The Economically Important Diseases of Asparagus in the U.S.

Fig. 5. Drawing of Puccinia asparagi spore types. (a) Aecial lesions; (b) Telial lesions; (c) an erupting aecial lesion (X175 magnification); (d) aeciospores (X300 magnification); (e) uredial lesion (X175 magnification); (f) an erupting uredial lesion (X175 magnification); (g) urediospore (X300 magnification); (h) a telial lesion (X25 magnification); (i) an erupting telial (X175 magnification); and (j) teliospores (X300 magnification). Reproduced from Halstead (39).



Image from Plant Health Progress article:
The Economically Important Diseases of Asparagus in the U.S.