|
|
|
|
|
|
|
|
|
|
|
| Cystopteris montana (Lam.) Bernh. ex Desv. | Species Image Gallery (opens in a new window) |
||||||||
| TAXONOMY | |||||||||
| Family: | Dryopteridaceae | ||||||||
| Genus: | Cystopteris | ||||||||
| Species Synonyms: | Filix montana (Lam.) Underwood | ||||||||
| Common Names: | mountain bladderfern common ladyfern |
||||||||
| DISTRIBUTION | |||||||||
| Canada: | Yukon Territory – southwestern Mackenzie District – British Columbia – western Alberta – east-central Saskatchewan, western Ontario (Lake Superior north shore), northern Quebec – Labrador – Newfoundland | ||||||||
| Saskatchewan: | east-central Saskatchewan | ||||||||
| Ecoregion: | Mid-Boreal Upland | ||||||||
| HABITAT | |||||||||
| Saskatchewan: | moist woods | ||||||||
| Associated Species: | Betula papyrifera, Geum rivale, Petasites palmatus, Picea glauca, Populus balsamifera | ||||||||
| RARITY STATUS | |||||||||
| Provincial
Status According to Harms (2003): |
Endangered |
||||||||
| Nature Conservancy Status: | G5 S1 |
||||||||
| Saskatchewan
Species at Risk Status: |
None |
||||||||
| COSEWIC Status: | None |
||||||||
| Cystopteris montana is endangered because it is extremely rare in Saskatchewan. This species is highly restricted to one small area of the province. Cystopteris montana is usually locally numerous within limited localized areas. | |||||||||
| SPECIES DESCRIPTION | |||||||||
| Roots: | long-creeping, cord-like, scaly, old stipe bases few | ||||||||
| Fronds: | scattered, monomorphic | ||||||||
| Stipes: | 2 – 3x as long as blade, dark brown to black at base, green or straw-coloured distally, sparingly glandular; scales sparse, ovate to lanceolate, usually tan to light brown | ||||||||
| Blades: | mostly 20 – 35 cm long, tripinnate-pinnatifed, elongate, subcoriaceous, glabrous | ||||||||
| Pinnae: | axils with occasional multicellular gland-tipped hairs, ascending, typically at an angle acute to the rachis, lowermost large, unequally deltoid-ovate, unequal at base | ||||||||
| Pinnules: | deeply divided, margin serrate | ||||||||
| Indusia: | inconspicuous, cup-shaped, whitish | ||||||||
| Sori: | submarginal, roundish | ||||||||
| Spores: | spiny | ||||||||
| |||||||||
