Isoetes × altonharvillii

Taxonavigation

Taxonavigation: Isoetales
Superregnum: Eukaryota Cladus: Diaphoretickes Cladus: CAM Cladus: Archaeplastida Regnum: Plantae Divisio: Tracheophyta Divisio: Lycopodiophyta Classis: Lycopodiopsida Subclassis: Isoetidae Ordo: Isoetales

Familia: Isoetaceae
Genus: Isoetes
Species: Isoetes × altonharvillii

Name

Isoetes × altonharvillii Musselman & R.D.Bray, Castanea 60(3): 246 (1995).

• Formula hybridae: Isoetes caroliniana (A.A.Eaton) Luebke × Isoetes engelmannii A.Braun
• Typus: United States, Virginia, Rockbridge County, Maury River, 4.0 miles north of Goshen Pass, 22 August 1994. L.J. Musselman 94002 (Holotypus: ODU).

Distribution

Native distribution areas:
Continental: Northern America Regional: Southeastern U.S.A. Alabama, Delaware, Virginia. References: Brummitt, R.K. 2001. TDWG – World Geographical Scheme for Recording Plant Distributions, 2nd Edition

References

Primary references

• Musselman, L.J., Knepper, D.A., Bray, R.D., Caplen, C.A. & Ballou, C. 1995. A new Isoetes hybrid from Virginia. Castanea 60(3): 245–254. JSTOR Reference page. 

Links

• Govaerts, R. et al. 2026. Isoetes × altonharvillii 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 × altonharvillii. Missouri Botanical Garden. Published online. Accessed: 8 Jun 2026. Reference page.
• International Plant Names Index. 2026. Isoetes × altonharvillii. Published online. Accessed: 8 Jun 2026. Reference page.
• Hassler, M. 2026. World Ferns. Checklist of Ferns and Lycophytes of the World. . Isoetes × altonharvillii Accessed: 8 Jun 2026. Reference page.