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| Dryopteris filix-mas (L.) Schott | Species Image Gallery (opens in a new window) |
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| TAXONOMY | |||||||||||||||||||||
| Family: | Dryopteridaceae | ||||||||||||||||||||
| Genus: | Dryopteris | ||||||||||||||||||||
| Species Synonyms: | none | ||||||||||||||||||||
| Common Names: | male fern male woodfern |
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| DISTRIBUTION | |||||||||||||||||||||
| Canada: | southern British Columbia – southwestern Alberta, northwestern Saskatchewan, southern Ontario – Newfoundland | ||||||||||||||||||||
| Saskatchewan: | northwestern Saskatchewan; Lake Athabasca | ||||||||||||||||||||
| Ecoregion: | Tazin Lake Upland | ||||||||||||||||||||
| HABITAT | |||||||||||||||||||||
| Saskatchewan: | dense woods and talus slopes on limestone | ||||||||||||||||||||
| RARITY STATUS | |||||||||||||||||||||
| Provincial
Status According to Harms (2003): |
Endangered | ||||||||||||||||||||
| Nature Conservancy Status: | G5 S1 | ||||||||||||||||||||
| Saskatchewan
Species at Risk Status: |
None | ||||||||||||||||||||
| COSEWIC Status: | None | ||||||||||||||||||||
| Dryopteris filix-mas is endangered in Saskatchewan because it is extremely rare. It is only known from one location in northern Saskatchewan and the population is locally sparse. No immediate threats are known for this species but are possible in the future. | |||||||||||||||||||||
| SPECIES DESCRIPTION | |||||||||||||||||||||
| Roots: | rhizome stout, covered in old stipe bases; scales to 1 cm long, membranous, margin entire to denticulate | ||||||||||||||||||||
| Fronds: | monomorphic, 28 – 200 cm tall | ||||||||||||||||||||
| Stalks: | 5 – 40 cm long, 1/4 length of blade, stout, stramineus towards blade, dark brown or reddish near base; scales scattered, of two distinct kinds (broad and hair-like) | ||||||||||||||||||||
| Blades: | 20 – 160 cm long, 6 – 35 cm wide, ovate to lanceolate, base narrowed, apex acuminate, pinnate-pinnatifed to bipinnate at base, firm but not leathery, not glandular | ||||||||||||||||||||
| Pinnae: | 20 – 30 pairs, basal pair ovate, reduced, lanceolate | ||||||||||||||||||||
| Pinnules: | basal ± same length as adjacent pinnules, margin serrate to lobed | ||||||||||||||||||||
| Indusia: | 0.8 – 2 mm wide, lacking glands, persistent | ||||||||||||||||||||
| Sori: | midway between midvein and margin, often confined to lower 1/2 or 1/3 of pinnule, large, ~ 1 mm diameter | ||||||||||||||||||||
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