Woodsia obtusa
English: Blunt lobed wood fern; Cliff fern; common Woodsia; Wood fern.
Use: ornamental; easy to grow.
Botany
Fern; perennial.
Root: slow creeping, compact rhizome; with tan scales and dark streaks.
Stems: hard as wood.
Leaves: soft and vulnerable; compound, pinnately, bipinnately, palmately; lacy; narrowly oblong; gray-green; with many glands and hairs on both surfaces; erect; nearly opposite pinna are widely spaced; bluntly lobed pinnules; stipe is dark orange at base and yellow above.
Sori: rounded; surrounded by ragged indusia; on tips of veins of pinnules.