153,289 species and infraspecific names are in the database, 20,952 images, 59,270 bibliographic items, 409,156 distributional records.

Ulva ohnoi M.Hiraoka & S.Shimada

Publication details
Ulva ohnoi M.Hiraoka & S.Shimada 2004: 20, figs 1-22

Published in: Hiraoka, M., Shimada, S., Uenosono, M. & Masuda, M. (2004). A new green-tide-forming alga, Ulva ohnoi Hiraoka & Shimada sp. nov. (Ulvales, Ulvophyceae) from Japan. Phycological Research 52: 17-29, 25 figs, 4 tables.
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Type species
The type species (holotype) of the genus Ulva is Ulva lactuca Linnaeus.

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

Synonym(s)
No synonyms are currently included in AlgaeBase.

General environment
This is a marine species.

Description
Marine alga with foliose, saxicolous or floating thalli; gametophytes dioecious, producing biflagellate anisogametes in the upper marginal region (up to 2 cm wide); female gametes 7.1 ± 0.3 x 3.5 ± 0.3 µm, male gametes 6.3 ± 0.4 x 2.3 ± 0.3 µm; sporophytes producing quadriflagellate meiospores (9.8 ± 0.5 x 5.5 ± 0.6 µm) also in the upper marginal region (up to 2 cm wide). Attached thallus 20-30 cm in height, light green, fragile, easily torn (often more or less split in the upper portion), orbicular, obovate or ovate, sometimes irregularly expanded, often with microscopic serrations, 30-55 µm thick in the upper and middle regions and 80-90 µm thick in the basal region. Cells in surface view irregularly arranged throughout the thallus, polygonal or quadrangular, 14-20 x 7-15 µm in the upper and middle regions, and circular, 14-30 x 12-20 µm in the basal region; cells in transverse section square or quadrangular with rounded corners throughout the thallus. Chloroplast covers the outer face of cell, with 1-3 pyrenoids. Floating thallus over 50 cm in height, lacking the basal part but similar to attached thalli in other respects.

Type information
Tosa Bay, Tosa, Kochi Prefecture (Hiraoka et al. 2004: 20). Holotype: M. Hiraoka; 12 February, 2000; SAP 095155 (Hiraoka et al. 2004: 20).

Detailed distribution with sources
(as Ulva ohnoi M.Hiraoka & S.Shimada)
Europe: Italy (Cormaci et al. 2014 , Miladi et al. 2008), Spain (incl. Canary Is.) (Gallardo et al. 2016).

Western Atlantic: Trop. & Subtrop. W. Atlantic (Wynne 2017).

South America: Venezuela (Melton et al. 2016).

Africa: Tunisia (Miladi et al. 2008).

South-west Asia: India (Kazi et al. 2016), Iran (Pirian et al. 2016), Israel (Krupnik et al. 2018).

Asia: Japan (Hiraoka et al. 2004, Kirkendale et al. 2013, Yoshida, Suzuki & Yoshinaga 2015), Korea (Bae 2010).

Australia and New Zealand: New South Wales (Kirkendale et al. 2013), Western Australia (Kirkendale et al. 2013).

Pacific Islands: Hawaiian Islands (O'Kelly et al. 2010).

Key references
Bae, H.B. (2010). Ulotrichales, Ulvales. In: Algal flora of Korea. Volume 1, Number 1. Chlorophyta: Ulvophyceae: Ulotrichales, Ulvales, Cladophorales, Bryopsidales. Marine green algae. (Bae, E.H., Kim, H.-S., Kwon, C.-J., Hwang, I.-K., Kiim, G.H. & Klochkova, T.A. Eds), pp. 7-52. Incheon: National Institute of Biological Resources.

Boo, S.M. & Ko, Y.D. (2012). Marine plants from Korea. pp. [1] 5-233, many col. photographs. Seoul: Marine & Extreme Genome Research Centre Program. [in Korean]

Cormaci, M., Furnari, G., & Alongi, G. (2014). Flora marina bentonica del Mediterraneo: Chlorophyta. Bollettino dell'Accademia Gioenia di Scienze Naturali di Catania 47: 11-436.

Kazi, M.A., Kavale, M.G. & Singh, V.V. (2016). Morphological and molecular characterization of Ulva chauguli sp. nov., U. lactuca and U. ohnoi (Ulvophyceae, Chlorophyta) from India. Phycologia 55(1): 45-54.

Kirkendale, L., Saunders, G.W. & Winberg, P. (2013). A molecular survey of Ulva (Chlorophyta) in temperate Australia reveals enhanced levels of cosmopolitanism. Journal of Phycology 49(1): 69-81.

Krupnik, N., Rinkevich, B., Paz, G., Douek, J., Lewinsohn, E., Israel, A., Carmel, N., Mineur, F. & Maggs, C.A. (2018). Native, invasive and cryptogenic Ulva species from the Israeli Mediterranean Sea: risk and potential. Mediterranean Marine Science 19(1): 132-146, 10 figs.

Miladi, R., Manghisi, A., Armeli Minicante, S.. Genovese, G., Abdelfkafi, S. & Morabito, M. (2018). A DNA barcoding survey of Ulva (Chlorophyta) in Tunisia and Italy reveals the presence of the overlooked alien U. ohnoi. Cryptogamie Algologie 39(1): 85-107.

O'Kelly, C.J., Kurihara, A., Shipley, T.C. & Sherwood, A.R. (2010). Molecular assessment of Ulva spp. (Ulvophyceae, Chlorophyta) in the Hawaiian Islands. Journal of Phycology 46(4): 728-735.

Pirian, K., Piri, K., Sohrabipour, J., Jahromi, S. T. & Blomster, J. (2016). Molecular and morphological characterisation of Ulva chaugulii, U. paschima and U. ohnoi (Ulvophyceae) from the Persian Gulf, Iran. Botanica Marina 59(2-3): 147-158.

Created: 01 December 2004 by Sandy Lawson

Verified by: 14 June 2018 by M.D. Guiry

Accesses: This record has been accessed by users 2495 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.)

Angell, A.R., Mata, L., de Nys, R. & Paul, N.A. (2015). Indirect and direct effects of salinity on the quantity and quality of total amino acids in Ulva ohnoi (Chlorophyta). Journal of Phycology 51(3): 536-545.
Angell, A.R., Mata,L., de Nys, R. & Paul, N.A. (2014). Variation in amino acid content and its relationship to nitrogen content and growth rate in Ulva ohnoi (Chlorophyta). Journal of Phycology 50(1): 216-226.
Hiraoka, M., Shimada, S., Uenosono, M. & Masuda, M. (2004). A new green-tide-forming alga, Ulva ohnoi Hiraoka & Shimada sp. nov. (Ulvales, Ulvophyceae) from Japan. Phycological Research 52: 17-29, 25 figs, 4 tables.
Kazi, M.A., Kavale, M.G. & Singh, V.V. (2016). Morphological and molecular characterization of Ulva chauguli sp. nov., U. lactuca and U. ohnoi (Ulvophyceae, Chlorophyta) from India. Phycologia 55(1): 45-54.
Malta, E.J. & De Nys, R. (2016). The effect of short-term preharvest strategies on the carbon constituents of Ulva ohnoi M. Hiraoka et S. Shimada. J. Appl. Phycol. 28(1): 555-565.
Melton, J.T.III, Collado-Vides, L. & López-Baustista, J.M. (2016). Molecular identification and nutrient analysis of the green tide species Ulva ohnoi M. Hiraoka & S. Shimada, 2004 (Ulvophyceae, Chlorophyta), a new report and likely nonnative species in the Gulf of Mexico and Atlantic Florida, USA. Aquatic Invasions : .
Melton, J.T.III, García-Soto, G.C. & J.M.López-Bautista (2016). A new record of the bloom-forming green algal species Ulva ohnoi (Ulvales, Chlorophyta) in the Caribbean Sea. Algas. Boletín Informativo de la Sociedad Española de Ficología 51: 62-64.
Miladi, R., Manghisi, A., Armeli Minicante, S.. Genovese, G., Abdelfkafi, S. & Morabito, M. (2018). A DNA barcoding survey of Ulva (Chlorophyta) in Tunisia and Italy reveals the presence of the overlooked alien U. ohnoi. Cryptogamie Algologie 39(1): 85-107.
Pirian, K., Piri, K., Sohrabipour, J., Jahromi, S. T. & Blomster, J. (2016). Molecular and morphological characterisation of Ulva chaugulii, U. paschima and U. ohnoi (Ulvophyceae) from the Persian Gulf, Iran. Botanica Marina 59(2-3): 147-158.

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Citing AlgaeBase
Cite this record as:
M.D. Guiry in Guiry, M.D. & Guiry, G.M. 2018. AlgaeBase. World-wide electronic publication, National University of Ireland, Galway. http://www.algaebase.org; searched on 20 October 2018.

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