P. pluvialis sporangia on tape peel from infected Douglas-fir needle.

P. pluvialis sporangia on tape peel  from infected Douglas-fir needle.

Related Species: 

pluvialis

Photographer: 

Paul Reeser

Host Genus: 

Pseudotsuga

Pathogen Morphology: 

Microscopic photos

Sporangia

Scale: 

Microscopic