We present several species below, but you should not expect that these are the only samples you will find. Get a good field guide and identify the algae you ''find'' rather than trying to find the algae you can identify.
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===Green Algae===
{{Species id
{{Species id
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| common_name =Bladder wrack
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| common_name = Sea Lettuce
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| latin_name = Fucus vesiculosus
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| latin_name = Ulva lactuca
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| color = tan
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| color = lightgreen
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| image = Fucus vesiculosus Wales.jpg
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| image = Ulva lactuca - Sowerby.jpg
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| image_caption =
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| image_caption = Ulva lactuca From Sowerby's English botany, 1790-1814. By James Sowerby (1757-1822).
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| range = ''Fucus vesiculosus'' is one of the most common algae on the shores of the British Isles. It is recorded from the Atlantic shores of Europe, the Baltic Sea, Greenland, Azores, Canary Islands and Madeira. It also appears on the Atlantic coast of North America from Ellesmere Island, Hudson Bay to North Carolina.
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| range =
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| description = Fucus vesiculosus is a very variable alga. It can grow to 100 cm or more and is easily recognized by the small gas–filled vesicles which occur in pairs on either side of a central midrib running along the center of the strap-like frond. It was the original source of iodine, discovered in 1811, and was used extensively to treat goiter, a swelling of the thyroid gland related to iodine deficiency. A common food in Japan, bladder wrack is used as an additive and flavouring in various food products in Europe. Bladder wrack is commonly found as a component of kelp tablets or powders used as nutritional supplements. It is sometimes loosely called "kelp", but that term technically refers to a different seaweed.
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| description = ''Ulva lactuca'' is a thin flat green alga growing from a discoid holdfast. The margin is somewhat ruffled and often torn. It may reach 18 cm or more long though generally much less and up to 30 cm across. The membrane is two cells thick, soft and translucent and grows attached, without a stipe, to rock via a small disc-shaped holdfast. Green to dark green in color this species in the Chlorophyta is formed of two layers of cells irregularly arranged, as seen in cross section. The chloroplast is cup-shaped with 1 to 3 pyrenoids.
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Revision as of 19:13, 12 December 2020
We present several species below, but you should not expect that these are the only samples you will find. Get a good field guide and identify the algae you find rather than trying to find the algae you can identify.
Green Algae
Ulva lactuca From Sowerby's English botany, 1790-1814. By James Sowerby (1757-1822). Ulva lactuca
Description:Ulva lactuca is a thin flat green alga growing from a discoid holdfast. The margin is somewhat ruffled and often torn. It may reach 18 cm or more long though generally much less and up to 30 cm across. The membrane is two cells thick, soft and translucent and grows attached, without a stipe, to rock via a small disc-shaped holdfast. Green to dark green in color this species in the Chlorophyta is formed of two layers of cells irregularly arranged, as seen in cross section. The chloroplast is cup-shaped with 1 to 3 pyrenoids.