A. crispa may refer to:
- Aerides crispa, an orchid
- Alder crispa, a tree in the birch family
- Alnus crispa, an alder with a wide range across the cooler parts of the Northern Hemisphere
- Amphiura crispa, a brittle star
- Anchusa crispa, a critically endangered species
- Ardisia crispa, a coralberry
- Astilbe crispa, a perennial, herbaceous flowering plant
See also
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