Freshwater
Nuphar sagittifolia
Nymphaeaceae
Nymphaeaceae
Nuphar sagittifolia, also known as Arrowleaf Pond-lily, Cape Fear spatterdock, or Narrow-leaved Spatterdock, is a perennial, rhizomatous, aquatic herb in the family Nymphaeaceae with unique narrowly lanceolate leaves known only from North Carolina, South Carolina, and Virginia.
Streams and ponds in North America are often cool. How to set up an aquarium without a heater, with pygmy sunfish, shiners and darters.
Light, nutrients and CO₂ in balance, low tech versus high tech, and how to read from the leaves what your plants are missing.