Diarrhena americana

ClassificationMonocots
FamilyPoaceae
Family (Traditional)Poaceae
GenusDiarrhena
Species:Diarrhena americana P. Beauv.
Common NameAmerican Beakgrain
Growth Habitgraminoid
Plant Notes**
CharacteristicsArmaments: No; Milky Sap: No; Photosynthetic: Yes; Stipules: No; Woody Herbaceous: Herbaceous; Natural Area Presence: BEH; Natural Area Presence: FCFSP; Natural Area Presence: FG; Natural Area Presence: LCW; Natural Area Presence: ObedWSR; Natural Area Presence: SGSNA; Natural Area Presence: SM; Natural Area Presence: WOLF; Duration: Perennial; General Ecology: Terrestrial; Growth Habit: graminoid; Moisture Requirements: Sub-xeric; Moisture Requirements: Dry-mesic; Region of Origin: North America; Reproductive Phenology: July; Reproductive Phenology: August; Reproductive Phenology: September; Reproductive Phenology: October; Leaf Arrangement: alternate; Leaf Arrangement: basal; Leaf Complexity: simple; Leaf Dissection: 0; Leaf Persistance: Deciduous; Leaf Petiole Type: sessile; Leaf Type: grass-like; Leaf Venation: parallel; Leaflet Margins: entire; Leaflet Number: 0; Base Flower Color: Brown (incl. Maroon); Base Flower Color: Green; Fruit Dehiscence: No; Fruit Type: Caryopsis; Fruit Type: Grain; Fruit Wet/Dry: Dry; Hypanthium Present: No; Ovary Position: Superior; Overall Flower Symmetry: N/A; Perianth Present: No; Placentation Type: Parietal; Placentation Type: Basal; Sporangium Arrangement: N/A
C value 7
StatusNative; TN[SNR] KY[S5] (State Rank); G4G5 (Global Rank)
Specimen(s) View and Download Specimen Details »

** Not applicable or data not available.

Species Distribution Map

This species has been reported in the counties highlighted in the interactive distribution map below. Click on a county to display the its name. Click the question mark icon () to view additional information about the ecoregions shown. In the map legend, there are links to toggle the visibility of the ecoregions and/or their labels. In addition, clicking on an ecoregion name will highlight that region on the map.

  • State Boundaries
  • Counties
  • Counties - Species Present
Ecoregions
  • Southeastern Plains
    • Blackland Prarie
  • Blue Ridge Mountains
  • Ridge and Valley
  • Cumberland Plateau
  • Cumberland Mountains
  • Allegheny Plateau
  • Interior Plateau
    • Bluegrass Region
    • Nashville Basin
    • Pennyroyal Karst Plain
    • Western Highland Rim
    • Eastern Highland Rim

Synonyms

SynonymFull Citation
Diarina sylvatica Diarina sylvatica Raf.
Diarrhena arundinacea Diarrhena arundinacea (Zea ex Lag.) Rydb.
Diarrhena diandra Diarrhena diandra Alph. Wood
Diarrhena festucoides Diarrhena festucoides (Raf.) Fernald
Festuca americana Festuca americana Michx. ex P. Beauv.
Roemeria zeae Roemeria zeae Roem. & Schult.

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.

Counties included on distribution map: Anderson (KY), Barren (KY), Bath (KY), Breckinridge (KY), Bullitt (KY), Caldwell (KY), Campbell (KY), Carter (KY), Clinton (KY), Cumberland (KY), Edmonson (KY), Estill (KY), Fayette (KY), Fleming (KY), Floyd (KY), Franklin (KY), Garrard (KY), Grant (KY), Hancock (KY), Harlan (KY), Hickman (KY), Jackson (KY), Jessamine (KY), Knott (KY), Lee (KY), Letcher (KY), Livingston (KY), Lyon (KY), Madison (KY), Martin (KY), Menifee (KY), Mercer (KY), Morgan (KY), Ohio (KY), Oldham (KY), Owen (KY), Pike (KY), Powell (KY), Rockcastle (KY), Rowan (KY), Todd (KY), Trigg (KY), Warren (KY), Woodford (KY), Bedford (TN), Cannon (TN), Carter (TN), Cheatham (TN), Cumberland (TN), Davidson (TN), DeKalb (TN), Franklin (TN), Grundy (TN), Hawkins (TN), Jackson (TN), Johnson (TN), Marion (TN), Montgomery (TN), Morgan (TN), Overton (TN), Sevier (TN), Sullivan (TN), Sumner (TN), Van Buren (TN), Warren (TN), Wilson (TN)

Herbaria represented by specimen data listed below: APSC, BEREA, BOON, EKY, ETSU, KNK, MDKY, TENN, UCHT, UOS

Range of years during which specimens were collected: 1947 - 2019

Accession No. (click for full details) County State Coll. Date Collector &
Collection No.
Herbarium &
Herbarium Name Used
31234100780517 Powell Kentucky 28 Jul 2017 Thomas McFadden
647
EKY
Diarrhena americana
31234100774627 Powell Kentucky 31 Jul 1988 Ross C. Clark
21699
EKY
Diarrhena americana
N/A Caldwell Kentucky 01 Oct 1980 Richard H. Hannan
KEP-1-5789
EKY
Diarrhena americana
N/A Floyd Kentucky 20 Jun 1979 Richard H. Hannan
2435
EKY
Diarrhena americana
N/A Caldwell Kentucky 27 Jun 1957 Mary Beckett
227
EKY
Diarrhena americana
N/A Madison Kentucky 31 Jul 1978 J. Stuart Lassetter
3147
EKY
Diarrhena americana
N/A Warren Tennessee 27 Jun 1979 Thomas S. Patrick
2621
EKY
Diarrhena americana
N/A Menifee Kentucky 30 Apr 1988 Ross C. Clark
21150
EKY
Diarrhena americana
BEREA006056 Madison Kentucky
BEREA
Diarrhena americana
BEREA006058 Rockcastle Kentucky
BEREA
Diarrhena americana
31973000021523 Rockcastle Kentucky 20 Aug 1997 Thompson, Ralph
AF-211
KNK
Diarrhena americana
MDKY00004300 Knott Kentucky
MDKY
Diarrhena americana
MDKY00004290 Fleming Kentucky
MDKY
Diarrhena americana
MDKY00004301 Bath Kentucky
MDKY
Diarrhena americana
N/A Lee Kentucky 17 Jul 1979 Richard H. Hannan
3042
EKY
Diarrhena americana
N/A Estill Kentucky 10 Jun 1981 Richard H. Hannan
6968
EKY
Diarrhena americana
31234100186509 Powell Kentucky 09 Aug 1985 Floyd Swink
5769
EKY
Diarrhena americana
31234100195344 Cumberland Kentucky 07 Sep 1997 Carrie L. Tilton
52
EKY
Diarrhena americana
BEREA006060 Cannon Tennessee
BEREA
Diarrhena americana
ETSU003073 Carter Tennessee
ETSU
Diarrhena americana
ETSU003075 Carter Tennessee
ETSU
Diarrhena americana
ETSU003076 Sullivan Tennessee
ETSU
Diarrhena americana
ETSU005855 Carter Tennessee 08 Oct 2015 Frosty Levy
ETSU
Diarrhena americana
MDKY00004291 Fleming Kentucky
MDKY
Diarrhena americana
MDKY00004299 Menifee Kentucky
MDKY
Diarrhena americana
MDKY00004302 Carter Kentucky
MDKY
Diarrhena americana
MDKY00004293 Knott Kentucky
MDKY
Diarrhena americana
MDKY00004295 Barren Kentucky
MDKY
Diarrhena americana
TENN-V-0032228 Madison Kentucky
TENN
Diarrhena americana
N/A Hancock Kentucky 25 Jun 1957 Mary Beckett
146
EKY
Diarrhena americana
N/A Franklin Kentucky 05 Nov 1979 John MacGregor
FR-217
EKY
Diarrhena americana
N/A Powell Kentucky 31 Jul 1988 Ross C. Clark
21699
EKY
Diarrhena americana
N/A Clinton Kentucky 26 Jul 1999 Mark A. Gorton
99-577
EKY
Diarrhena americana
31234100775947 Menifee Kentucky 30 Apr 1988 Ross C. Clark
21150
EKY
Diarrhena americana
N/A Powell Kentucky 17 Oct 1998 Ross C. Clark
24093
EKY
Diarrhena americana
N/A Todd Kentucky 12 Jun 1980 Richard H. Hannan
4133
EKY
Diarrhena americana
N/A Campbell Kentucky 01 Oct 1996 Robert F. C. Naczi
5908
EKY
Diarrhena americana
N/A Todd Kentucky 08 Oct 1980 Richard H. Hannan
5981
EKY
Diarrhena americana
BEREA006059 Rockcastle Kentucky
BEREA
Diarrhena americana
31973000021518 Madison Kentucky 13 Aug 1997 Naczi, Robert
6789
KNK
Diarrhena americana
TENN-V-0032189 Davidson Tennessee
TENN
Diarrhena americana
TENN-V-0032224 Trigg Kentucky
TENN
Diarrhena americana
TENN-V-0032191 DeKalb Tennessee
TENN
Diarrhena americana
N/A Estill Kentucky 24 Aug 1988 Richard G. Guetig
887
EKY
Diarrhena americana
N/A Breckinridge Kentucky 19 Jun 1980 Richard H. Hannan
4290
EKY
Diarrhena americana
N/A Powell Kentucky 17 Oct 1998 Ross C. Clark
24093
EKY
Diarrhena americana
N/A Powell Kentucky 31 Jul 1988 Ross c. Clark
21699
EKY
Diarrhena americana
N/A Woodford Kentucky 01 Sep 1978 J. Stuart Lassetter
3171A
EKY
Diarrhena americana
N/A Jessamine Kentucky 28 Jul 1982 Ronald L. Jones
3899
EKY
Diarrhena americana
N/A Rowan Kentucky 10 Jul 1979 Richard H. Hannan
2835
EKY
Diarrhena americana
31973000021520 Fayette Kentucky 27 Jun 1997 Naczi, Robert
6767
KNK
Diarrhena americana
MDKY00004294 Livingston Kentucky
MDKY
Diarrhena americana
MDKY00004292 Rowan Kentucky
MDKY
Diarrhena americana
MDKY00004298 Madison Kentucky
MDKY
Diarrhena americana
MDKY00004289 Fleming Kentucky
MDKY
Diarrhena americana
TENN-V-0032198 Montgomery Tennessee
TENN
Diarrhena americana
TENN-V-0241296 Cheatham Tennessee
TENN
Diarrhena americana
TENN-V-0032223 Woodford Kentucky
TENN
Diarrhena americana
N/A Bath Kentucky 02 Jun 1981 Richard H. Hannan
6700
EKY
Diarrhena americana
31234100774155 Powell Kentucky 17 Oct 1998 Ross C. Clark
24093
EKY
Diarrhena americana
N/A Harlan Kentucky 27 Sep 1978 Richard H. Hannan
461
EKY
Diarrhena americana
N/A Ohio Kentucky 24 Jul 1980 Richard H. Hannan
4712
EKY
Diarrhena americana
N/A Letcher Kentucky 01 Jan 1975 William H. Martin
EKY
Diarrhena americana
N/A Pike Kentucky 10 Oct 1978 Richard H. Hannan
KEP-1-775
EKY
Diarrhena americana
ETSU003077 Sumner Tennessee
ETSU
Diarrhena americana
31973000021528 Campbell Kentucky 01 Oct 1996 Naczi, Robert
5908
KNK
Diarrhena americana
31973000021527 Campbell Kentucky 01 Oct 1996 Naczi, Robert
5908
KNK
Diarrhena americana
TENN-V-0032216 Woodford Kentucky
TENN
Diarrhena americana
TENN-V-0032190 DeKalb Tennessee
TENN
Diarrhena americana
TENN-V-0032207 Warren Tennessee
TENN
Diarrhena americana
TENN-V-0032208 Wilson Tennessee
TENN
Diarrhena americana
TENN-V-0032220 Garrard Kentucky
TENN
Diarrhena americana
N/A Jackson Kentucky 19 Jul 1979 Richard H. Hannan
3169
EKY
Diarrhena americana
31234100195336 Cumberland Kentucky 07 Sep 1997 Carrie L. Tilton
53
EKY
Diarrhena americana
N/A Menifee Kentucky 30 Apr 1988 R.C. Clark
21150
EKY
Diarrhena americana
31234100779113 Menifee Kentucky 05 Jun 2017 Thomas McFadden
510
EKY
Diarrhena americana
N/A Livingston Kentucky 03 Oct 1973 Raymond Athey
2636
EKY
Diarrhena americana
N/A Warren Kentucky 08 Jul 1980 Richard H. Hannan
4381
EKY
Diarrhena americana
31973000021526 Campbell Kentucky 20 Jul 1980 Buddell, George
188
KNK
Diarrhena americana
31973000021524 Campbell Kentucky 04 Oct 1978 Thieret, John
50777
KNK
Diarrhena americana
31973000021519 Grant Kentucky 10 Oct 2003 Thieret, John
61665
KNK
Diarrhena americana
31973000021525 Campbell Kentucky 07 Jul 1979 Thieret, John
51191
KNK
Diarrhena americana
TENN-V-0032193 Grundy Tennessee
TENN
Diarrhena americana
TENN-V-0032210 Montgomery Tennessee
TENN
Diarrhena americana
TENN-V-0032225 Mercer Kentucky
TENN
Diarrhena americana
TENN-V-0032221 Hickman Kentucky
TENN
Diarrhena americana
31234100195328 Jessamine Kentucky 07 Sep 1963 Elizabeth M. Browne
8031
EKY
Diarrhena americana
N/A Estill Kentucky 18 Sep 1987 Richard G. Guetig
398
EKY
Diarrhena americana
N/A Anderson Kentucky 26 Jun 1978 William S. Bryant
423
EKY
Diarrhena americana
N/A Fleming Kentucky 21 Jun 2000 Kim Feeman
1191
EKY
Diarrhena americana
N/A Martin Kentucky 17 Oct 1978 Richard H. Hannan
KEP-1-845
EKY
Diarrhena americana
N/A Caldwell Kentucky 29 Aug 1969 Raymond Athey
790
EKY
Diarrhena americana
N/A Edmonson Kentucky 10 Sep 1980 Richard H. Hannan
5484
EKY
Diarrhena americana
BEREA006057 Rockcastle Kentucky
BEREA
Diarrhena americana
31973000021522 Owen Kentucky 22 Aug 1997 Naczi, Robert
6900
KNK
Diarrhena americana
31973000021529 Rowan Kentucky 08 Nov 1985 Thieret, John
56266
KNK
Diarrhena americana
TENN-V-0032206 Warren Tennessee
TENN
Diarrhena americana
TENN-V-0032194 Jackson Tennessee
TENN
Diarrhena americana
TENN-V-0032187 Cheatham Tennessee
TENN
Diarrhena americana
UCHT002830 Grundy Tennessee
UCHT
Diarrhena americana
N/A Anderson Kentucky 18 Jul 1978 William S. Bryant
592
EKY
Diarrhena americana
N/A Jackson Kentucky 19 Jul 1979 Richard H. Hannan
3163
EKY
Diarrhena americana
N/A Anderson Kentucky 02 Sep 1979 William S. Bryant
612
EKY
Diarrhena americana
N/A Fayette Kentucky 01 Jan 1997 Danny Husband
573
EKY
Diarrhena americana
ETSU003074 Johnson Tennessee
ETSU
Diarrhena americana
MDKY00004297 Powell Kentucky
MDKY
Diarrhena americana
TENN-V-0032199 Morgan Tennessee
TENN
Diarrhena americana
TENN-V-0032185 Bedford Tennessee
TENN
Diarrhena americana
TENN-V-0032203 Sumner Tennessee
TENN
Diarrhena americana
TENN-V-0032227 Menifee Kentucky
TENN
Diarrhena americana
TENN-V-0032200 Overton Tennessee
TENN
Diarrhena americana
TENN-V-0032217 Livingston Kentucky
TENN
Diarrhena americana
TENN-V-0032196 Marion Tennessee
TENN
Diarrhena americana
APSC0096384 Powell Kentucky
APSC
Diarrhena americana
APSC0069183 Oldham Kentucky
APSC
Diarrhena americana
MDKY00004296 Morgan Kentucky
MDKY
Diarrhena americana
TENN-V-0032186 Bedford Tennessee
TENN
Diarrhena americana
TENN-V-0032188 Cumberland Tennessee
TENN
Diarrhena americana
TENN-V-0032222 Powell Kentucky
TENN
Diarrhena americana
TENN-V-0032218 Franklin Kentucky
TENN
Diarrhena americana
APSC0033982 Montgomery Tennessee 23 Aug 1982 Edward Chester
APSC
Diarrhena americana
APSC0033981 Montgomery Tennessee 24 Aug 1947 Alfred Clebsch
APSC
Diarrhena americana
APSC0033976 Trigg Kentucky
APSC
Diarrhena americana
BEREA025386 Madison Kentucky
BEREA
Diarrhena americana
BEREA025326 Rockcastle Kentucky
BEREA
Diarrhena americana
TENN-V-0032219 Caldwell Kentucky
TENN
Diarrhena americana
TENN-V-0032192 Franklin Tennessee
TENN
Diarrhena americana
TENN-V-0032202 Sevier Tennessee
TENN
Diarrhena americana
UCHT002829 Grundy Tennessee
UCHT
Diarrhena americana
UCHT002831 Marion Tennessee
UCHT
Diarrhena americana
008837 Van Buren Tennessee
BOON
Diarrhena americana
APSC0033980 Trigg Kentucky
APSC
Diarrhena americana
APSC0096399 Pike Kentucky
APSC
Diarrhena americana
BEREA025388 Madison Kentucky
BEREA
Diarrhena americana
ETSU026610 Hawkins Tennessee 25 Aug 2019 Frosty Levy, Elaine Walker
19765
ETSU
Diarrhena americana
N/A Hawkins Tennessee 14 May 2019 Frosty Levy, Elaine Walker
ETSU
Diarrhena americana
TENN-V-0032215 Anderson Kentucky
TENN
Diarrhena americana
TENN-V-0032209 Wilson Tennessee
TENN
Diarrhena americana
TENN-V-0032205 Van Buren Tennessee
TENN
Diarrhena americana
TENN-V-0032226 Livingston Kentucky
TENN
Diarrhena americana
UCHT002832 Marion Tennessee
UCHT
Diarrhena americana
APSC0096386 Pike Kentucky
APSC
Diarrhena americana
APSC0033979 Lyon Kentucky
APSC
Diarrhena americana
TENN-V-0243887 Van Buren Tennessee
TENN
Diarrhena americana
TENN-V-0243888 Davidson Tennessee
TENN
Diarrhena americana
ETSU026077 Hawkins Tennessee 14 May 2019 Frosty Levy, Elaine Walker
19241
ETSU
Diarrhena americana
ETSU026243 Hawkins Tennessee 01 Jun 2019 Frosty Levy, Elaine Walker
19407
ETSU
Diarrhena americana
UCHT002833 Marion Tennessee
UCHT
Diarrhena americana
APSC0096397 Powell Kentucky
APSC
Diarrhena americana
APSC0033978 Trigg Kentucky
APSC
Diarrhena americana
APSC0033985 Montgomery Tennessee 22 Oct 1981 Edward Chester
APSC
Diarrhena americana
APSC0115317 Davidson Tennessee
APSC
Diarrhena americana
UOS07775 Franklin Tennessee 13 Jun 1985 R.K. Clements
UOS
Diarrhena americana
APSC0118907 Estill Kentucky
APSC
Diarrhena americana
APSC0096395 Bullitt Kentucky
APSC
Diarrhena americana
APSC0096385 Trigg Kentucky
APSC
Diarrhena americana
APSC0033975 Lyon Kentucky
APSC
Diarrhena americana
APSC0050751 Edmonson Kentucky 21 Jul 1988 Landon McKinney
APSC
Diarrhena americana
UOS07774 Van Buren Tennessee 21 Jul 2001 Chris A. Fleming
UOS
Diarrhena americana
N/A Hawkins Tennessee 25 Aug 2019 Frosty Levy, Elaine Walker
ETSU
Diarrhena americana
TENN-V-0032211 Wilson Tennessee
TENN
Diarrhena americana
APSC0063474 Menifee Kentucky
APSC
Diarrhena americana
APSC0096393 Oldham Kentucky
APSC
Diarrhena americana
TENN-V-0032197 Marion Tennessee
TENN
Diarrhena americana
TENN-V-0032195 Hawkins Tennessee
TENN
Diarrhena americana
APSC0033977 Lyon Kentucky
APSC
Diarrhena americana
APSC0063473 Trigg Kentucky
APSC
Diarrhena americana
APSC0096398 Harlan Kentucky
APSC
Diarrhena americana
APSC0096387 Oldham Kentucky
APSC
Diarrhena americana
APSC0096400 Carter Kentucky
APSC
Diarrhena americana
UOS07773 Franklin Tennessee 04 Jun 2010 Mary P. Priestley
UOS
Diarrhena americana
N/A Hawkins Tennessee 01 Jun 2019 Frosty Levy, Elaine Walker
ETSU
Diarrhena americana
TENN-V-0032201 Sevier Tennessee
TENN
Diarrhena americana
TENN-V-0032204 Sumner Tennessee
TENN
Diarrhena americana
APSC0068937 Bullitt Kentucky
APSC
Diarrhena americana
APSC0069408 Oldham Kentucky
APSC
Diarrhena americana
APSC0096396 Bullitt Kentucky
APSC
Diarrhena americana
UCHT035810 Cumberland Tennessee
UCHT
Diarrhena americana
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Plant Photos

Diarrhena americana - Dwayne Estes
Diarrhena americana - Dwayne Estes
Diarrhena americana - Dwayne Estes
Diarrhena americana - Dwayne Estes
Diarrhena americana - Dwayne Estes
Diarrhena americana - Dwayne Estes
Diarrhena americana - Dwayne Estes
Diarrhena americana - Dwayne Estes
Diarrhena americana - Milo Pyne
Diarrhena americana - Milo Pyne
Diarrhena americana - Milo Pyne
Diarrhena americana - Milo Pyne
Diarrhena americana - Tara Littlefield
Diarrhena americana - Tara Littlefield
Diarrhena americana - Tara Littlefield
Diarrhena americana - Tara Littlefield
Diarrhena americana - Theo Witsell
Diarrhena americana - Theo Witsell
Diarrhena americana - Joey Shaw
Diarrhena americana - Joey Shaw
Diarrhena americana - Joey Shaw
Diarrhena americana - Joey Shaw