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Madrono, Vol. 58, No. 3, p. 201, 2011 NOTEWORTHY COLLECTION California the result ofan introductory event. In Tomales Bay, P. suhorhiculatajoins a list offive other non-native algae: PORPHYRA SUBORBICULATA Kjellman 1897:10-13 — Caulacanthus ustulatus (Turner) Kl'itzing, Codiuni (BANGIACEAE). Marin Co., epizoic on barnacles fragile subsp. tomentosoides (van Goor) P. C. Silva, attached to pilings in the upper intertidal at Nick's Gelidium vaguni Okamura, Lonientaria hakodatensis (tCHhouUavlgClehi,e1syt9Te6ors6.imnl6.ae8l7a(e,nUsdCUfBCe1ar9yti6,1l6e96,63868916)28.18Mr)a57ya.n42d20"12N10,, 7J.1u2lR2y.52H50u'1g11h6,.e4vJ.0"s.WRn.,. tdYKuae.rtnead;Kojo,Hefludagosnyhedsnet,yeSrasS1r9og9inan5s;osTmHuoamumgamShltueeatsytieceButUamnayil.(veYb1ree9sng9id6ato)yn.),aTFurhenoenpusunhmbodallriits1ch9u(e0lCd7.- Previous kmnvledge. Porphyra suhorhiculatci is natu- (Barrett 1963), and oysters are the likely vector for the rally distributed throughout Asia (type locality: Goto- introduction ofP. suhorhiculata in the bay. retto, Nagasaki Prefecture, Japan (Silvaetal. 1996) and reportedly also occurs naturally in the Indian Ocean, — Australia, and New Zealand (Broom et al. 2002). Jeffery R. Hughey, Department ofSCcAience and However, based on recent molecular evidence some P. Engineering, Hartnell College, Salinas, 93901. suhorhiculata from Australia and New Zealand, as well jhughey(a^hartnell.edu. as North America (Mexico and the Atlantic coast of Literature Cited North America) represent introduced populations (Broom et al. 2002; Klein et al. 2003; Neefus et al. Aguilar-Rosas, R. and L. E. Aguilar-Rosas. 2003. 2008). The occurrence of this seaweed in areas El genero Porphyra (Bangiales, Rhodophyta) en la associated with increased shipping activity suggest that costa Pacifico de Mexico. I. Porphyrasuhorhiculata its numerous introductions were the result ofhitchhik- Kjellman. Hidrobiologica 13:51-56. ingson thehullsofseagoingvessels(Broomet al. 2002). Barrett, E. M. 1963. Fish Bulletin 123. TheCalifornia In the eastern Pacific, P. suhorhiculata was first oyster industry. Scripps Institution of Oceanogra- collected in 1985 from Baja California, Mexico phy Library, UC San Diego, San Diego, CA, s(uAhgourihliacru-lRaotsaasshoawnsdsAogmuielvaarr-iRaotsiaosn i2n00m3o)r.pAhlotlhogoyu,ghitPi.s W[aecbcseistseed h1t0tpS:e/p/tesecmhboelrars2h01i1p]..org/uc/item/1870g57m 4gencemrailnlydicahmaertaecrt)e,rimzoendoasstrboeminagtiacraellgaat,ivewliythsmbarlolw(n0i.s5h- BrooJmon,esJ,. RE..,AWg.uilAa.rNReolssaosn,,aCn.dYLa.riEs.hA,guWi.laAr. red topink, orbronzeand violetcoloredbladesthat are Rosas. 2002. A reassessment of the taxonomic 2o0v0a2t;eAtgouicloarrd-aRtoesaosrarnedniAfgourimlairn-Rsohsaapse20(0B3r;oNoemefeutsaelt. nsetnastiuss oafndPoProprhpyhryarasuhloirlhliipcuutliaatnaa,(PBoanrgpihaylreas,caRrholoi-- al. 2008). dophyta) based on molecular and morphological Significance. First report of P. suhorhiculata in TCaolmiaflorensia.BayThaeregianmeatgorpeheymteinct wthiatlhlidecsoclrliepcttieodnsfarnodm Hughdaetya,. EJ.urRo.pe1a9n95.JoAurnsaylstoefmaPthiyccosltougdyy o37f:2C2l7w-n2d3r5a.- illustrations ofthis species. Specimens from California canthus Kiitzing (Rhodophyceae) with a contribu- arecordate at the base, and ovate to deeply reniformin tiontothemarinefloraofTomales Bay, California. shape. The margins are sHghtly ruffled and appear M.A. thesis, Sonoma State University, Rohnert dentate to the unaided eye. Under microscopic exam- Park, CA. ination thalli show the diagnostic marginal teeth. The , C. K. Kjeldsen, P. C. Silva, R. L. Moe, and bladecolorisreddish-browninspringandsteelgreenish T. C. Decew. 1996. Noteworthy Collections. in summer, and fronds are more or less equal in width Madroiio 43:432. and height, measuring to 1.8 cm. Spot checks for this Klein, A. S., A. C. Mathieson, C. D. Neefus, D. F. alga at Marshall and Marconi failed to yield additional Cain, H. A. Taylor, B. W. Teasdale, A. L. specimens. Identification of this invasive species was West, E. J. Hehre, J. Brodie, C. Yarish, and confirmed using rhcL (GenBank JN413680) and ITS-1 A. L. Wallace. 2003. Identification of north- (GenBank JN413679) DNA sequences. The rhch western Atlantic Porphyra (Bangiaceae, Bangiales) sequence was identical to two sequences from Japan based on sequence variation in nuclear SSU and (Kanagawa, Yokosuka, Sajima and Yamaguchi, Shi- plastid rhc'L genes. Phycologia 42:109-122. monoseki, Tsunoshima) and differed from others in the Neefus, C. D., A. C. Mathieson, T. L. Bray, and C. database by 2 or more bp. The ITS-1 sequence was Yarish. 2008. The distribution, morphology, and identical to fifteen other sequences deposited in ecology of three introduced Asiatic species of GenBank representing populations from around the Porphyra (Bangiales, Rhodophyta) in the north- world. Since the rhcL sequence generated for P. western Atlantic. Journal of Phycology 44:1399- suhorhiculata from Tomales Bay matches specimens 1414. from Japan and the ITS-1 sequence is identical to other Silva, P. C, P. W. Basson, and R. L. Moe. 1996. invasivepopulationsofthisspeciesfrom Australia, Baja CatalogueofthebenthicmarinealgaeoftheIndian California, NewZealand, and thewesternAtlantic, it is Ocean. University of California Publications in concluded that the population from California is also Botany, Berkeley, CA.

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