FIGURE. Puccinia caulophylli on Caulophyllum robustum (A–G) and Milium effusum (H–N). A. Plants producing spermogonia and aecia on leaf surface in the field. B. Vertical section of a spermogonium. C. Vertical section of an aecia surrounded with peridia. D, E. Aecia on the leaf surface observed by SEM. F. Aeciospores with verrucose surface observed by SEM. G. Aeciospores. H. Telia on the lower leaf surface. I. Uredinia on the leaf surface observed by SEM. J. Uredinia and telia on the leaf surface. K. Vertical section of an uredinium with paraphyses. L. Urediniospore observed by SEM. M. Vertical section of telia covered by host epidermis. N. Vertical section of a telium covered by host epidermis observed by SEM. Scale bars: B, G, N = 30 μm, C, E, I = 100 μm, F, L = 10 μm, K, M = 20 μm. in Phylogenetic approach for identification and life cycles of Puccinia (Pucciniaceae) species on Poaceae from northeastern China