Narrow Results by:

Subject Specific Filters:

  1. Category:             

    Stem Decays and Cankers (2)

Image Specific Filters:

Image Setting:

Field (2)
Laboratory (2)

  1. Author:                  

    William Jacobi (2)
    Joseph O'Brien (1)
    USDA Forest Service - Forest Health Protection - St. Paul Archive (1)

Orientation:

Landscape (3)
Portrait (1)

Tree Defects: Decay

Remove Filters: Diseases(X) Hymenochaetales(X) Sign(X)
4 Images of 3 Subjects View Subject List View Image Details View Thumbnails

first prev Page: next last Display:

Subject Scientific Name Images
clinker polypore Inonotus obliquus 2
laminated root disease Phellinus weirii 1
white heartwood rot Phellinus tremulae 1

Page: