| Botrychium boreale (E. Fries) Milde | |||
| |||
| Family | Ophioglossaceae — APG family: Ophioglossaceae | ||
| Synonyms | Botrychium boreale subsp. obtusifolium (Rupr.) Clausen., Botrychium boreale subsp. typicum, Botrychium lunaria var. boreale E. Fries | ||
| Description | Light-green, triangular sterile blade borne high on stem, with rhomboid, some- what incised, acute or obtuse (var. obtusilobum Rupr.) pinnae, having fairly dis- tinct median vein; fertile blade much branched, broad. | ||
| Ecology | Grassy slopes, alpine meadows. Described from northern Scandinavia. | ||
| Taxonomy notes | Rare everywhere in its circumpolar range; possibly of hybrid origin, since it occurs in the area where ranges of B. lanceolatum and B. lunaria overlap. |
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.