Freshwater
Myriophyllum elatinoides
Haloragaceae
Haloragaceae
Lives wild in Argentina, Bolivia, Brazil, Canada, Chile, Colombia, Ecuador, Falkland Islands, and 5 more countries.
Soft, acidic water, subdued light, sand, roots and fallen leaves: how to set up a biotope aquarium from the Amazon and the rivers around it.
Hard, alkaline water, sand and rock: an aquarium from the rivers and lakes of Mexico and Central America, with cichlids and livebearers.
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.