| Ophioglossum vulgatum var. alaskanum (E. G. Britt.) Christens. | |||
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| Family | Ophioglossaceae — APG family: Ophioglossaceae | ||
| Synonyms | Ophioglossum alaskanum E. G. Britt. | ||
| Common name | adder’s tongue | ||
| Description | Rhizome short, erect, with long roots; sterile blade thin, pale, ovate, very distinct- ly veined. Typical plant has thicker, less distinctly veined blade. | ||
| Ecology | On calcareous or saline soil, wet meadows, and seashores. Described from Europe. | ||
| Taxonomy notes | O. vulgatum is highly variable in its worldwide range. The Alaskan plant there- fore may well be regarded as merely a form, since it has been collected only twice and nothing is known of its variation. Circumpolar map indicates general range of entire species complex. |
This is a digital representation of Eric Hultén’s ‘Flora of Alaska and Neighboring Territories: A Manual of the Vascular Plants’, which was published by Stanford University Press in 1968. The book was digitized by C. Webb (at UAMN) as part of the Flora of Alaska project, with funding by the US NSF (Grant 1759964 to Ickert-Bond & Webb), and with permission of Stanford University Press. Data and images © 1968 Board of Trustees of the Leland Stanford Jr. Univ. Usage licence: Creative Commons BY-NC-SA 4.0. NB: You may find OCR errors; please refer to the hard-copy if in doubt.