Cutleaf waterparsnip
Berula erecta
Apiaceae
Berula erecta
Apiaceae
Lives wild in Afghanistan, Albania, Austria, Baltic States, Belgium, Bulgaria, China, Czechoslovakia, and 35 more countries.
Introduced to Australia and South Africa.
Berula erecta, known as lesser water-parsnip, cutleaf waterparsnip, or narrow-leaved water-parsnip, is a member of the carrot family. Growing to around 1 m (3 ft) tall, it is found in or by water. It is widespread across much of Europe, Asia, Australia, and North America. Berula erecta has a hollow stem. Underwater leaves consist of compound with thread-like lobes; leaves above the surface of the water are flatter and broader. The plant produces many small white flowers in a compound umbel.
Two completely different aquariums: forest rivers with soft, brown water, roots and leaves, and Rift Valley lake cichlids in hard, alkaline water with big rock piles.
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.