about this key identify a rust fungus browse rust fungi host index records & references  

Puccinia myrsiphylli (Thüm.) G. Winter

Description
Uredinia on lower leaf surface, subcuticular or subepidermal, erumpent, round, hyaline to subhyaline, peridium present.

Urediniospores globose, subglobose or ellipsoidal, hyaline to subhyaline, 20‒30 × 20‒24 μm; wall 1‒2 μm thick, finely verruculose.

Telia on stems or lower leaf surface, subepidermal, black.

Teliospores cylindrical, apex acuminate or rounded, 2 celled, yellowish brown, 41-67 × 19‒27 μm; wall 2‒3 μm thick at sides, 4‒8 μm thick at apex, smooth, with persistent pedicel, up to 20 μm.

Hosts
Host family: Asparagaceae
Host species: Asparagus asparagoides

Distribution
WA

Comments
Puccinia myrsiphylli was introduced from South Africa in 2000 as a biological control agent for Asparagus asparagoides (bridal creeper) across southern Australia (Morin et al. 2002).