdman
70072 Harrison 16 Jun 1940 J. E. Potzger
8362		 BUT
Sphenopholis obtusata (Michx.) Scribn. var. obtusata
70137 Harrison 16 Jun 1940 J. E. Potzger
8362		 BUT
Sphenopholis obtusata (Michx.) Scribn. var. obtusata
40833 LaGrange 17 Jun 1937 J. E. Potzger
7488		 BUT
Sphenopholis obtusata (Michx.) Scribn. var. major (Torr.) K.S. Erdman
39329 LaGrange 17 Jun 1937 J. E. Potzger
7513		 BUT
Sphenopholis obtusata (Michx.) Scribn. var. major (Torr.) K.S. Erdman
70001 St. Joseph 17 Jun 1939 J. E. Potzger
8157		 BUT
Sphenopholis obtusata (Michx.) Scribn. var. major (Torr.) K.S. Erdman
67205 Carroll 18 Jun 1943 J. E. Potzger
9444		 BUT
Sphenopholis obtusata (Michx.) Scribn. var. major (Torr.) K.S. Erdman
38041 LaPorte 19 Jun 1937 J. E. Potzger
7535		 BUT
Sphenopholis obtusata (Michx.) Scribn. var. major (Torr.) K.S. Erdman
28277 Hamilton 22 Jun 1935 J. E. Potzger
6216		 BUT
Sphenopholis obtusata (Michx.) Scribn. var. major (Torr.) K.S. Erdman
28283 Madison 22 Jun 1935 J. E. Potzger
6228		 BUT
Sphenopholis obtusata (Michx.) Scribn. var. major (Torr.) K.S. Erdman
28328 Henry 22 Jun 1935 J. E. Potzger
6237		 BUT
Sphenopholis obtusata (Michx.) Scribn. var. major (Torr.) K.S. Erdman
28326 Henry 22 Jun 1935 J. E. Potzger
6237		 BUT
Sphenopholis obtusata (Michx.) Scribn. var. major (Torr.) K.S. Erdman
74911 Vermillion 23 Jun 1945 J. E. Potzger
9905		 BUT
Sphenopholis obtusata (Michx.) Scribn. var. major (Torr.) K.S. Erdman
74912 Vermillion 23 Jun 1945 J. E. Potzger
9917		 BUT
Sphenopholis obtusata (Michx.) Scribn. var. major (Torr.) K.S. Erdman
77406 DeKalb 29 Jun 1946 J. E. Potzger
10375		 BUT
Sphenopholis obtusata (Michx.) Scribn. var. major (Torr.) K.S. Erdman
28321 Montgomery 02 Jul 1935 J. E. Potzger
6275		 BUT
Sphenopholis obtusata (Michx.) Scribn. var. major (Torr.) K.S. Erdman
44867 Allen 02 Jul 1938 J. E. Potzger
7959		 BUT
Sphenopholis obtusata (Michx.) Scribn. var. obtusata
75160 Randolph 07 Jul 1945 J. E. Potzger
9922		 BUT
Sphenopholis obtusata (Michx.) Scribn. var. major (Torr.) K.S. Erdman
74773 Randolph 07 Jul 1945 J. E. Potzger
9926		 BUT
Sphenopholis obtusata (Michx.) Scribn. var. major (Torr.) K.S. Erdman
81045 Jasper 12 Jul 1947 J. E. Potzger
10861		 BUT
Sphenopholis obtusata (Michx.) Scribn. var. obtusata
15061 Hancock 15 Jul 1933 J. E. Potzger
3442		 BUT
Sphenopholis obtusata (Michx.) Scribn. var. major (Torr.) K.S. Erdman
28064 Steuben 19 Jul 1935 J. E. Potzger
6364		 BUT
Sphenopholis obtusata (Michx.) Scribn. var. major (Torr.) K.S. Erdman
74914 Vermillion 11 Aug 1945 J. E. Potzger
9980		 BUT
Sphenopholis obtusata (Michx.) Scribn. var. major (Torr.) K.S. Erdman
99092 Lawrence 08 Jun 1933 Ralph M. Kriebel
 BUT
Sphenopholis obtusata (Michx.) Scribn. var. major (Torr.) K.S. Erdman
15225 Lawrence 08 Jun 1933 Ralph M. Kriebel
 BUT
Sphenopholis obtusata (Michx.) Scribn. var. obtusata
40104 Marion 28 May 1936 Ray C. Friesner
9622		 BUT
Sphenopholis obtusata (Michx.) Scribn. var. major (Torr.) K.S. Erdman
21762 Montgomery 03 Jun 1933 Ray C. Friesner
5699		 BUT
Sphenopholis obtusata (Michx.) Scribn. var. major (Torr.) K.S. Erdman
103274 Kosciusko 10 Jun 1939 Ray C. Friesner
8111		 BUT
Sphenopholis obtusata (Michx.) Scribn. var. major (Torr.) K.S. Erdman
103225 Kosciusko 10 Jun 1939 Ray C. Friesner
8112		 BUT
Sphenopholis obtusata (Michx.) Scribn. var. major (Torr.) K.S. Erdman
91231 Hamilton 10 Jun 1950 Ray C. Friesner
23412		 BUT
Sphenopholis obtusata (Michx.) Scribn. var. major (Torr.) K.S. Erdman
42899 Switzerland 11 Jun 1938 Ray C. Friesner
11992		 BUT
Sphenopholis obtusata (Michx.) Scribn. var. major (Torr.) K.S. Erdman
40082 Hamilton 12 Jun 1937 Ray C. Friesner
10602		 BUT
Sphenopholis obtusata (Michx.) Scribn. var. major (Torr.) K.S. Erdman
47399 St. Joseph 17 Jun 1939 Ray C. Friesner
13585		 BUT
Sphenopholis obtusata (Michx.) Scribn. var. major (Torr.) K.S. Erdman
103220 St. Joseph 17 Jun 1939 Ray C. Friesner
8157		 BUT
Sphenopholis obtusata (Michx.) Scribn. var. major (Torr.) K.S. Erdman
38652 DeKalb 19 Jun 1937 Ray C. Friesner
10675		 BUT
Sphenopholis obtusata (Michx.) Scribn. var. major (Torr.) K.S. Erdman
38668 DeKalb 19 Jun 1937 Ray C. Friesner
10748		 BUT
Sphenopholis obtusata (Michx.) Scribn. var. major (Torr.) K.S. Erdman
39115 Wells 26 Jun 1937 Ray C. Friesner
10837		 BUT
Sphenopholis obtusata (Michx.) Scribn. var. major (Torr.) K.S. Erdman
39575 Wells 26 Jun 1937 Ray C. Friesner
10869		 BUT
Sphenopholis obtusata (Michx.) Scribn. var. major (Torr.) K.S. Erdman
80821 DeKalb 28 Jun 1947 Ray C. Friesner
10821		 BUT
Sphenopholis obtusata (Michx.) Scribn. var. major (Torr.) K.S. Erdman
32783 Knox 30 May 1936 Scott McCoy
4363		 BUT
Sphenopholis obtusata (Michx.) Scribn. var. major (Torr.) K.S. Erdman
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