Aquarium guide
Aquarium guide     

  
 
Heteranthera
 

Heteranthera

These plants are totally aquatic, requiring intense light and a fairly rich soil. They are sensitive to any deficiency in iron. The water must be slightly alkaline and moderately hard.

Heteranthera dubia

The yellow-flowered heteranthera can be reproduced with cuttings, a process that is facilitated by adventitious roots on the stem. The stem is quite fine and can float on the surface of the water. Size: 40 cm.

Heteranthera dubia

Heteranthera zosterifolia

The stargrass can live totally submerged. It multiplies through cuttings of the side shoots; it can also grow as a creeper. Size: 30 cm.

Heteranthera zosterifolia

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НЬЮМЕН (Newman) Джон Генри (1801-90) , английский теолог, педагог, публицист и церковный деятель. В 1845 перешел из англиканства в католичество, с 1879 кардинал. Защищал теорию "развития догматов" и принцип свободной от схоластических рамок "открытой теологии".