ILLINOIS PLANT INFORMATION NETWORK
 
 ILPIN INFORMATION ON    Juncus vaseyi
 
 
 CLASS:    MONOCOTYLEDENAE
 ORDER:    JUNCALES
 FAMILY:   JUNCACEAE
 SCIENTIFIC NAME:  Juncus vaseyi
 AUTHORITY:  Engelm.
 
 COMMON NAMES:
    VASEY'S RUSH
 
 SYNONOMY:   None
 
 PLANTS CODE: JUVA
 
 NATURAL COMMUNITIES:
     PRAIRIE
       TYPICAL PRAIRIE
         WET
     WETLAND
       BOG
       SEDGE MEADOW
       BORDER OF LAKE
 
 
 SAF FOREST COVER TYPE:
     NO
 
 
 NATURAL DIVISION:
     Northeastern Morainal
        Morainal
        Winnebago
 
 COUNTIES:
   COOK            MCHENRY         WINNEBAGO
 
 GROWTH FORM:  Monocot
 
 TAXONOMIC CHARACTERISTICS:
    ROOTS:  Adventitious   (rhizomes)
    LEAF ARRANGEMENT:   Alternate    Basal
    LEAF TYPE:   Simple
    LEAF MARGIN:   Entire
    LEAF VENATION:  Parallel
    LEAF SHAPE:       Other
    INFLORESCENCE:   Dischasium
    FLOWER MEROUS:  3
    FLOWER STRUCTURE:   Complete   Regular
    FLOWER COLOR:   Green   Others
    FLOWER PLACEMENT:  Hypogynous
    FRUIT:   Capsule
 
 DISTINGUISHING CHARACTERISTIC COMMENTS:
     Clumping; terete leaves.
 
 GEOGRAPHIC INFORMATION:
     ORIGIN:   Native
 
 POPULATION DYNAMICS:
     STATE STATUS: Endangered-ST
     FEDERAL STATUS: Not listed
     COMMONNESS:  Rare
     ENDEMIC:   NOT-ENDEMIC
 
 BIOLOGIC:
     HABIT:   Grasslike
     LIFE CYCLE:   Perennial
     REPRODUCTION:   Sexual   Vegetative
     FLOWERING PERIOD:
         MONTH BEGINNING-      7         MONTH END-      9
     TROPHIC STATUS:  Autotrophic
     C02 FIXATION:  C3
     SEX:      Perfect
 
 ECODISTRIBUTION COMMENTS:
     Wet meadows; shores.
 
 ENVIRONMENTAL RELATIONSHIPS:
     GROWTH OF SPECIES IN VARIOUS CONDITIONS:  No data entered
 
     HABITAT:   Wet   Moist
 
 FUNCTIONAL RELATIONSHIPS:
     MYCORRHIZAE:   no
 
 HUMAN RELATIONSHIP DATA:
     ALLERGENIC:  No
 
 
 WILDLIFE AND LIVESTOCK INFORMATION:   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.
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.
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.
Schwegman, J. E., G. D. Fell, M. Hutchison, G. Paulson, W. M. Shepherd, and
     J. White.  1973.  Comprehensive plan for the Illinois Nature Preserves
     System.  Part 2 - The Natural Divisions of Illinois.  Illinois Nature
     Preserves Commission, Springfield.  32 pp., plus map.
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.
Sheviak, C. J.  1981.  Endangered and threatened plants.  Pages 70-179 in M.
     L. Bowles, V. E. Diersing, and J. E. Ebinger, eds., Endangered and
     threatened vertebrate animals and vascular plants of Illinois.  Illinois
     Department of Conservation, Springfield.
Downton, W. J. S.  1975.  The occurrence of C4 photosynthesis among plants.
     Photosynthetica 9(1): 96-105.
 
 END OF DATA FOR SPECIES  Juncus vaseyi
 
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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