Isoetes × brittonii

Taxonavigation

Taxonavigation: Isoetales
Superregnum: Eukaryota Regnum: Plantae Divisio: Tracheophyta Divisio: Lycopodiophyta Classis: Lycopodiopsida Subclassis: Isoetidae Ordo: Isoetales

Familia: Isoetaceae
Genus: Isoetes
Species: Isoetes × brittonii

Name

Isoetes × brittonii D.F.Brunt. & W.C.Taylor, Amer. Fern J. 80: 85 (1990).

• Formula hybridae: Isoetes engelmannii A.Braun × Isoetes riparia Engelm. ex A.Braun
• Typus: United States, Pennsylvania, Lycoming County, in West Branch Susquehanna River opposite Jersey Shore, 11 August 1951, W.F. Westerfeld & H.A. Wahl 3045 (Holotypus: PAC).

References

Primary references

• Brunton, D.F. & Taylor, W.C. 1990. Isoetes x brittonii hyb. nov. (Isoetaceae): a naturally occurring hybrid (I. engelmannii x I. riparia) in the eastern United States. American Fern Journal 80(3): 82–89. BHL Reference page. 

Links

• Govaerts, R. et al. 2025. Isoetes × brittonii in Kew Science Plants of the World Online. The Board of Trustees of the Royal Botanic Gardens, Kew. Published online. Accessed: 2025 Mar 16. Reference page. 
• Tropicos.org 2025. Isoetes × brittonii. Missouri Botanical Garden. Published online. Accessed: 16 Mar 2025. Reference page.

• International Plant Names Index. 2025. Isoetes × brittonii. Published online. Accessed: 16 Mar 2025. Reference page.
• Hassler, M. 2025. World Ferns. Checklist of Ferns and Lycophytes of the World. . Isoetes × brittonii Accessed: 16 Mar 2025. Reference page.
• USDA, ARS, Germplasm Resources Information Network. Isoetes × brittonii in the Germplasm Resources Information Network (GRIN), U.S. Department of Agriculture Agricultural Research Service. Accessed: 08-Apr-12.