ILLINOIS PLANT INFORMATION NETWORK
 
 ILPIN INFORMATION ON    Populus tremuloides
 
 
 CLASS:    DICOTYLEDENAE
 ORDER:    SALICALES
 FAMILY:   SALICACEAE
 SCIENTIFIC NAME:  Populus tremuloides
 AUTHORITY:  Michx.
 
 COMMON NAMES:
    QUAKING ASPEN
 
 SYNONOMY:
     Populus tremula L. ssp. tremuloides (Michx.) Loeve & Loeve
 
 PLANTS CODE: POTRT
 
 NATURAL COMMUNITIES:
     FOREST
       UPLAND FOREST
         DRY
         DRY-MESIC
         MESIC
       THICKETS
     WETLAND
       MARSH
         TYPICAL MARSH
       BOG
     CULTURAL
       SUCCESSIONAL FIELD
 
 
 SAF FOREST COVER TYPE:
     NORTHERN
        Spruce-Fir
           listed
           Northern White Cedar
 
 NATURAL DIVISION:  UNAVAILABLE
 
 COUNTIES:
   BOONE           CARROLL         CHAMPAIGN       CHRISTIAN       COLES
   COOK            DEKALB          DUPAGE          FULTON          GRUNDY
   HANCOCK         HENDERSON       HENRY           IROQUOIS        JO DAVIESS
   KANE            KANKAKEE        KENDALL         LAKE            LASALLE
   LEE             MCDONOUGH       MCHENRY         MACOUPIN        MERCER
   OGLE            PEORIA          PUTNAM          ROCK ISLAND     STARK
   STEPHENSON      TAZEWELL        WARREN          WHITESIDE       WILL
   WINNEBAGO       WOODFORD
 
 GROWTH FORM:  Dicot-woody
 
 TAXONOMIC CHARACTERISTICS:
    ROOTS:  Primary
    LEAF ARRANGEMENT:   Alternate
    LEAF TYPE:   Simple
    LEAF MARGIN:   Serrate   Crenate
    LEAF SHAPE:     Ovate     Orbicular
    INFLORESCENCE:   Catkin
    FLOWER STRUCTURE:   Incomplete  (no petals)  (no sepals)
    FLOWER PLACEMENT:  Hypogynous
    FRUIT:   Capsule
 
 DISTINGUISHING CHARACTERISTIC COMMENTS:
     Petioles are strongly flattened; whitish trunk; seeds with
     cottony hairs.
 
 GEOGRAPHIC INFORMATION:
     ORIGIN:   Native
 
 POPULATION DYNAMICS:
     STATE STATUS: Not listed
     FEDERAL STATUS: Not listed
     COMMONNESS:  Common
     ENDEMIC:   NOT-ENDEMIC
 
 BIOLOGIC:
     HABIT:   Tree
     LIFE CYCLE:   Perennial
     REPRODUCTION:   Sexual   Vegetative
     FLOWERING PERIOD:
         MONTH BEGINNING-      4         MONTH END-      5
     TROPHIC STATUS:  Autotrophic
     C02 FIXATION:  C3
     SEX:      Unisexual   -dioecious
 
 ECODISTRIBUTION COMMENTS:
     Species is distributed on low ground; edge of woods; cut-over
     land; burned peat marshes; forms large colonies that are poor
     in associates; scrubby woodlands.
 
 ENVIRONMENTAL RELATIONSHIPS:   No data entered
 
 FUNCTIONAL RELATIONSHIPS:
     MAJOR DISPERSAL AGENTS:   WIND
     MAJOR POLLINATION AGENT:   Wind
     MYCORRHIZAE:   endomycorrhizal   ectomycorrhizal
     NITROGEN FIXING   Maybe
 HUMAN RELATIONSHIP DATA:
     EDIBLE:  Yes-qualified
     SHOWY FLOWERS:  YES      AMOUNT:  Low
 
 
 HUMAN FACTOR COMMENTS:
     Central state species don't contribute to hayfever.
 
 WILDLIFE AND LIVESTOCK INFORMATION:
     FOOD VALUE:
         DEER VALUE:   -   Stems
         UPLAND GAME VALUE:   -   Buds
         WATERFOWL VALUE:  Unknown
         SMALL NON-GAME BIRD VALUE:  Unknown
         SMALL MAMMAL VALUE:  Unknown
         AQUATIC MAMMAL VALUE:  Unknown
         FISH VALUE:  Unknown
     COVER VALUE:
         DEER:     No data     WATERFOWL:    No data   SMALL MAMMAL:   No data
         FISH:     No data     SMALL BIRD:    Good      UPLAND GAME:    No data
         AQUATIC MAMMAL: No data
 
 LIVESTOCK PALATABILITY DATA:
     CATTLE FORAGE: No data    SHEEP FORAGE:  No data    HORSE FORAGE:  No data
     GOAT FORAGE:   No data    ENERGY VALUE:  Medium     PROTEIN VALUE: Medium
     POISONOUS (LIVESTOCK):   No
 
 REVEGETATION PLANTINGS:
     WEEDINESS:   Non-weedy
 
 
 GENERAL COMMENTS:
     Germinates well in fire scarred areas.
 
 
 REFERENCES:
Mohlenbrock, R. H., ed.  1975.  Guide to the vascular flora of Illinois.
     Southern Illinois University Press, Carbondale.  494 pp.
Jones, G. N.  1963.  Flora of Illinois.  Third ed.  American Midland Naturalist
     Monograph 7.  University of Notre Dame, Indiana.  401 pp.
Steyermark, J. A.  1963.  Flora of Missouri.  Iowa State University Press, Ames.
     1725 pp.
Gleason, H. A., and A. Cronquist.  1963.  Manual of vascular plants of north-
     eastern United States and adjacent Canada.  Van Nostrand Reinhold Co.,
     New York.  810 pp.
Fernald, M. L.  1950.  Gray's manual of botany.  8th ed.  American Book Co.,
     New York.  1632 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.
Miller, R. B., and L. R. Tehon.  1929.  The native and naturalized trees of
     Illinois.  Illinois Natural History Survey Bulletin 18: 1-340.
Mohlenbrock, R. H.  1980.  Forest trees of Illinois.  Third ed.  Illinois
     Department of Conservation, Division of Forestry, Springfield.  331 pp.
Downton, W. J. S.  1975.  The occurrence of C4 photosynthesis among plants.
     Photosynthetica 9(1): 96-105.
Grimm, W. C.  1950.  The trees of Pennsylvania.  Stackpole and Heck, New York
     and Harrisburg.  363 pp.
 
 END OF DATA FOR SPECIES  Populus tremuloides
 
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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