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Table 1 Marine algae recorded from the Gorringe seabank and their biogeographical occurrence

From: Preliminary observations on the benthic marine algae of the Gorringe seabank (northeast Atlantic Ocean)

Species Gb 06 Or 06 Gr pr sb ab Pt Az Az sm Md Cn Med Atl en Atl est Atl wst Ind Pac
Rhodophyta
 Acrochaetium sp. + + 0 ep r − − − − − − − − − − −
 Acrosorium ciliolatum (Harvey) Kylin 0 + 0 ep r + + + + + + + + + + +
 Aglaothamnion cf. sepositum (Gunnerus) Maggs and Hommersand 0 0 + u u 0 0 0 0 0 + + 0 0 0 0
 Aglaothamnion sp. 0 + − ep r − − − − − − − − − − −
 Botryocladia cf. chiajeana (Meneghini) Kylin + + 0 el o 0 + 0 + + + 0 + 0 + 0
 Callithamnion tetragonum (Withering) S·F.Gray 0 + 0 u r + + 0 + + + + + 0 0 0
 Callophyllis laciniata (Hudson) Kützing 0 0 + u u + 0 0 0 0 + + + 0 0 +
 Cryptopleura ramosa (Hudson) L.Newton + + + ep/el a + + + + + + + + + 0 +
 Cryptonemia seminervis (C.Agardh) J.Agardh + 0 0 el r + + 0 0 + + + + + + +
 Dasya cf. caraibica Børgesen + + 0 el f 0 0 0 0 + + + + + + +
 Erythrotrichia carnea (Dillwyn) J.Agardh + + 0 ep o + + 0 0 + + + + + + +
 Gracilaria cf. multipartita (Clemente) Harvey + 0 0 el f/o + + 0 0 0 0 + + 0 0 0
 Halymenia floresii (Clemente) C.Agardh 0 0 + u u + 0 0 0 0 + 0 + + + +
 Halymenia sp. + 0 0 u r − − − − − − − − − − −
 Hypoglossum hypoglossoides (Stackhouse) F.S.Collins and Hervey 0 + 0 u o + + 0 + + + + + + + +
 Irvinea cf. ardreana (J.Brodie and Guiry) Guiry 0 0 + u u + 0 0 0 0 0 +p 0 0 0 0
 Kallymenia cf. reniformis (Turner) J.Agardh 0 0 + el u + + 0 + + + + + 0 + +
 Kallymenia cf. requienii (J.Agardh) J.Agardh 0 + + el r 0 0 0 0 + + 0 0 0 0 0
 Laurencia cf. obtusa (Hudson) J.V.Lamouroux 0 0 + u u + + 0 + + + + + + + +
 Lithophyllum incrustans Philippi 0 0 + el u + + + 0 + + + + + + +
 Lithophyllum cf. stictaeforme (Areschoug) Hauck 0 0 + u u 0 0 0 + + + 0 + + 0 +
 Meiodiscus spetsbergensis (Kjellman) G.W.Saunders and McLachlan + 0 0 ez r 0 0 0 0 0 + 0 + 0 0 +
 Mesophyllum alternans (Foslie) Cabioch and M.L.Mendoza 0 0 + u u + + 0 0 + + + 0 0 0 0
 Mesophyllum sp. + 0 0 el/ep o − − − − − − − − − − −
 Nitophyllum punctatum (Stackhouse) Greville 0 + 0 ep r + + 0 + + + + + + + +
 Palmaria palmata (Linnaeus) Weber and Mohr 0 0 + u u + + 0 0 0 0 + 0 0 + +
 Peyssonnelia cf. inamoena Pilger 0 0 + u u 0 0 0 + + + + + + + +
 Plocamium cartilagineum sensu lato cf. Saunders and Lemkuhl (2005) + + + u u + + 0 + + + + + + + +
 Pyropia leucosticta (Thuret) Neefus and J.Brodie 0 0 + u u + + 0 + + + + ? ? + +
 Rhodophyllis divaricata (Stackhouse) Papenfuss + + + ep/el a + + + + + + + + 0 0 0
 Sebdenia monnardiana (Montagne) Berthold 0 0 + u u 0 0 0 0 0 + 0 0 0 0 0
 Spermothamnion strictum (C.Agardh) Ardissone 0 + 0 ep r 0 0 0 0 0 + + 0 0 0 0
 Titanoderma sp. 0 0 + u u − − − − − − − − − − −
Ochrophyta–Phaeophyceae
 Arthrocladia villosa (Hudson) Duby 0 0 + u u + 0 0 + + + + 0 + 0 0
 Desmarestia ligulata (Stackhouse) J.V.Lamouroux + + 0 el c + 0 0 0 0 + + 0 + 0 +
 Dictyopteris polypodioides (A.P.De Candolle) J.V.Lamouroux 0 0 + u f + + + + + + + + + + +
 Dictyota dichotoma (Hudson) J.V.Lamouroux 0 0 + el u + + + + + + + + + + +
 Ectocarpus siliculosus (Dillwyn) Lyngbye 0 + 0 u u + + 0 + + + + + + + +
 Halopteris filicina (Grateloup) Kützing + 0 + u u + + 0 + + + + 0 + + +
 Laminaria ochroleuca Bachelot de la Pylaie + 0 + el f + + + 0 + + + ? + 0 0
 Lobophora variegata (J.V.Lamouroux) Womersley ex E.C.Oliveira + 0 0 el o 0 0 + + + + 0 + + + +
 Saccorhiza polyschides (Light-foot) Batters 0 + 0 el f + 0 0 0 0d + 0 0 0 0 0
 Sporochnus pedunculatus (Hudson) C.Agardh 0 0 + el u + + 0 + + + + 0 + + +
 Zonaria tournefortii (J.V.Lamouroux) Montagne + + + el a + + + + + + +p + + 0 0
Chlorophyta
 Bryopsis hypnoides J.V.Lamouroux 0 + 0 u r + + 0 + + + + 0 + + +
 Valonia cf. aegagropila C.Agardh 0 0 + el u 0 0 0 0 ? + 0 0 + + +
 Valonia macrophysa Kützing 0 + 0 el o 0 + 0 + + + 0 0 + + +
 Valonia utricularis (Roth) C.Agardh 0 + 0 el o + + + + + + +p + + + +
Total out of 42 algae identified to species       31 27 9 24 31 40 34 26 27 25 29
  1. Gb Gettysburg, Or Ormonde, Gr previous Gorringe list (Anon 2005), sb substratum, ab abundance, Pt Portugal, Az Azores, Az sm Azores seamounts, Md Madeira, Cn Canaries, Med Mediterranean Sea, Atl en eastern North Atlantic, Atl est eastern subtropical and tropical Atlantic, Atl wst western subtropical and tropical Atlantic, Ind Indian Ocean, Pac Pacific Ocean; + = present, 0 = not recorded, − = no information, ? = uncertain record, a = abundant, cf. = resembles, d = drift, el = epilithic, ep = epiphytic, ez = epizoic, f = frequent, o = occasional, p = Portugal only, r = rare, u = unknown
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Helgoland Marine Research

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