Manyfruit primrose-willow
Ludwigia polycarpa
Onagraceae
Ludwigia polycarpa
Onagraceae
Lives wild in Canada, Cuba, and United States.
Introduced to Eswatini, South Africa, and United States.
Ludwigia polycarpa, common names many-fruited false-loosestrife and false loosestrife seedbox, is a plant found in North America. It is listed as a special concern and believed extirpated in Connecticut, and as endangered in Massachusetts, Pennsylvania and Vermont.
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.