ILLINOIS PLANT INFORMATION NETWORK
 
 ILPIN INFORMATION ON    Callitriche heterophylla
 
 
 CLASS:    DICOTYLEDENAE
 ORDER:    LAMIALES
 FAMILY:   CALLITRICHACEAE
 SCIENTIFIC NAME:  Callitriche heterophylla
 AUTHORITY:  Pursh
 
 COMMON NAMES:
    LARGE WATER STARWORT
 
 SYNONOMY:   None
 
 PLANTS CODE: CAHE3
 
 NATURAL COMMUNITIES:
     WETLAND
       SEEP & SPRING
         SPRING COMMUNITY
       BORDER OF LAKE
     LAKE AND POND
       POND
     STREAM
       CREEK
         LOW-GRADIENT
 
 SAF FOREST COVER TYPE:  UNAVAILABLE
 
 NATURAL DIVISION:  UNAVAILABLE
 
 COUNTIES:
   ALEXANDER       BOONE           CASS            COOK            CRAWFORD
   DUPAGE          FRANKLIN        FULTON          GREENE          GRUNDY
   HAMILTON        HANCOCK         HENDERSON       HENRY           JACKSON
   JOHNSON         KANKAKEE        LAKE            LAWRENCE        LEE
   MCDONOUGH       MACOUPIN        MASON           MASSAC          MENARD
   PEORIA          PERRY           POPE            PULASKI         RICHLAND
   ST. CLAIR       UNION           WABASH          WILL            WINNEBAGO
 
 
 GROWTH FORM:  Dicot-herb
 
 TAXONOMIC CHARACTERISTICS:
    ROOTS:  Primary
    LEAF ARRANGEMENT:     Opposite
    LEAF TYPE:   Simple
    LEAF MARGIN:   Entire
    LEAF VENATION:  Pinnate
    LEAF SHAPE:     Linear     Obovate
    INFLORESCENCE:   Solitary- few
    FLOWER STRUCTURE:   Incomplete  (no petals)  (no sepals)
    FRUIT:   Nut
 
 DISTINGUISHING CHARACTERISTIC COMMENTS:
     Fruit is composed of 4 nutlets; floating leaves are obovate.
 
 GEOGRAPHIC INFORMATION:
     ORIGIN:   Native
 
 POPULATION DYNAMICS:
     STATE STATUS: Not listed
     FEDERAL STATUS: Not listed
     COMMONNESS:  Occasional
     ENDEMIC:   NOT-ENDEMIC
 
 BIOLOGIC:
     HABIT:   Forb
     LIFE CYCLE:   Perennial   Annual
     REPRODUCTION:   Sexual
     FLOWERING PERIOD:
         MONTH BEGINNING-      4         MONTH END-     10
     TROPHIC STATUS:  Autotrophic
     C02 FIXATION:  C3
     SEX:      Unisexual   -monoecious
 
 ECODISTRIBUTION COMMENTS:
     Species is distributed in shallow, quiet water.
 
 ENVIRONMENTAL RELATIONSHIPS:   No data entered
 
 FUNCTIONAL RELATIONSHIPS:    No data entered
 HUMAN RELATIONSHIP DATA:
     SHOWY FLOWERS:  NO     LANDSCAPING:  NO
 
 WILDLIFE AND LIVESTOCK INFORMATION:
     FOOD VALUE:
         DEER VALUE:  Unknown
         UPLAND GAME VALUE:  Unknown
         WATERFOWL VALUE:   -   Leaves   Stems
         SMALL NON-GAME BIRD VALUE:  Unknown
         SMALL MAMMAL VALUE:  Unknown
         AQUATIC MAMMAL VALUE:  Unknown
         FISH VALUE:  Unknown
     COVER VALUE:  No data entered
 
 LIVESTOCK PALATABILITY DATA:  No data entered
 
 REVEGETATION PLANTINGS:
     WEEDINESS:   Non-weedy
 
 
 
 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.
Downton, W. J. S.  1975.  The occurrence of C4 photosynthesis among plants.
     Photosynthetica 9(1): 96-105.
 
 END OF DATA FOR SPECIES  Callitriche heterophylla
 
 ------------------------------------------------------------------------
 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