Freshwater
Featherfoil
Hottonia palustris
Primulaceae
Hottonia palustris
Primulaceae
Lives wild in Austria, Baltic States, Belgium, Czechoslovakia, Denmark, France, Germany, Hungary, and 11 more countries.
Introduced to Ireland, Russia, and United States.
Hottonia palustris, also water violet or featherfoil, is an aquatic plant in the family Primulaceae.
Two aquariums from Southeast Asia: calm forest streams and peat swamps with soft, brown water, and fast mountain streams with cool, oxygen-rich water.
A coldwater aquarium with European fish and plants, without a heater. The water follows the seasons, and summer heat is the biggest problem.
Light, nutrients and CO₂ in balance, low tech versus high tech, and how to read from the leaves what your plants are missing.