[Ferns, Clubmosses and Liverworts of Mt. Adams Country]

Mountain Fern, Rocky Mountain Cliff Fern, Rocky Mountain Woodsia

Woodsia scopulina ssp. scopulina

Mountain Fern, Rocky Mountain Cliff Fern: Woodsia scopulina ssp. scopulina

The photo above shows a cluster of fronds of Rocky Mt. Woodsia growing from loose rocks on the Aiken Lava Flow at the Snipes Mt. Trailhead on the southern slopes of Mt. Adams................May 28, 2005. The fronds are twice-tapered, meaning they are widest at central frond, tapering to both ends of the frond.

Underside of a leaflet of Mountain Fern, Rocky Mountain Cliff Fern: Woodsia scopulina ssp. scopulina

The photograph above shows a close-up of the lower surface of one leaflet of Rocky Mt. woodsia. Note the minute glands and sparse long hairs which are glandless. Photographed on the Aiken Lava Flow at the Snipes Mt. Trailhead.........October 14, 2005.

Dorsal side of a leaflet of Mountain Fern, Rocky Mountain Cliff Fern: Woodsia scopulina ssp. scopulina

The photo above shows a close-up of the upper surface of one leaflet of Rocky Mt. woodsia which is largely glabrous. Photographed on the Aiken Lava Flow.........October 14, 2005.

Frond of Mountain Fern, Rocky Mountain Cliff Fern: Woodsia scopulina ssp. scopulina

Aiken Lava Flow at the Snipes Mt. Trailhead on the southern slopes of Mt. Adams.........October 14, 2005.

Paul Slichter