Log In New Account Sitemap
  • Home
  • Search
    • Search Collections
    • Map Search
    • Dynamic Species List
    • Exsiccati
    • Taxonomic Explorer
  • Images
    • Image Browser
    • Search Images
  • Species Checklists
    • North America
  • Crowdsource
  • Contacts
    • Partners
  • Acknowledgements
Isoetes
Family: Isoetaceae
Isoetes image
  • Gleason & Cronquist
  • Resources
Vascular plants of NE US and adjacent Canada
Perennial, mostly aquatic or amphibious herbs with linear, grass-like lvs; x=11. 100+, cosmop. Hybrids are not infrequent. Some such are I. إatonii R. Dodge = I. echinospora נengelmannii; I. ئoveolata A. A. Eaton = I. riparia נtuckermanii; and I. بarveyi A. A. Eaton = I. lacustris נtuckermanii; I. بickeyi W. C. Taylor & Luebke = I. echinospora נlacustris.

Gleason, Henry A. & Cronquist, Arthur J. 1991. Manual of vascular plants of northeastern United States and adjacent Canada. lxxv + 910 pp.

©The New York Botanical Garden. All rights reserved. Used by permission.
Species within checklist: Ferns of California
Isoetes howellii
Image of Isoetes howellii
Isoetes nuttallii
Image of Isoetes nuttallii
Isoetes orcuttii
Image of Isoetes orcuttii

The PCC, and this data portal, were made possible by funding from the National Science Foundation’s Advancing Digitization of Biological Collections (ADBC) program, grant numbers 1802504, 1802352, 1802134, 1802033, 1802270, 1802255, 1802239, 1802446, 1802305.
The pteridoportal taxonomic thesaurus is based on the Checklist of Ferns and Lycophytes of the World, generously provided by Michael Hassler.