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Name derivation:
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Classification:
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Botrydium Wallroth 1815; 11 of
13 described species are currently accepted (Guiry 2012). Order Botrydiales;
Family
Botrydiaceae |
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Morphology:
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Balloon-shaped
coenocytes, 1-2 mm in diameter, usually green and encrusted with lime (CaCO3)
precipitate. Short rhizoids are
embedded in surface of soil.
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Similar genera:
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Protosiphon (Chlorophyceae) appears similar morphologically, and inhabits a similar soil habitat. The genera can be identified with positive (Protosiphon) or negative staining (Botrydium) with an iodine solution (e.g. Lugol’s Solution, a triiodide solution in water).
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Habitat:
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References:
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Guiry, M.D. & Guiry, G.M. 2012. AlgaeBase. World-wide electronic publication, National University of Ireland, Galway. http://www.algaebase.org; searched on 10 December 2012. Wallroth,
K.F.G. 1815. Annus Botanicus, sive supplementum tertium
ad Curti Sprengelii Floram Halensem 1815. pp. [i]-xxx, 1-194, pls I-VI. Halae: Sumptibus
C.A. Kümmelii.
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