(jʊˈriːdəʊˌspɔː), urediniospore (ˌjʊərɪˈdɪnɪəˌspɔː) or urediospore (jʊəˈriːdɪəˌspɔː)
noun
any of the brownish spores that are produced in each uredium of the rust fungi and spread the infection between hosts
uredospore in American English
(jʊˈridəˌspɔr)
noun
Botany
a thin-walled, red, summer spore of a rust fungus, produced usually on the leaves or stems of grasses and capable of reinfecting other grasses of the same species