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soredium

soredium (pl. soredia) A small body, consisting of a core of algal cells surrounded by fungal hyphae, that functions as a structure of vegetative propagation in lichens. Soredia, which range from 25 to 100 μm in diameter, are released like spores and are dispersed in air currents. Compare isidium.

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soredium

soredium A microscopic structure formed by certain lichens as a means of vegetative propagation: it consists of a few fungal hyphae among which are enmeshed a few cells of the phycobiont. To the naked eye, soredia in masses appear as a granular or fine powder.

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"soredium." A Dictionary of Plant Sciences. . Encyclopedia.com. 24 May. 2018 <http://www.encyclopedia.com>.

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"soredium." A Dictionary of Plant Sciences. . Retrieved May 24, 2018 from Encyclopedia.com: http://www.encyclopedia.com/science/dictionaries-thesauruses-pictures-and-press-releases/soredium

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