Isoetes × harveyi

Taxonavigation

Taxonavigation: Isoetales
Superregnum: Eukaryota Regnum: Plantae Divisio: Tracheophyta Divisio: Lycopodiophyta Classis: Isoetopsida Ordo: Isoetales

Isoetes × harveyi A.A.Eaton, Fernwort Papers 11. 1900. pro sp.

Formula hybridae: Isoetes lacustris L. × Isoetes tuckermanii Engelm.
Typus: United States, Maine, Oldtown, Pushaw Pond, F.L. Harvey s.n.; Mount Desert Island, pond north of Long Pond, M.L. Fernald s.n. (Syntypes: MIN , US ).

Homotypic
- Isoetes tuckermanii var. harveyi (A.A.Eaton) Clute, Fern-Allies 227. 1905.

Heterotypic
- Isoetes heterospora A.A.Eaton, Fernwort Papers: 8. 1900.
  - Typus: United States, Maine, Mount Desert Island, Jordan Pond, Deerbrook Beach. E.L.Rand s.n. (MO, NY).
  - Isoetes tuckermani var. heterospora (A.A.Eaton) Clute, Fern-Allies 227. 1905
  - Isoetes macrospora var. heterospora (A.A.Eaton) A.A.Eaton, Rhodora 10: 42. 1908.
  - Isoetes macrospora f. heterospora (A.A.Eaton) Clute, Fern Bull. 16: 56. 1908.

Britton, D.M. 1991. A hybrid Isoetes, I. × harveyi, in northeastern North America. Canadian Journal of Botany 69(3): 634–640. DOI: 10.1139/b91-085 Reference page.
Hassler, M. & Schmitt, B. 2018. World Ferns. Checklist of the Ferns and Lycophytes of the World. Version 7.44 – May 2018. Accessed 5 June 2018.

Tropicos.org 2018. Isoetes harveyi . Missouri Botanical Garden. Published on the internet. Accessed: 2018 6 5.

Kott, L.S. & Britton, D.M. 1983. Spore morphology and taxonomy of Isoetes in northeastern North America. Canadian Journal of Botany 61(12): 3140–3163. DOI: 10.1139/b83-353 Reference page. (treating Isoetes × heterospora as synonym of Isoetes lacustris (= I. macrospora)

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