Isoetes × marensis

Taxonavigation

Taxonavigation: Isoetales
Superregnum: Eukaryota Cladus: Orthokaryota Cladus: Neokaryota Cladus: Photokaryota Cladus: Diaphoretickes Cladus: CAM Regnum*: Archaeplastida Regnum: Plantae Regnum*: Viridiplantae Cladus: Streptophyta Cladus: Phragmoplastophyta Cladus: Embryophyta Cladus: Polysporangiophyta Divisio*: Tracheophyta Divisio: Lycopodiophyta Classis: Lycopodiopsida Subclassis: Isoetidae Ordo: Isoetales

Familia: Isoetaceae
Genus: Isoetes
Species: Isoetes × marensis

Name

Isoetes × marensis D.M.Britton & D.F.Brunt., Canad. J. Bot. 73(9): 1352 (1995).

• Formula hybridae: Isoetes howellii Engelm. × Isoetes maritima Underw.
• Typus: Canada, British Columbia, Shuswap Highlands, east shore of Mara Lake ca. 7 km south of Sicamous, D.F. Brunton and K.L. McIntosh 11,301 (plant A), 22 August 1992 (Holotypus: OAC; isotypi: DAO, V, MIL, Herb. D.F. Brunton).

Distribution

Native distribution areas:
Continental: Northern America Regional: Western Canada British Columbia. References: Brummitt, R.K. 2001. TDWG – World Geographical Scheme for Recording Plant Distributions, 2nd Edition

References

Primary references

• Britton, D.M. & Brunton, D.F. 1995. Isoetes ×marensis, a new interspecific hybrid from western Canada. Canadian Journal of Botany 73(9): 1345–1353. DOI: 10.1139/b95-146 Reference page. 

Links

• Govaerts, R. et al. 2026. Isoetes × marensis in Kew Science Plants of the World Online. The Board of Trustees of the Royal Botanic Gardens, Kew. Published online. Accessed: 2026 Jun 8. Reference page. 
• Tropicos.org 2026. Isoetes × marensis. Missouri Botanical Garden. Published online. Accessed: 8 Jun 2026. Reference page.
• International Plant Names Index. 2026. Isoetes × marensis. Published online. Accessed: 8 Jun 2026. Reference page.
• Hassler, M. 2026. World Ferns. Checklist of Ferns and Lycophytes of the World. . Isoetes × marensis Accessed: 8 Jun 2026. Reference page.