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Poa flabellata, commonly known as tussac grass or just tussac, is a tussock grass native to southern South America, the Falkland Islands, South Georgia and other islands in the South Atlantic. There are also two isolated records from the herbarium at the French Muséum national d'histoire naturelle for the Île Amsterdam in the Indian Ocean.[1]

Poa flabellata
Scientific classification
Kingdom:	Plantae
Clade:	Tracheophytes
Clade:	Angiosperms
Clade:	Monocots
Clade:	Commelinids
Order:	Poales
Family:	Poaceae
Subfamily:	Pooideae
Genus:	Poa
Species:	P. flabellata
Binomial name
Poa flabellata (Lam.) Hook. f.
Synonyms
Parodiochloa flabellata Festuca flabellata Dactylis caespitosa Dactylis coespitosa

It was introduced to Shetland,[2] Scotland for basket making in 1844,[3] and possibly as a source of fodder[4] because of its ability to grow in hostile conditions.^{[citation needed]}.

It grows in dense clumps, usually about 2 metres (6 ft 7 in) high (although they can be much taller), on wet coastal land and is a dominant feature of much of the landscape.

Associated organisms

The plant community dominated by P. flabellata is widely used by birds and mammals.

Breeding colonies of southern fur seal, elephant seal, Magellanic penguin, macaroni penguin, and albatrosses are all found amongst tussac grass on South Georgia and elsewhere. The austral thrush is predominantly found in this habitat on the Falkland Islands, with tussocks being used as nesting sites.[5] The South Georgia pipit also uses the tussocks for nesting.

On South Georgia, it was a principal food of the introduced reindeer[6] (which was eradicated in 2015) which had caused considerable environmental damage, including erosion and eventual replacement of tussac grass in places by the introduced annual meadow-grass.[6]

References

Bibliography

• Collar, N. J. (2005), "Family Turdidae (Thrushes)", in del Hoyo. J.; Elliott, A.; Sargatal, J. (eds.), Cuckoo-shrikes to Thrushes, Handbook of the Birds of the World, vol. 10, pp. 514–811, ISBN 84-87334-72-5
• Edmondson, J. R. (1980). "Poa". In T. G. Tutin; V. H. Heywood; N. A. Burges; D. H. Valentine; S. M. Walters; D. A. Webb (eds.). Alismataceae to Orchidaceae. Flora Europea. Vol. 5. Cambridge: Cambridge University Press. pp. 1159–1167.
• Greene, Stanley W. (1964). The vascular flora of South Georgia. British Antarctic Survey.
• Hubbard, C. Grasses (1st ed.). Penguin.
• Marticorena, C. & M. Quezada (1985). Catálogo de la Flora Vascular de Chile. Gayana, Bot. 42: 1–157.
• Moore, D. M. (1983). Flora of Tierra del Fuego. Oswestry; St. Louis: A. Nelson; Missouri Botanical Garden. p. 396.
• Moore, D. M. (1968). The vascular flora of the Falkland Islands. British Antarctic Survey Scientific Reports. 60: 1–202, 1–6 pls.
• Nicora, E. G., M. E. D. Paula, A. M. Faggi, M. d. Mariano, A. M. M. A., L. R. Parodi, C. A. Petetin, F. A. Roig & Z. R. Agrasar (1978). Gramineae. 8(3): 1–583. In M. N. Correa Fl. Patagónica. Instituto Nacional de Tecnología Agropecuaria, Buenos Aires.
• Scott, W. & Palmer R. (1987). The Flowering Plants and Ferns of the Shetland Islands. Shetland Times, Lerwick.
• Sell, Peter; Murrell, Gina (1996). Flora of Great Britain and Ireland: Volume 5, Butomaceae - Orchidaceae. Cambridge University Press. pp. 165–166. ISBN 978-0-521-55339-1.
• Soreng, R. J., G. Davidse, P. M. Peterson, F. O. Zuloaga, E. J. Judziewicz, T. S. Filgueiras & O. Morrone (2003- ). On-line taxonomic novelties and updates, distributional additions and corrections, and editorial changes since the four published volumes of the Catalogue of New World Grasses (Poaceae) published in Contr. U.S. Natl. Herb. vols. 39, 41, 46, and 48. http://www.tropicos.org/Project/CNWG:. In R. J. Soreng, G. Davidse, P. M. Peterson, F. O. Zuloaga, T. S. Filgueiras, E. J. Judziewicz & O. Morrone Internet Catalogue. New World Grasses. Missouri Botanical Garden, St. Louis.
• Soreng, R. J., L. M. Giussani & M. A. Negritto (2003). "Poa". In Catalogue of New World Grasses (Poaceae): IV. Subfamily Pooideae. Contr. U.S. Natl. Herb. 48: 505–580.
• Stace, C.A. (2010). New Flora of the British Isles (3rd ed.). Cambridge: Cambridge University Press. pp. 1232. ISBN 978-0-521-70772-5.
• Stace, Clive A.; Crawley, Michael J. (2015). Alien Plants. New Naturalists. Vol. 129. London: Collins. p. 626. ISBN 978-0-00-750215-8.
• Wace, Nigel Morritt; Holdgate, Martin W. (1976). Man and Nature in the Tristan Da Cunha Islands. International Union for Conservation of Nature and Natural Resources.
• Zuloaga, F. O., E. G. Nicora, Z. E. R. Agrasar, O. Morrone, J. Pensiero & A. M. Cialdella (1994). Catálogo de la familia Poaceae en la República Argentina. Monographs in Systematic Botany from the Missouri Botanical Garden. 47: i–xi, 1–178.
• Zuloaga, F. O., O. Morrone, M. J. Belgrano, C. Marticorena & E. Marchesi (eds.) (2008). Catálogo de las Plantas Vasculares del Cono Sur (Argentina, Sur de Brasil, Chile, Paraguay y Uruguay). Monographs in Systematic Botany from the Missouri Botanical Garden. 107(1): i–xcvi, 1–983; 107(2): i–xx, 985–2286; 107(3): i–xxi, 2287–3348.

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На других языках

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- [en] Poa flabellata

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[es] Poa flabellata

Poa flabellata es una especie de gramínea coriácea de tipo tussok perteneciente a la familia Poaceae, es nativa del sur de Sudamérica y de las islas Malvinas. Fue introducida en Escocia como una fuente de alimento para los animales y por su habilidad para crecer en condiciones hostiles.

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[ru] Мятлик вееровидный

Мя́тлик веерови́дный (лат. Póa flabelláta) — вид злаков рода Мятлик. Родом из крайней южной части Южной Америки[2], также растёт на Фолклендских островах, в Южной Георгии, на архипелаге Тристан-да-Кунья[3] и на других островах Южной Атлантики. В 1844 году растение было интродуцировано на Шетландские острова, где использовалось для плетения корзин[4], а также, возможно, в качестве корма для скота. Poa flabellata образует дерновины высотой до двух метров и выше. Предпочитает влажную прибрежную зону.

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