148,347 species and infraspecific names are in the database, 20,273 images, 57,033 bibliographic items, 359,972 distributional records.

Acrothrix gracilis Kylin

Publication details
Acrothrix gracilis Kylin 1907: 93, figs 22, 23; pl. 2

Published in: Kylin, H. (1907). Studien über die Algenflora der schwedischen Westküste. Akademische Abhandlung. pp. [i-iii]-iv, 1-287, 7 pls. Uppsala: K.W. Appelbergs Buchdruckeri.

Type species
This is the type species (holotype) of the genus Acrothrix.

Status of name
This name is of an entity that is currently accepted taxonomically.

Origin of species name
Adjective (Latin), thin, slender (Stearn 1973).

Heterotypic Synonym(s)
Acrothrix novae-angliae W.R.Taylor 1928
Acrothrix norvegica Levring 1937

General environment
This is a marine species.

Type information
Type locality: Sweden

Detailed distribution with sources
(as Acrothrix gracilis Kylin)
Europe: Baltic Sea (Nielsen et al. 1995, Kontula & Fürhapter 2012), Britain (Hardy & Guiry 2003, Brodie et al. 2016), Faroe Islands (Nielsen & Gunnarsson 2001), France (Verlaque 2001, Anon. 2012), Ireland (Cotton 1912, Casley 1974, Guiry 1978, De Valéra et al. 1979, Morton 1994, Guiry 2012), Norway (Jaasund 1965, Rueness 1997, Brattegard & Holte 2001, Husa, Steem & Sjøtun 2014), Scandinavia (Athanasiadis 1996), Sweden (Kylin 1907, Kylin 1947).

North America: Alaska (Wynne 1987, Scagel et al. 1989).

South-west Asia: Turkey (Asia) (Taskin et al. 2008).

Asia: Japan (Yoshida, Nakajima & Nakata 1990, Yoshida 1998), Russia (Far East) (Kloczcova 1996).

(as Acrothrix novae-angliae W.R.Taylor)
North America: Massachusetts (Taylor 1957), New Jersey (Taylor 1957).

(as Acrothrix norvegica Levring)
Europe: Ireland (Casley 1974).

Distributional notes
This species has been introduced into the Mediterranean (Verlaque et al. 2015: 61) being first found in the Etang de Thau (France) in 1998. - (26 Jun 2012) - M.D. Guiry

Key references
Cormaci, M., Furnari, G., Catra, M., Alongi, G. & Giaccone, G. (2012). Flora marina bentonica del Mediterraneo: Phaeophyceae. Bollettino dell'Accademia Gioenia 45: 1-508.

Forward, S.G. & South, G.R. (1985). Observations on the taxonomy and life history of North Atlantic Acrothrix Kylin (Phaeophyceae, Chordariales). Phycologia 24: 347-359.

Verlaque, M., Ruitton, S., Mineur, F. & Boudouresque, C.-F. (2015). CIESM atlas of exotic species of the Mediterranean. Macrophytes. pp. [1]-362, many photograph and maps. Monaco: CIESM Publishers.

Created: 09 April 1996 by M.D. Guiry

Verified by: 04 November 2015 by M.D. Guiry

Accesses: This record has been accessed by users 1803 times since it was created.

Verification of data
Users are responsible for verifying the accuracy of information before use, as noted on the website Content page.

References
(Please note: only references with the binomials in the title are included. The information is from the Literature database.)

Ajisaka, T. & Kawai, H. (1986). The life history of Acrothrix gracilis Kylin (Phaeophyceae, Chondariales) in Japan. Japanese Journal of Phycology 34: 129-136.
Casley, B. (1974). Acrothrix gracilis Kylin on the Galway and Clare coasts. Irish Naturalists' Journal 18: 20 only.
Kawai, H. (1983). Morphological observations on Acrothrix gracilis Kylin (Chordariales, Phaeophyta) newly found in Japan. Japanese Journal of Phycology 31: 167-172.

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Citing AlgaeBase
Cite this record as:
M.D. Guiry in Guiry, M.D. & Guiry, G.M. 2017. AlgaeBase. World-wide electronic publication, National University of Ireland, Galway. http://www.algaebase.org; searched on 22 June 2017.

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