ILLINOIS PLANT INFORMATION NETWORK
 
 ILPIN INFORMATION ON    Agrostis perennans
 
 
 CLASS:    MONOCOTYLEDENAE
 ORDER:    CYPERALES
 FAMILY:   POACEAE
 SCIENTIFIC NAME:  Agrostis perennans
 AUTHORITY:  (Walt.) Tuckerm.
 
 COMMON NAMES:
    AUTUMN BENT GRASS
    UPLAND BENT GRASS
 
 SYNONOMY:   None
 
 PLANTS CODE: AGPE
 
 NATURAL COMMUNITIES:
     FOREST
       UPLAND FOREST
         DRY
         DRY-MESIC
         MESIC
       FLOODPLAIN FOREST
         MESIC
     PRAIRIE
       TYPICAL PRAIRIE
         DRY
         DRY-MESIC
         MESIC
       DOLOMITE PRAIRIE
         DRY
         DRY-MESIC
         MESIC
     WETLAND
       SEEP & SPRING
         ACID GRAVEL SEEP
       BORDER OF LAKE
     PRIMARY
       BLUFF
         CLIFF (ROCKY BLUFF)
           SANDSTONE
           LIMESTONE
 
 
 SAF FOREST COVER TYPE:
     CENTRAL
        Upland oak
           White Oak
        Other Central Types
     SOUTHERN
        Bottomland
 
 
 NATURAL DIVISION:
     Coastal Plain
        Cretaceous Hills
 
 COUNTIES:
   ALEXANDER       BROWN           CALHOUN         CASS            CHAMPAIGN
   CHRISTIAN       CLARK           CLAY            CLINTON         COLES
   COOK            CRAWFORD        DEKALB          DOUGLAS         DUPAGE
   EDWARDS         EFFINGHAM       FAYETTE         FRANKLIN        FULTON
   GALLATIN        GREENE          GRUNDY          HAMILTON        HANCOCK
   HENDERSON       HENRY           JACKSON         JASPER          JOHNSON
   KANE            KANKAKEE        KENDALL         LAKE            LASALLE
   LAWRENCE        MACON           MADISON         MASON           MASSAC
   MONROE          MOULTRIE        PEORIA          PERRY           PIATT
   PIKE            POPE            PULASKI         RANDOLPH        RICHLAND
   ST. CLAIR       SANGAMON        SCHUYLER        TAZEWELL        UNION
   VERMILION       WABASH          WASHINGTON      WILL            WILLIAMSON
   WOODFORD
 
 GROWTH FORM:  Monocot
 
 TAXONOMY COMMENTS:
     Species includes var. aestivalis Vasey.
 
 TAXONOMIC CHARACTERISTICS:
    ROOTS:  Adventitious   (fibrous)
    LEAF ARRANGEMENT:   Alternate
    LEAF TYPE:   Simple
    LEAF MARGIN:   Entire
    LEAF VENATION:  Parallel
    LEAF SHAPE:     Linear
    INFLORESCENCE:   Panicle
    FLOWER MEROUS:  3
    FLOWER STRUCTURE:   Complete
    FLOWER PLACEMENT:  Hypogynous
    FRUIT:   Grain
 
 DISTINGUISHING CHARACTERISTIC COMMENTS:
     Caespitose var. perennans has a stiffer inflorescence and tends
     to grow in more exposed situations than var. aestivalis.
 
 GEOGRAPHIC INFORMATION:
     ORIGIN:   Native
 
 GEOGRAPHIC COMMENTS:
     Species is common in southern half of state becoming increasingly less common
     northward.
 
 POPULATION DYNAMICS:
     STATE STATUS: Not listed
     FEDERAL STATUS: Not listed
     COMMONNESS:  Occasional
     ENDEMIC:   NOT-ENDEMIC
 
 BIOLOGIC:
     HABIT:   Grasslike
     LIFE CYCLE:   Perennial
     REPRODUCTION:   Sexual
     FLOWERING PERIOD:
         MONTH BEGINNING-      6         MONTH END-      8
     TROPHIC STATUS:  Autotrophic
     C02 FIXATION:  C3
     SEX:      Perfect
 
 ECODISTRIBUTION COMMENTS:
     Species is distributed in upland open wooded slopes, prairie swales, in
     woods specifically where leaf litter and vegetative cover are
     absent, growing about tree bases with Fraxinus americana and
     Acer rubrum. See also SAF Forest Cover Types.
 
 ENVIRONMENTAL RELATIONSHIPS:   No data entered
 
 FUNCTIONAL RELATIONSHIPS:    No data entered
 HUMAN RELATIONSHIP DATA:
     ALLERGENIC:  Yes
 
 
 WILDLIFE AND LIVESTOCK INFORMATION:   No data entered
 
 REVEGETATION PLANTINGS:
     WEEDINESS:   Non-weedy
 
 
 
 REFERENCES:
Steyermark, J. A.  1963.  Flora of Missouri.  Iowa State University Press, Ames.
     1725 pp.
Swink, F., and G. S. Wilhelm.  1979.  Plants of the Chicago region.  Third ed.
     The Morton Arboretum, Lisle, Illinois.  922 pp.
Mohlenbrock, R. H.  1967-continuing.  The illustrated flora of Illinois.
     Southern Illinois University Press, Carbondale.
Downton, W. J. S.  1975.  The occurrence of C4 photosynthesis among plants.
     Photosynthetica 9(1): 96-105.
 
 END OF DATA FOR SPECIES  Agrostis perennans
 
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 ILPIN was developed by Louis Iverson*, with data compiled by David Ketzner and Jeanne Karnes
 Illinois Natural History Survey, 607 E. Peabody Dr., Champaign, IL 61820
     *currently employed by USDA Forest Service, 359 Main Rd., Delaware, OH 43015