Poa saltuensis ssp. languida - (Hitchc.) A. Haines
Drooping Bluegrass
Other English Common Names: Weak Bluegrass
Synonym(s): Poa languida A.S. Hitchc.
Taxonomic Status: Accepted
Related ITIS Name(s): Poa saltuensis ssp. languida (Hitchc.) A. Haines (TSN 797440)
French Common Names: pāturin faible
Unique Identifier: ELEMENT_GLOBAL.2.156612
Element Code: PMPOA4Z1C0
Informal Taxonomy: Plants, Vascular - Flowering Plants - Grass Family
 
Kingdom Phylum Class Order Family Genus
Plantae Anthophyta Monocotyledoneae Cyperales Poaceae Poa
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Concept Reference
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Concept Reference: Flora of North America Editorial Committee. 2007a. Flora of North America North of Mexico. Vol. 24. Magnoliophyta: Commelinidae (in part): Poaceae, part 1. Oxford Univ. Press, New York. xxviii + 911 pp.
Concept Reference Code: B07FNA24HQUS
Name Used in Concept Reference: Poa saltuensis ssp. languida
Taxonomic Comments: Kartesz (1994) includes Poa languida (= P. saltuensis ssp. languida) in his concept of Poa saltuensis.
Conservation Status
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NatureServe Status

Global Status: G5T4Q
Global Status Last Reviewed: 27Aug2018
Global Status Last Changed: 27Aug2018
Ranking Methodology Used: Ranked by calculator
Rounded Global Status: T4 - Apparently Secure
Reasons: Poa saltuensis ssp. languida (=P. languida) occurs in Quebec and Ontario, south to Virginia, Kentucky, and North Carolina, and west to Iowa and southern Minnesota. There are well over 100 occurrences known and the habitat preference of the taxon is not highly specialized and some degree of disturbance is favorable.
Nation: United States
National Status: N3
Nation: Canada
National Status: N3 (23Jun2016)

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 Illinois (S1), Iowa (S1), Kentucky (SNR), Maryland (SH), Massachusetts (S2), Michigan (SNR), Minnesota (SNR), New Jersey (S2), Ohio (S3), Pennsylvania (S2), Rhode Island (SU), Tennessee (S1), Vermont (S1S2), Virginia (S1)
Canada Ontario (S3), Quebec (S1)

Other Statuses

NatureServe Global Conservation Status Factors

Range Extent Comments: This species occurs in Quebec and Ontario, south to Kentucky and North Carolina, and west to Iowa and southern Minnesota.

Area of Occupancy: Unknown 4-km2 grid cells
Area of Occupancy Comments:  

Number of Occurrences: 81 - 300
Number of Occurrences Comments: In many states, the taxon is uncommon; there are seven occurrences in Iowa, eight in Vermont, four in Illinois, four in Quebec and one historic occurrence in Maryland. There are 49 occurrences in Ohio, eleven in New Jersey, twelve in Ontario, fifteen in Massachusetts, and twenty-two in Pennsylvania. The taxon is rare in the southwest mountains and southwest piedmont of Virginia. The taxon is also documented from numerous other states including New York, where it is reported as secure in the state (ranked S5).

Number of Occurrences with Good Viability/Integrity: Unknown

Overall Threat Impact: Unknown
Overall Threat Impact Comments: Canopy closure and excessive herbaceous understory are not favorable to the taxon which is thought to respond positively to light disturbance.

Short-term Trend: Relatively Stable (<=10% change)

Long-term Trend: Unknown

Other NatureServe Conservation Status Information

Distribution
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Global Range: This species occurs in Quebec and Ontario, south to Kentucky and North Carolina, and west to Iowa and southern Minnesota.

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 IA, IL, KY, MA, MD, MI, MN, NJ, OH, PA, RI, TN, VA, VT
Canada ON, QC

Range Map
No map available.


U.S. Distribution by County Help
State County Name (FIPS Code)
IA Allamakee (19005)*, Boone (19015)*, Clayton (19043), Jefferson (19101)*, Muscatine (19139)*, Scott (19163)*, Story (19169)*
IL Cook (17031), La Salle (17099)*, Lake (17097)*, Vermilion (17183)
MA Berkshire (25003), Franklin (25011)*, Hampden (25013)*, Hampshire (25015), Worcester (25027)
MD Baltimore County (24005)*
NJ Sussex (34037), Warren (34041)*
OH Adams (39001), Ashtabula (39007), Brown (39015), Cuyahoga (39035), Delaware (39041), Franklin (39049), Geauga (39055), Highland (39071), Holmes (39075), Logan (39091), Lorain (39093), Lucas (39095)*, Montgomery (39113)*, Pickaway (39129), Portage (39133), Stark (39151), Summit (39153), Wood (39173)*
PA Bedford (42009)*, Blair (42013), Bradford (42015), Cameron (42023)*, Carbon (42025), Centre (42027), Crawford (42039), Jefferson (42065), Lackawanna (42069)*, Lawrence (42073), Luzerne (42079)*, Somerset (42111)*, Venango (42121), Warren (42123)
VT Bennington (50003), Caledonia (50005), Orange (50017), Rutland (50021)
* Extirpated/possibly extirpated
U.S. Distribution by Watershed Help
Watershed Region Help Watershed Name (Watershed Code)
01 Passumpsic (01080102)+, Upper Connecticut-Mascoma (01080104)+, Middle Connecticut (01080201)+, Chicopee (01080204)+, Lower Connecticut (01080205)+*, Quinebaug (01100001)+, Housatonic (01100005)+
02 Hudson-Hoosic (02020003)+, Rondout (02020007)+, Hackensack-Passaic (02030103)+, Middle Delaware-Mongaup-Brodhead (02040104)+, Middle Delaware-Musconetcong (02040105)+, Lehigh (02040106)+, Chemung (02050105)+, Upper Susquehanna-Tunkhannock (02050106)+*, Upper Susquehanna-Lackawanna (02050107)+*, Sinnemahoning (02050202)+*, Upper Juniata (02050302)+, Raystown (02050303)+*, Gunpowder-Patapsco (02060003)+*, Cacapon-Town (02070003)+*
04 Pike-Root (04040002)+*, Lower Maumee (04100009)+*, Cedar-Portage (04100010)+*, Huron-Vermilion (04100012)+, Cuyahoga (04110002)+, Ashtabula-Chagrin (04110003)+, Mettawee River (04150401)+
05 Upper Allegheny (05010001)+, Middle Allegheny-Tionesta (05010003)+, French (05010004)+, Middle Allegheny-Redbank (05010006)+, Shenango (05030102)+, Mahoning (05030103)+*, Connoquenessing (05030105)+, Tuscarawas (05040001)+, Mohican (05040002)+, Upper Scioto (05060001)+, Lower Scioto (05060002)+, Paint (05060003)+*, Upper Great Miami (05080001)+*, Ohio Brush-Whiteoak (05090201)+, Vermilion (05120109)+
07 Upper Iowa (07060002)+*, Grant-Little Maquoketa (07060003)+*, Turkey (07060004)+, Copperas-Duck (07080101)+*, South Skunk (07080105)+*, Skunk (07080107)+*, Lower Cedar (07080206)+*, Middle Des Moines (07100004)+*, Des Plaines (07120004)+, Lower Illinois-Senachwine Lake (07130001)+*
+ Natural heritage record(s) exist for this watershed
* Extirpated/possibly extirpated
Ecology & Life History
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Basic Description: Plant, monocot, Poaceae; perennial, tuft grass with compressed sheaths, weak blades, and drooping panicle branches. Spikelets have 2-4 florets, lemmas firm, 2.4-3.2 mm long, obscurely-veined, and with obtuse tips (Gleason and Cronquist, 1991; A.Cusick, 1997).
Palustrine Habitat(s): Riparian
Terrestrial Habitat(s): Forest/Woodland, Shrubland/chaparral, Woodland - Hardwood, Woodland - Mixed
Habitat Comments: Rich, open, upland woods and thickets; occasionally along ridges or shores. Soils tend to be dry to mesic with moderate to slightly basic pH. Soils are often rocky and sometimes sandy; at some sites, soils are thin and occur over limestone and marble substrates.
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: 27Aug2018
NatureServe Conservation Status Factors Author: S.L.Neid, MRO, rev. Treher (2018)

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
  • Deam, C. C. 1940. Flora of Indiana. Division of Forestry, Dept. of Conservation, Indianapolis, Indiana. 1236 pp.

  • Deam, C.C. 1940. Flora of Indiana. Indiana Department of Conservation, Division of Forestry, Indianapolis. 1236 pp.

  • Dore, W.G. and J. McNeill. 1980. Grasses of Ontario. Monograph 26, Agriculture Canada, Research Branch, Biosystematics Research Institute, Ottawa, Ontario. 566 pp.

  • Dore, W.G. et J. McNeill 1980. Grasses of Ontario. Monograph 26. Research Branch, Agriculture Canada, Ottawa. 565 p.

  • Dore, W.G., and J. McNeill. 1980. Grasses of Ontario. Research Branch, Agriculture Canada, Monograph 26.

  • Eilers, L.J., and D.M. Roosa. 1994. The vascular plants of Iowa: An annotated checklist and natural history. Univ. Iowa Press, Iowa City. 304 pp.

  • Fernald, M. L. 1950. Gray's manual of botany. 8th edition. Corrected printing (1970). D. Van Nostrand Company, New York. 1632 pp.

  • Flora of North America Editorial Committee. 2007a. Flora of North America North of Mexico. Vol. 24. Magnoliophyta: Commelinidae (in part): Poaceae, part 1. Oxford Univ. Press, New York. xxviii + 911 pp.

  • Gleason, H.A., and A. Cronquist. 1963. Manual of vascular plants of northeastern United States and adjacent Canada. D. Van Nostrand Company, New York, NY. 810 pp.

  • Gleason, H.A., and A. Cronquist. 1991. Manual of vascular plants of northeastern United States and adjacent Canada. New York Botanical Garden, Bronx, New York. 910 pp.

  • Haines, A. 2004b. New combination in Poa. Botanical Notes 10: 1-5. Available at http://www.woodlotalt.com/publications/publications.htm.

  • Haines, A. Flora Novae Angliae. http://www.arthurhaines.com/

  • Hay, S.G., 1998. Communication personnelle.

  • Hitchcock, A.S. 1950. Manual of the Grasses of the United States. Dover Publishers, Inc. New York. 2nd edition revised by Agnes Chase. 2 volumes.

  • Hitchcock, A.S. 1951. Manual of the grasses of the United States. 2nd edition revised by Agnes Chase. [Reprinted, 1971, in 2 vols., by Dover Publications, Incorporated, New York.]

  • Kartesz, J.T., and R. Kartesz. 1980. A synonymized checklist of the vascular flora of the United States, Canada and Greenland. Vol. 2. The biota of North America. Univ. of North Carolina Press, Chapel Hill. 500 pp.

  • Mohlenbrock, R.H. 1986. Guide to the vascular flora of Illinois. Southern Illinois University Press, Carbondale and Edwardsville, Illinois. 507 pp.

  • Natural Land Institute. 1981. Endangered and threatened species of Illinois. Illinois Department of Conservation, Springfield. 189pp.

  • NatureServe. Unpublished. Concept reference for taxa for which no reference which describes the circumscription has been recorded; to be used as a placeholder until such a citation is identified.

  • Seymour, F.C. 1969. The flora of Vermont: a manual for the identification of ferns and flowering plants growing without cultivation in Vermont. The University of Vermont, Burlington, Vermont. 377 pp.

  • Voss, E. G. 1972. Michigan flora: A guide to the identification and occurrence of the native and naturalized seed-plants of the state. Part I. Gymnosperms and Monocots. Cranbrook Institute of Science. 488 pp.

  • Voss, E. G., and A. A. Reznicek. 2012. Field Manual of Michigan Flora. University of Michigan Press, Ann Arbor. 990 pp.

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