Myriophyllum simulans

Amphibious Water-milfoil

Aquarium suitability: yes
Usage: Background, Midground, Street (Dutch style)
Difficulty: medium
Growth: fast
See also: Myriophyllum propinquum , Myriophyllum propinum , Myriophyllum proprium

Availability [?]: 
  • occasionally available commercially

Common names: 
  • Amphibious Water-milfoil

Misapplied names: 
  • Myriophyllum propinquum

Habit, plant type:

  • stem
Botanical name [?]: Myriophýllum símulans Orchard

Major group (unranked): Seed plants: Flowering plants (Angiosperms)
Order: Saxifragales
Family: Haloragaceae
Genus: Myriophyllum


Myriophyllum simulans, or filigree Myrio, grows in eastern Australia, mainly in the emersed form in the mud on the edges of various waterbodies or in marshes, where it forms dense lawn-like populations.

It was imported from Australia to Europe in 1983 by P.J. van der Vlugt. First it was named Myriophyllum propinquum. Since then, it has been sold as M. propinquum or "M. propinum" in trade.
In 1986, A.E. Orchard described Myriophyllum simulans as new species in its own right, and the aquarium plant imported from Australia was identified as such. True Myriophyllum propinquum is said to be native only in New Zealand.
M. simulans belongs to a complex of several difficult-to-discern Australian milfoils (e.g. M. jacobsii, M. crispatum, M. variifolium).

The emersed form of Myriophyllum simulans differs clearly from its submersed one: its leaves are not pinnate, have an entire margin and are needle-like to lineal. They grow in whorls on rather thick stems.
The submersed form, however, has finely pinnate leaves, much like many other milfoils. They are of a light green colour, the pinna are hair-thin. The stem is also light green and thinner than that of the emersed form, however, in comparison with other milfoils it is still relatively thick.

- To be complemented -

References and further reading:
  1. follows
Light medium to high 
Temperature tolerance 4 to 30 °C
Optimum temperature 20 to 28 °C
Carbonate hardness 2 to 14 °dKH
pH value 5 to 7.5 
Carbon dioxide (CO2) 15 to 40 mg/l
Nitrate (NO3-) 10 to 50 mg/l
Phosphate (PO43-) 0.1 to 3 mg/l
Potassium (K+) 5 to 30 mg/l
Iron (Fe) 0.01 to 0.5 mg/l

Growth: fast

Propagation: Cuttings

Can grow emersed?: yes

Suited for outdoor cultivation / ponds: unknown

Winter hardiness: half-hardy in Germany

There is no detailled information for cultivating this plant yet.
Aquascaping: fine-leaved

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Trading possible?
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TODO Myriophyllum simulans is also known as Amphibious Water-milfoil. TODO

Wasserpflanzen sind ein fester Bestandteil der meisten Aquarien. Beim Aquascaping, dem Naturaquarium, Biotop-Aquarium oder dem Gesellschaftsaquarium sind Wasserpflanzen nicht nur für die Wasserqualität entscheidend, sondern sorgen auch stets für eine optische Aufwertung des Aquariums.