Helictochloa hackelii (Henriq.) Romero Zarco (2011:102)



Taxonomy & Nomenclature

Synonyms: Avena hackelii Henriq. in Bol. Soc. Brot. 20: 87 (1905); Avenastrum hackelii (Henriq.) Vierh. in Verh. Ges. Deutsch. Naturf. 75(2; 1): 672 (1914); Arrhenatherum hackelii (Henriq.) Samp. in Anais Fac. Ci. Univ. Porto 17: 45 (1931); Helictotrichon hackelii (Henriq.) Henrard in Blumea 3: 430 (1940); Avenochloa hackelii (Henriq.) Holub in Acta Horti Bot. Prag. 1962: 84 (1962); Avenula hackelii (Henriq.) Holub in Folia Geobot. Phytotax. 11: 295 (1976); Avenula hackelii var. algarbiensis Romero Zarco in Lagascalia 13: 136 (1984); Avenula hackelii subsp. algarbiensis (Romero Zarco) Rivas Mart., T.E.Díaz & Fern.Gonz. in Itin. Geobot. 3: 137 (1990); Helictotrichon hackelii var. algarbiense (Romero Zarco) Govaerts in Bol. Soc. Brot., sér. 2.A, 66: 294 (1994); Helictochloa hackelii var. algarbiensis (Romero Zarco) Romero Zarco in Candollea 66: 102 (2011)


Conservation Status

Rediscovered (Bilz, 2011 fide Humphreys et al., 2019)





Biology & Ecology










Anonymous. (1983). List of rare, threatened and endemic plants in Europe, 1982 edn. (Nature and Environment Series 27). Strasbourg: Council of Europe.

Bilz, M. (2011). Helictochloa hackelii. The IUCN Red List of Threatened Species 2011: e.T13167913A81894326. Accessed on 04 February 2024.

Greuter, Werner. (1994). Extinctions in Mediterranean areas. Philosophical Transactions of the Royal Society, Ser. B, 344: 41-46.

Humphreys, Aelys M., Govaerts, Rafaël, Ficinski, Sarah Z., Lughadha, Eimear Nic and Vorontsova, Maria S. (2019). Global dataset shows geography and life form predict modern plant extinction and rediscovery. Nature Ecology & Evolution 3: 1043-1047. [Supplementary Dataset 1]

Ramos Lopes, M. H. and Carvalho, M. L. S. (supervisão de Pinto da Silva, A. R.). (1990). Lista de espécies botânicas a proteger em Portugal Continental. Documento de Trabalho do Serviço Nacional de Parques, Reservas e Conservação da Natureza, Lisboa.

Tutin, T. G. et al. (eds.). (1980). Flora Europaea 5: 1-452. Cambridge University Press.

WCSP. (2003). World Checklist of Selected Plant Families. Facilitated by the Royal Botanic Gardens, Kew. Published on the Internet;


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