RESUMO
During our investigation on microfungi in North Rhine Westphalia in the years 2002 and 2003 we were able to collect and identify some new and rare species of microfungi as parasites and saprophytes on wild and ornamental plants. Some of these like Erysiphe elevata (BURILL.) U. BRAUN & S. TAKAMATSU COMB. NOV. [=Microsphaera elevata BURILL.] on Catalpa bignonioides WALT., Erysiphe syringae-japonicae (U. BRAUN) U. BRAUN & S. TAKAMATSU [= Microsphaera syringae-japonicae U. BRAUN, M. aceris BUNKINA. KOMAROVSKIE CHTENIYA, Erysiphe acerina U. BRAUN & S. TAKAMATSU] on Acer campestre L. and Acer barinerve L., Mycosphaerella iridis (DESM.) SCHROET., Ectostroma iridis FR. and Volutella melaloma BERK. & BR on Iris pseudacorus L., Puccinia doronicella P. SYD. & SYD. on Doronicum columnae TEN., Ascochyta lamiorum SACC. S.L. I=A. phlomidis BUB. & WROB.) on Phlomis tuberosa L., Colletotrichum gloeosporides (PENZ.) SACC. on Passiflora coerulea L., Oidium hortensiae JOERST on Hydrangea macrophylla (THUNB.) SER., Puccinia horiana P. HENN. on Chrysanthemum vulgare (L.) BERNH., Lophodermium pinastri (SCHRAD.) CHEV., Leptostroma pinorum SACC., Sclerophoma pythiophila (CDA) HOHN., Lichenoconium boreale (KARST.) PETRAK. & SYD., Anthostomella formosa KIRSCHST. and Sphaeropsis sapinae (FR.) DYKO & SUTTON on Pinus nigra L. are new for Germany. All samples are located in the Herbarium ESS Mycotheca Parva, Collection G.B. Feige/N. Ale-Agha.
