Hemianthus micranthemoides

Nuttall's mudflower

In Culture: Not cultivated in aquariums, name is erroneously used for another plant
Aquarium suitability: unknown, see description!
See also: Hemianthus glomeratus , Hemianthus sp. "Amano Pearl Grass"
Range and localities: 

Middle atlantic region of the USA from New York to Virginia, probably extinct

Common names: 
  • Nuttall's mudflower

  • Micranthemum micranthemoides (Nutt.) Wettst. ex Wettst.

Habit, plant type:

  • stem
Botanical name [?]: Hemiánthus micranthemoídes Nuttall

Major group (unranked): Seed plants: Flowering plants (Angiosperms)
Order: Lamiales
Family: Linderniaceae
Genus: Hemianthus


The plant known under the name Hemianthus micranthemoides for decades was recently (2011) identified as Hemianthus glomeratus by Cavan Allen (USA), a species endemic to Florida.
Real H. micranthemoides however has probably never been cultivated as an aquarium plant. It is considered missing and probably even extinct in nature. It was last found in the wild in 1941. Hemianthus micranthemoides was distributed along the Central Atlantic Coast of the USA, from New York to Virginia, in the intertidal zone of river estuaries, highly specialised to these habitats.

Please see Hemianthus glomeratus.

References and further reading:
  1. Posting from Cavan Allen in vom 09. March 2011
  2. Milius, Susan (2002): Are They Really Extinct? Searches for plants and animals so rare that they may not be there at all. - ScienceNews, March 16, 2002; Vol.161 #11
Can grow emersed?: yes

Suited for outdoor cultivation / ponds: unknown

Winter hardiness: unknown

There is no detailled information for cultivating this plant yet.
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TODO Hemianthus micranthemoides is also known as Nuttall's mudflower.

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.