Diarrhena obovata - (Gleason) Brandenburg
Beak Grass
Other English Common Names: Ovate Beakgrass
Synonym(s): Diarrhena americana var. obovata Gleason
Taxonomic Status: Accepted
Related ITIS Name(s): Diarrhena obovata (Gleason) Brandenburg (TSN 506940)
French Common Names: diarrhène obovée
Unique Identifier: ELEMENT_GLOBAL.2.153015
Element Code: PMPOA23020
Informal Taxonomy: Plants, Vascular - Flowering Plants - Grass Family
 
Kingdom Phylum Class Order Family Genus
Plantae Anthophyta Monocotyledoneae Cyperales Poaceae Diarrhena
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Concept Reference
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Concept Reference: Kartesz, J.T. 1994. A synonymized checklist of the vascular flora of the United States, Canada, and Greenland. 2nd edition. 2 vols. Timber Press, Portland, OR.
Concept Reference Code: B94KAR01HQUS
Name Used in Concept Reference: Diarrhena obovata
Taxonomic Comments: Formerly included in Diarrhena americana as var. obovata; considered a distinct species here, following Kartesz (1994 checklist). Reports of "D. americana" from west of the Mississippi are presumably D. ovata instead.
Conservation Status
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NatureServe Status

Global Status: G4G5
Global Status Last Reviewed: 05Oct1995
Global Status Last Changed: 05Oct1995
Rounded Global Status: G4 - Apparently Secure
Reasons: Moderately large midwestern range; abundance unclear.
Nation: United States
National Status: N4N5
Nation: Canada
National Status: N1 (13Jun2017)

U.S. & Canada State/Province Status
Due to latency between updates made in state, provincial or other NatureServe Network databases and when they appear on NatureServe Explorer, for state or provincial information you may wish to contact the data steward in your jurisdiction to obtain the most current data. Please refer to our Distribution Data Sources to find contact information for your jurisdiction.
United States Arkansas (SNR), Illinois (S4), Indiana (S4), Iowa (SNR), Kansas (SNR), Kentucky (S2?), Maryland (SNR), Michigan (S2), Minnesota (S1), Missouri (S4S5), Nebraska (S4), New York (S2), Ohio (SNR), Oklahoma (SNR), Pennsylvania (S4), South Dakota (SNR), Tennessee (S1), Texas (SNR), Virginia (S1), West Virginia (S1), Wisconsin (S2)
Canada Ontario (S1)

Other Statuses

Committee on the Status of Endangered Wildlife in Canada (COSEWIC): Candidate (Medium) (26Jan2015)

NatureServe Global Conservation Status Factors

Range Extent Comments: A grass that is generally considered a western plant with the center of its range described as Indiana to South Dakota, Kansas, and Texas. Disjunct populations have been reported from New York, Maryland, Delaware, and Virginia.

Other NatureServe Conservation Status Information

Distribution
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Global Range: A grass that is generally considered a western plant with the center of its range described as Indiana to South Dakota, Kansas, and Texas. Disjunct populations have been reported from New York, Maryland, Delaware, and Virginia.

U.S. States and Canadian Provinces

Due to latency between updates made in state, provincial or other NatureServe Network databases and when they appear on NatureServe Explorer, for state or provincial information you may wish to contact the data steward in your jurisdiction to obtain the most current data. Please refer to our Distribution Data Sources to find contact information for your jurisdiction.
Color legend for Distribution Map

U.S. & Canada State/Province Distribution
United States AR, IA, IL, IN, KS, KY, MD, MI, MN, MO, NE, NY, OH, OK, PA, SD, TN, TX, VA, WI, WV
Canada ON

Range Map
No map available.


U.S. Distribution by County Help
State County Name (FIPS Code)
KY Bell (21013), Livingston (21139)*, Lyon (21143)
MN Fillmore (27045)
NY Ulster (36111)
PA Bedford (42009), Franklin (42055), Huntingdon (42061), Perry (42099)
TN Davidson (47037), Hickman (47081), Montgomery (47125), Rutherford (47149), Wilson (47189)
WI Crawford (55023), Dunn (55033), Eau Claire (55035), Iowa (55049), Jackson (55053), Lafayette (55065), Marquette (55077), Pepin (55091), Rock (55105), Vernon (55123)
WV Berkeley (54003), Grant (54023), Hampshire (54027), Jefferson (54037), Morgan (54065)
* Extirpated/possibly extirpated
U.S. Distribution by Watershed Help
Watershed Region Help Watershed Name (Watershed Code)
02 Rondout (02020007)+, Raystown (02050303)+, Lower Juniata (02050304)+, Lower Susquehanna-Swatara (02050305)+, South Branch Potomac (02070001)+, Cacapon-Town (02070003)+, Conococheague-Opequon (02070004)+, Shenandoah (02070007)+
04 Upper Fox (04030201)+
05 Upper Cumberland (05130101)+, Lower Cumberland-Old Hickory Lake (05130201)+, Stones (05130203)+, Lower Cumberland (05130205)+, Lower Ohio-Bay (05140203)+*
06 Lower Duck (06040003)+
07 Black (07040007)+, Root (07040008)+, Lower Chippewa (07050005)+, Grant-Little Maquoketa (07060003)+, Kickapoo (07070006)+, Pecatonica (07090003)+, Sugar (07090004)+
+ Natural heritage record(s) exist for this watershed
* Extirpated/possibly extirpated
Ecology & Life History Not yet assessed
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Economic Attributes Not yet assessed
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Management Summary Not yet assessed
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Population/Occurrence Delineation Not yet assessed
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Population/Occurrence Viability
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U.S. Invasive Species Impact Rank (I-Rank) Not yet assessed
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Authors/Contributors
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NatureServe Conservation Status Factors Edition Date: 05Oct1995
NatureServe Conservation Status Factors Author: Morse, Larry E. (1995)

Botanical data developed by NatureServe and its network of natural heritage programs (see Local Programs), The North Carolina Botanical Garden, and other contributors and cooperators (see Sources).

References
Help
  • Brandenburg, D. M. 2007. Diarrhena. Pages 64-66 in Flora of North America Editorial Committee, editors. Flora of North America north of Mexico. Volume 24. Oxford University Press, New York, New York.

  • Brandenburg, D. M., J. R. Estes, and S. L. Collins. 1991. A revision of Diarrhena (Poaceae) in the United States. Bulletin of the Torrey Botanical Club 118:128-136.

  • Brandenburg, D.M., J.R. Estes, and S.L. Collins. 1991. A revision of Diarrhena (Poaceae) in the United States. Bulletin of the Torrey Botanical Club 118(2): 128-136.

  • Fernald, M.L. 1950. Gray's manual of botany. 8th edition. D. Van Nostrand, New York. 1632 pp.

  • Gleason, H.A. & Cronquist, A. 1991. Manual of Vascular Plants of Northeastern United States and Adjacent Canada. Second Edition. The New York Botanical Garden. Bronx, NY 10458. U.S.A. B91GLE01PAUS.

  • Gleason, H.A. 1952. The new Britton and Brown illustrated flora of the northeastern United States and adjacent Canada. 3 volumes. Hafner Press, New York. 1732 pp.

  • Gleason, H.A. and A. Cronquist. 1991. Manual of Vascular Plants of Northeastern United States and Adjacent Canada. Second Edition. New York Botanical Garden, Bronx, New York. lxxv + 910 pp.

  • Gleason, Henry A. and A. Cronquist. 1991. Manual of Vascular Plants of Northeastern United States and Adjacent Canada. The New York Botanical Garden, Bronx, New York. 910 pp.

  • Holmgren, Noel. 1998. The Illustrated Companion to Gleason and Cronquist's Manual. Illustrations of the Vascular Plants of Northeastern United States and Adjacent Canada. The New York Botanical Garden, Bronx, New York.

  • Kartesz, J.T. 1994. A synonymized checklist of the vascular flora of the United States, Canada, and Greenland. 2nd edition. 2 vols. Timber Press, Portland, OR.

  • Kartesz, J.T. 1996. Species distribution data at state and province level for vascular plant taxa of the United States, Canada, and Greenland (accepted records), from unpublished data files at the North Carolina Botanical Garden, December, 1996.

  • Koyama, T. and S. Kawano. 1964. Critical taxa of grasses with North American and Eastern Asiatic distribution. Canadian Journal of Botany 42:859-884.

  • Minnesota Department of Natural Resources, Division of Ecological Resources. 2008. Rare species guide: an online encyclopedia of Minnesota's rare native plants and animals [Web Application]. Minnesota Department of Natural Resources, St. Paul, Minnesota.  Accessed 1 July 2009.

  • Minnesota Department of Natural Resources, Division of Fish and Wildlife. 1995. Statement of need and reasonableness in the matter of proposed amendment of Minnesota Rules, Chapter 6134: endangered and threatened species. Minnesota Department of Natural Resources, St. Paul, Minnesota. 336 pp.

  • Minnesota Department of Natural Resources. 2005. Field guide to the native plant communities of Minnesota: the eastern broadleaf forest province. Ecological Land Classification Program, Minnesota County Biological Survey, and Natural Heritage and Nongame Research Program. Minnesota Department of Natural Resources, St. Paul, Minnesota. 394 pp.

  • Mitchell, Richard S. and Gordon C. Tucker. 1997. Revised Checklist of New York State Plants. Contributions to a Flora of New York State. Checklist IV. Bulletin No. 490. New York State Museum. Albany, NY. 400 pp.

  • Natural Heritage Program Files. 1996. Unpublished.

  • New York Natural Heritage Program. 2010. Biotics database. New York Natural Heritage Program. New York State Department of Environmental Conservation. Albany, NY.

  • O'Connor, R. P., and M. R. Penskar. 2004. Special plant abstract for Diarrhena americana (American Beak
    Grass). Michigan Natural Features Inventory, Lansing, Michigan. . Accessed 10 June 2009.

  • Oldham, M.J., S.J. Darbyshire, D. McLeod, D.A. Sutherland, D. Tiedje and J.M. Bowles. 1995 (1996). New and noteworthy Ontario grass (Poaceae) records. Michigan Botanist 34:105-132.

  • Oldham, M.J., and W.J. Crins. 1998. Atlas of the Vascular Flora of southern Ontario. Draft 2. Natural Heritage Information Centre, Ontario Ministry of Natural Resources, Peterborough, Ontario. 378 pp.

  • Reschke, Carol. 1990. Ecological communities of New York State. New York Natural Heritage Program, New York State Department of Environmental Conservation. Latham, NY. 96 pp. plus xi.

  • Voss, E.G. 1972. Michigan Flora, Part I. Gymnosperms and Monocots. Cranbrook Institute of Science Bulletin 55 and the University of Michigan Herbarium. Ann Arbor. 488 pp.

  • Walck, J. L. 1996. Distribution, life forms, taxonomic categories, and habitats of the endangered and threatened vascular plants in Pennsylvania: a summary. Bartonia 59:49-54.

  • Weldy, T. and D. Werier. 2010. New York flora atlas. [S.M. Landry, K.N. Campbell, and L.D. Mabe (original application development), Florida Center for Community Design and Research http://www.fccdr.usf.edu/. University of South Florida http://www.usf.edu/]. New York Flora Association http://wwws.nyflora.org/, Albany, New York

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