ILLINOIS PLANT INFORMATION NETWORK
 
 ILPIN INFORMATION ON    Asplenium trichomanes quadrivalens
 
 
 CLASS:    LEPTOSPORANGIOPSIDA
 ORDER:    FICALES
 FAMILY:   ASPLENIACEAE
 SCIENTIFIC NAME:  Asplenium trichomanes quadrivalens
 AUTHORITY:  L.
 SUBSPECIFIC AUTHORITY: D. E. Meyer
 
 COMMON NAMES:
    MAIDENHAIR SPLEENWORT
 
 SYNONOMY:   None
 
 PLANTS CODE: ASTRQ
 
 NATURAL COMMUNITIES:
     PRIMARY
       BLUFF
         CLIFF (ROCKY BLUFF)
           LIMESTONE
 
 SAF FOREST COVER TYPE:  UNAVAILABLE
 
 NATURAL DIVISION:  UNAVAILABLE
 
 COUNTIES:
   UNION
 
 GROWTH FORM:  Fern-allies
 
 TAXONOMIC CHARACTERISTICS:
    ROOTS:  Adventitious   (fibrous)   (rhizomes)
    LEAF TYPE:    Compound  (pinnately)
    LEAF VENATION:  Pinnate
 
    INFLORESCENCE:           No
    FRUIT:   No
 
 DISTINGUISHING CHARACTERISTIC COMMENTS:
     Species is an evergreen; general appearance of typical variety.
 
 GEOGRAPHIC INFORMATION:
     ORIGIN:   Native
 
 GEOGRAPHIC COMMENTS:
     Located in Pine Hills.
 
 POPULATION DYNAMICS:
     STATE STATUS: Not listed
     FEDERAL STATUS: Not listed
     COMMONNESS:  Rare
     ENDEMIC:   NOT-ENDEMIC
 
 BIOLOGIC:
     HABIT:   Forb
     LIFE CYCLE:   Perennial
     TROPHIC STATUS:  Autotrophic
     C02 FIXATION:  C3
 
 ENVIRONMENTAL RELATIONSHIPS:
     GROWTH OF SPECIES IN VARIOUS CONDITIONS:
          GRAVEL         No data entered    SAND           No data entered
          SANDY LOAM     No data entered    LOAM           No data entered
          CLAY LOAM      No data entered    CLAY           No data entered
          DENSE CLAY     No data entered    ORGANIC SOIL   No data entered
          NEUTRAL pH     No data entered    ACIDIC SOIL    No data entered
          EXTREMELY ACID No data entered    SALINE SOIL    No data entered
          SODIC SOIL     No data entered    SODIC-SALINE   No data entered
          ROCKY OUTCROPS Good               GENTLE SLOPES  No data entered
          MODERATE SLOPE No data entered    STEEP SLOPES   No data entered
 
 FUNCTIONAL RELATIONSHIPS:    No data entered
 HUMAN RELATIONSHIP DATA:
     SHOWY FLOWERS:  NO
 
 WILDLIFE AND LIVESTOCK INFORMATION:   No data entered
 
 REVEGETATION PLANTINGS:    No data entered
 
 
 REFERENCES:
Downton, W. J. S.  1975.  The occurrence of C4 photosynthesis among plants.
     Photosynthetica 9(1): 96-105.
Mohlenbrock, R. H., ed.  1983-continuing.  Illinois flora update.  Erigenia.
 
 END OF DATA FOR SPECIES  Asplenium trichomanes quadrivalens
 
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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