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swamp wallaby grass
Amphibromus nervosus.jpg
Amphibromus nervosus
Scientific classification
Kingdom: Plantae
(unranked): Angiosperms
(unranked): Monocots
(unranked): Commelinids
Order: Poales
Family: Poaceae
Genus: Amphibromus
Type species
Amphibromus neesii

Amphibromus is a genus of grasses in the Poaceae family. Most are known as swamp wallaby grass.[2][3][4][5][6] Most are endemic to Australia. One can also be found in New Zealand and there are two species in South America.[4]

These are annual or perennial grasses. Some can have cleistogamous inflorescences sheathed on their stems. The open inflorescences may be spreading or spikelike. These may have some cleistogamous spikelets in them, as well.[4]

Most species occur in moist to wet habitat types. Some tolerate periodic flooding well, even flowering in response to it.[4]

  1. Amphibromus archeri - pointed swamp wallaby grass - South Australia, Tasmania, Victoria
  2. Amphibromus fluitans - river swamp wallaby grass, graceful swamp wallaby grass - Tasmania, Victoria, New South Wales, New Zealand (North + South Is)
  3. Amphibromus macrorhinus - long-nosed swamp wallaby grass - South Australia, Tasmania, Victoria, New South Wales, Western Australia
  4. Amphibromus neesii - southern swamp wallaby grass - Tasmania, Victoria, New South Wales; naturalized in California
  5. Amphibromus nervosus - common swamp wallaby grass, veined swamp wallaby grass - South Australia, Victoria, New South Wales, Western Australia
  6. Amphibromus pithogastrus - plump swamp wallaby grass - Victoria, New South Wales
  7. Amphibromus quadridentulus - Brazil (Rio Grande do Sul, Santa Catarina, Paraná, Rio de Janeiro, Minas Gerais), Argentina (Entre Ríos, Misiones), Uruguay
  8. Amphibromus recurvatus - dark swamp wallaby grass - South Australia, Tasmania, Victoria
  9. Amphibromus scabrivalvis - rough amphibromus - Bolivia (La Paz), Brazil, Argentina, Chile, Uruguay, Peru; naturalized in Louisiana
  10. Amphibromus sinuatus - wavy swamp wallaby grass - Tasmania, Victoria, New South Wales
  11. Amphibromus vickeryae - Western Australia[10]
  12. Amphibromus whitei small swamp wallaby grass - †Queensland but extinct[11]


  1. ^ Tropicos, Amphibromus Nees
  2. ^ Nees von Esenbeck, Christian Gottfried Daniel. 1843. London Journal of Botany 2: 420 in Latin
  3. ^ Atlas of Living Australia, Amphibromus Nees, Swamp Wallaby Grass
  4. ^ a b c d Thieret, J. W. Amphibromus. Archived March 4, 2016, at the Wayback Machine. Grass Manual. Flora of North America.
  5. ^ Amphibromus. New South Wales Flora Online. National Herbarium, Royal Botanic Garden, Sydney.
  6. ^ Watson, L. and M. J. Dallwitz. 1992 onwards. Amphibromus. Archived October 5, 2012, at the Wayback Machine. The Grass Genera of the World. 2012.
  7. ^ Kew World Checklist of Selected Plant Families
  8. ^ Swallen, J. R. 1931. The grass genus Amphibromus. American Journal of Botany 18: 411–415
  9. ^ Smith, L. B., D. C. Wasshausen & R. M. Klein. 1982. Gramíneas. Gêneros: 45. Deschampsia até 84. Pseudechinolaena. 1(GRAM): 443–906. In P. R. Reitz (ed.) Flora Ilustrada Catarinense. Herbário "Barbosa Rodrigues", Itajaí, Brasil
  10. ^ considered 'probably extinct' - page 7 of Bell, Una; Bell, Una (2008), Common native grasses of south-west WA, [Mundaring, Western Australia] [Una Bell], retrieved 30 October 2016 
  11. ^ Amphibromus whitei. Species Profile and Threats Database. Department of Sustainability, Environment, Water, Population and Communities. Australia.