sorediumn.
/səˈriːdɪəm/ Botany.
A thallus-bud or cell in lichens. Usually in plural.
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pelt1759
pelta1760
scutellum1760
scyphus1777
shield1796
podetium1814
apothecium1830
cistella1832
rhizine1832
scypha1832
soredium1836
amphigastria1842
gonidium1845
macrogonidium1853
hypothallus1855
crustaceous lichens1856
pycnide1856
perianth1857
isidium1866
thamnium1866
endospore1875
perigynium1882
pseudocyphella1882
thecium1882
parathecium1921
soralium1921
1836 J. C. Loudon Encycl. Plants (rev. ed.) 948 Soredia are little heaps of free, pulverulent bodies, mostly of a whitish color, placed on various parts of the frond.
1866 J. Lindley & T. Moore Treasury Bot. II. 867/2 The soredia predominating over the crust it assumes the name of Lepraria.
1882 S. H. Vines tr. J. von Sachs Text-bk. Bot. (ed. 2) 327 A a simple soredium, consisting of a gonidium covered with a web of hyphæ;..C a group of simple soredia.
This entry has not yet been fully updated (first published 1913; most recently modified version published online March 2022).
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n.1836