All information are taken from Tropica homepage.
1. Microsorum pteropus
Family Polypodiaceae
Continent Asia
Region
Country of origin
Height 15-30 cm
Width 12-20+ cm
Light requirements very low-high
Temperature 18-30 °C
Hardness tolerance very soft-hard
pH tolerance 5-8
Growth slow
Demands very easy
Microsorum pteropus is a water fern which should be grown on a root or stone, attached with fishing line until it has gained a hold. If it is planted in the bottom, do not cover the rhizome because it will rot. Easy to propagate by splitting the horizontal rhizome. A hardy plant which grows in all conditions. The black spots under the leaves are sporangia (reproductive organs), not signs of disease as many believe.
2. Microsorum pteropus "Windelov"
Family Polypodiaceae
Continent Asia, Cultivar
Region Cultivar
Country of origin Cultivar
Height 10-20 cm
Width 12-18+ cm
Light requirements very low-high
Temperature 18-30 °C
Hardness tolerance very soft-hard
pH tolerance 5-8
Growth slow
Demands very easy
Microsorum pteropus 'Windeløv' is a patented variety of M. pteropus, named after Tropica's founder Holger Windeløv. Its finely branched leaf tips make it one of the most beautiful aquarium plants. A hardy and easy plant for both beginners and the more experienced. Best results are obtained by planting it on a stone or tree root. If planted in the bottom the horizontal rhizome must not be covered. This plant is not eaten by herbivorous fish.
3. Microsorum pteropus "Undulata"
Family Polypodiaceae
Continent Asia
Region
Country of origin Thailand
Height 10-35 cm
Width 10-25 cm
Light requirements very low-high
Temperature 18-30 °C
Hardness tolerance very soft-very hard
pH tolerance 5-8
Growth slow
Demands very easy
Variety of Microsorum pteropus with wide, wavy-edged light green leaves. In most conditions the plant grows appreciably larger than Microsorum pteropus, and is therefore best suited to larger aquariums. The plant was originally found in southern Thailand. See also Microsorum pteropus.
4. Microsorum pteropus "Narrow"
Family Polypodiaceae
Continent Asia
Region
Country of origin
Height 10-20 cm
Width 10-20 cm
Light requirements very low-high
Temperature 18-30 °C
Hardness tolerance very soft-very hard
pH tolerance 5-8
Growth slow
Demands very easy
Microsorum pteropus is a highly variable species, and new varieties are easily bred. M. pteropus ''Narrow'' has narrower leaves, which grow at a less acute angle from the stem than the normal M. pteropus. The plant attaches readily to roots and stones. A decorative plant, which is also suitable for smaller aquariums. See also Microsorum pteropus.
5. Microsorum pteropus "Phillipine"
Family Polypodiaceae
Continent Asia
Region
Country of origin Philippines
Height 10-30 cm
Width 10-20 cm
Light requirements very low-high
Temperature 18-30 °C
Hardness tolerance very soft-very hard
pH tolerance 5-8
Growth slow
Demands very easy
Variety of Microsorum pteropus with strikingly beautiful long, slender 'hammered out' leaves. Microsorum pteropus ''Philippine'' grows readily on roots and stones, but can also be planted directly on the bottom - but not too deep. The plant is hardy and also suitable for larger aquariums. It is tolerant of salt, and originated from the island of Panay in the Philippines, where it grows right out in the tidal river mouth and thrives both below and above water. See also Microsorum pteropus.
6. Microsorum pteropus "Red"
Family Polypodiaceae
Continent Asia
Region
Country of origin Thailand
Height 10-30 cm
Width 10-20 cm
Light requirements very low-high
Temperature 18-30 °C
Hardness tolerance very soft-very hard
pH tolerance 5-8
Growth slow
Demands very easy
Variety of Microsorum pteropus characterised under good growing conditions by new leaves with a reddish brown colour. The leaves turn greener as they age. The leaves are longer and broader than the standard variety of Microsorum pteropus. An impressive plant, also in larger aquariums. Originally found in southern Thailand. See also Microsorum pteropus.
7. Microsorum pteropus "Taiwan" or Microsorum pteropus "Needle leaves"
8. Microsorum pteropus "Tropica"
Family Polypodiaceae
Continent Cultivar , Asia
Region Cultivar
Country of origin Cultivar
Height 15-50 cm
Width 15-30+ cm
Light requirements very low-high
Temperature 18-30 °C
Hardness tolerance very soft-hard
pH tolerance 5-8
Growth slow
Demands easy
Microsorum pteropus 'Tropica' grows fast and is bigger than M. pteropus. Highly distinctive, with dentate leaves. Older leaves are sometimes lobate (up to 5 cm lobes). M. pteropus 'Tropica' has been bred by and named after the Tropica nursery in Denmark. Microsorum pteropus 'Tropica' is patented and may only be produced commercially by licence. A beautiful solitary plant for large aquariums.