Isoëtaceae - quillwort family
Species that grow without cultivation on Mount Desert Island

compiled by the
Champlain Project - P. O. Box 55 - Bass Harbor, Maine  04653

(updated 8 April 2017)

Isoëtaceae - quillwort family
[information to be added]

Mount Desert Island is home to 5 species and 1 hybrid in 1 genus. Click on a link below or scroll down for more information.
   Isoëtes (5 species, 1 hybrid)
      Isoëtes acadiensis - Acadian quillwort (rare1)
      Isoëtes echinospora - spiny-spored quillwort (occasional)
      Isoëtes xharveyi - I. lacustris x I. tuckermanii (occasional)
      Isoëtes lacustris - lake quillwort (uncommon)
      Isoëtes prototypus - prototype quillwort (rare)
      Isoëtes tuckermanii - Tuckerman’s quillwort (occasional)

Isoëtes (quillwort)
[information to be added]

Isoëtees acadiensis (Acadian quillwort) - [information to be added]

Isoëtes echinospora (spiny-spored quillwort) - [information to be added]

Isoëtes xharveyi (I. lacustris x I. tuckermanii) - [information to be added]

Isoëtes lacustris (lake quillwort) - [information to be added]

Isoëtes prototypus (prototype quillwort) - [information to be added]

Isoëtes tuckermanii (Tuckerman’s quillwort) - [information to be added]

   1. Frequency designations are from the book The Plants of Acadia National Park by Glen H. Mittelhauser, Linda L. Gregory, Sally C. Rooney, and Jill E. Weber (2010, University of Maine Press, ISBN 978-0-89101-120-0) except for Isoëtes xhqrveyii, whose abundance was reported in the paper “Vascular flora of the Acadia National Park region, Maine” by Craig W. Greene, Linda L. Gregory, Glen H. Mittelhauser, Sally C. Rooney, and Jill E. Weber, published in the spring 2005 issue (vol. 107, No. 930) of Rhodora: Journal of the New England Botanical Club.