Aspidotis densa

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Dense Lace Fern

Dense Lace Fern, also referred to as Indian’s Dream, is a fern with creeping fronds that can reach up to 25 cm long and are covered with firm narrow scales reminiscent of cedar leaves. The fronds are sometimes dimorphic, with fertile fronds more erect than sterile ones.

This fern usually grows on serpentine soils on rocky mountain slopes that are well-draining but seasonally moist. It can also grow in rock crevices and exposed rocky outcrops in mossy cracks.

Lifeform:

Sun: Full Sun, Part Shade

Water: High, Light, Moderate

Soil: Rocky, Serpentine

Other: Erosion Control

Ecological Value

Strong Serpentine indicator (Ultramafic affinity: 3.4)

Historical Uses

No known historical uses.

Distribution

Disjunct population on serpentine soils in Quebec., West coast of North America from British Columbia to California and east to the Rocky Mountains in Idaho, Montana, and Wyoming.

Elevation

43" – 11074"

Habitat

Ridges

Communities

Douglas-Fir Forest, Northern Oak Woodland, Red Fir Forest, Yellow Pine Forest