ILLINOIS PLANT INFORMATION NETWORK
 
 ILPIN INFORMATION ON    Aster ontarionis
 
 
 CLASS:    DICOTYLEDENAE
 ORDER:    ASTERALES
 FAMILY:   ASTERACEAE
 SCIENTIFIC NAME:  Aster ontarionis
 AUTHORITY:  Wieg.
 
 COMMON NAMES:
    ONTARIO ASTER
 
 SYNONOMY:   None
 
 PLANTS CODE: ASON
 
 NATURAL COMMUNITIES:
     FOREST
       UPLAND FOREST
         DRY
         DRY-MESIC
         MESIC
       FLOODPLAIN FOREST
         MESIC
       FLATWOODS
     WETLAND
       BORDER OF LAKE
     PRIMARY
       BLUFF
         CLIFF (ROCKY BLUFF)
     CULTURAL
       AGRICULTURAL FIELD
       SUCCESSIONAL FIELD
 
 
 SAF FOREST COVER TYPE:
     CENTRAL
        Upland oak
           White/Black/Northern Red-  Oak
        Other Central Types
           River Birch - Sycamore
           Silver Maple - American Elm
     SOUTHERN
        Bottomland
 
 NATURAL DIVISION:  UNAVAILABLE
 
 COUNTIES:
   ADAMS           ALEXANDER       BOONE           BROWN           CALHOUN
   CARROLL         CASS            CHAMPAIGN       CHRISTIAN       CLAY
   CLINTON         COLES           COOK            CRAWFORD        CUMBERLAND
   DEKALB          DOUGLAS         DUPAGE          FAYETTE         FULTON
   GALLATIN        GREENE          GRUNDY          HAMILTON        HANCOCK
   HARDIN          HENDERSON       HENRY           JACKSON         JERSEY
   JO DAVIESS      JOHNSON         KANE            KANKAKEE        KENDALL
   KNOX            LAKE            LAWRENCE        LOGAN           MACON
   MACOUPIN        MADISON         MARSHALL        MASON           MASSAC
   MENARD          MONROE          MOULTRIE        OGLE            PEORIA
   PERRY           PIATT           PIKE            POPE            PULASKI
   RANDOLPH        RICHLAND        ST. CLAIR       SCOTT           SHELBY
   STEPHENSON      UNION           VERMILION       WABASH          WARREN
   WASHINGTON      WILL            WILLIAMSON      WINNEBAGO
 
 GROWTH FORM:  Dicot-herb
 
 TAXONOMIC CHARACTERISTICS:
    ROOTS:  Adventitious   (rhizomes)
    LEAF ARRANGEMENT:   Alternate
    LEAF TYPE:   Simple
    LEAF MARGIN:   Entire
    LEAF VENATION:  Pinnate
    LEAF SHAPE:     Linear   Lanceolate     Obovate     Oval
    INFLORESCENCE:   Head
    FLOWER STRUCTURE:   Complete   Incomplete   Regular   Irregular
    FLOWER COLOR:   Violet   White
    FLOWER PLACEMENT:  Epigynous
    FRUIT:   Achene
 
 DISTINGUISHING CHARACTERISTIC COMMENTS:
     Species resembles Aster lateriflorus, but has creeping, branching rootstocks,
     forming colonies.
 
 GEOGRAPHIC INFORMATION:
     ORIGIN:   Native
 
 POPULATION DYNAMICS:
     STATE STATUS: Not listed
     FEDERAL STATUS: Not listed
     COMMONNESS:  Common
     ENDEMIC:   NOT-ENDEMIC
 
 BIOLOGIC:
     HABIT:   Forb
     LIFE CYCLE:   Perennial
     REPRODUCTION:   Sexual   Vegetative
     FLOWERING PERIOD:
         MONTH BEGINNING-      9         MONTH END-     10
     TROPHIC STATUS:  Autotrophic
     SEX:      Perfect     Unisexual   -monoecious
 
 BIOLOGIC COMMENTS:
     Disk florets are perfect; ray florets are pistillate, both are
     fertile.
 
 ECODISTRIBUTION COMMENTS:
     Species is distributed in borders of fields.
 
 ENVIRONMENTAL RELATIONSHIPS:   No data entered
 
 FUNCTIONAL RELATIONSHIPS:
     MAJOR POLLINATION AGENT:   INSECT
 
 HUMAN RELATIONSHIP DATA:    No data entered
 
 WILDLIFE AND LIVESTOCK INFORMATION:   No data entered
 
 LIVESTOCK COMMENTS:
     Species is possible facultative selenium accumulator.
 
 REVEGETATION PLANTINGS:    No data entered
 
 
 REFERENCES:
Mohlenbrock, R. H., ed.  1975.  Guide to the vascular flora of Illinois.
     Southern Illinois University Press, Carbondale.  494 pp.
Steyermark, J. A.  1963.  Flora of Missouri.  Iowa State University Press, Ames.
     1725 pp.
Gleason, H. A.  1952.  The new Britton and Brown illustrated flora of the
     northeastern United States and adjacent Canada.  3 vols.  The New York
     Botanical Garden, New York.
Kingsbury, J. M.  1964.  Poisonous plants of the United States and Canada.
     Prentice-Hall, Inc., Englewood Cliffs, New Jersey.  626 pp.
 
 END OF DATA FOR SPECIES  Aster ontarionis
 
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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