Marsh pennywort
Hydrocotyle vulgaris
Araliaceae
Hydrocotyle vulgaris
Araliaceae
Lives wild in Albania, Austria, Baltic States, Belgium, Czechoslovakia, Denmark, France, Germany, and 21 more countries.
Introduced to Japan and United States.
Hydrocotyle vulgaris, the marsh pennywort, common pennywort, water naval, money plant, lucky plant, dollarweed or copper coin, is a small creeping aquatic perennial plant native to North Africa, Europe, the Caucasus and parts of the Levant.
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.