Aspidotis densa
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Aspidotis densa is a species of fern in the Cheilanthoid subfamily, known by the common name Indian's dream or Serpentine fern or dense lace fern. It is native to the west coast of North America from
Aspidotis densa 5982
Aspidotis densa at Icicle Creek Canyon, Wenatchee Mountains Washington
Sterile fronds
Sori with false indusium
Serpentine soil
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Serpentine soil is an uncommon soil type produced by weathered ultramafic rock such as peridotite and its metamorphic derivatives such as serpentinite. More precisely, serpentine soil contains mineral
Aspidotis densa
…conditions only sterile fronds form. Like many ferns, new fronds are produced in spring by circinate vernation. A. densa grows in rocky areas, usually on serpentine soils on rocky mountain slopes, well-drained but seasonally moist. It is usually found in growing full sun, but it can tolerate some shade. It can grow in…
Solidago multiradiata, Erigeron aureus, and Adiantum aleuticum in rocky serpentine soil
Serpentine outcrop high in the Siskiyou Wilderness of northwest California—here Jeffrey pine dominates the landscape.
Soldiers Delight Natural Environment Area in Maryland
Unlike most ecosystems, in serpentine barrens, there is less plant growth closer to a stream, due to toxic minerals in the water.