Taxonomic distinctions within the Puccinia recondita complex are discussed using electron microscopy and morphology. The author argues that P. bromina, P. holcina, and P. triseti are valid separate species, not varieties of P. recondita.
Urban Z. (1966): On the taxonomy of Puccinia recondita Rob. ex Desm. s. l. – Česká Mykologie 20(1): 38–44.