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Cardamine lyrata vs. Hydrocotyle leucocephala
By Ron Finlayson
First published in "The Daphnian", Boston Aquarium Society, March 1999
Aquarticles ...
Cardamine lyrata (B1,D,G,J,R,W,Y) "Chinese Ivy"
Cardamine flexuosa (Y)
Eichhornia azurea (A,B1,D,G,R,V)
Eichhornia diversifolia (B2)
Eichhornia natans (G) ...
All the regulars are there plus some nice harder to find plants like Cardamine lyrata and Marble Queen Swords. Stem plants are cheap, potted plants are a little on the spendy side but still cheaper than buying online.
It's been known that strong lights make this algae go away, but they might still be seen on lower, shadowed, plant leaves (Bacopa australis, Cardamine lyrata). It can also be found on aquarium glass, gravel and decoration.
Brazilian Pennywort is very similar to another marsh plant, Cardamine lyrata (also known as Japanese Cress). The Japanese Cress has smaller leaves, while the Brazilian Pennywort is faster growing and less demanding.
Growth/Propagation: ...
nana, Ludwigia repens, Shinnersia rivularis, Cardamine lyrata (kindly donated by Tolis Ketselidis), Limpnophila aquatica, Myriophyllum tuberculatus (red), Shinnersia rivularis 'weiss-Gron', ...
 See also: Water, Plants, Aquarium, Green, Rotala
  
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