Introductory
SPECIES: Equisetum sylvaticum | Wood Horsetail 



ABBREVIATION : 
EQUSYL

SYNONYMS : 
NO-ENTRY


SCS PLANT CODE : 
   EQSY


COMMON NAMES : 
   wood horsetail
   woodland horsetail
   sylvan horsetail


TAXONOMY : 
The currently accepted scientific name of wood horsetail is Equisetum
sylvaticum L. [5,14,22,33].  The following varieties and form are
recognized [7,14,33,36]:

  Equisetum sylvaticum var. sylvaticum -- with scabrous branches
  E. sylvaticum var. pauciramosum Milde. -- smooth branches, slightly branched
  E. sylvaticum f. multiramosum Fern. -- smooth branches, copiously branched

Wood horsetail is a highly variable species; many varieties and forms
have been described that have little taxonomic significance [5].

Wood horsetail apparently hybridizes with meadow horsetail (E. pratense)
[10].


LIFE FORM : 
Fern or Fern Ally

FEDERAL LEGAL STATUS : 
See OTHER STATUS

OTHER STATUS : 
Wood horsetail is included on Virginia's rare and endangered vascular
plants list [31].  It is listed as threatened in Ohio by the Natural
Heritage Program [47].


COMPILED BY AND DATE : 
Robin F. Matthews, July 1993.


LAST REVISED BY AND DATE : 
NO-ENTRY


AUTHORSHIP AND CITATION : 
Matthews, Robin F. 1993. Equisetum sylvaticum.  In: Remainder of Citation

Related categories for Species: Equisetum sylvaticum | Wood Horsetail