• Decay class 1 with foliage: Recently dead conifers that still have most of their foliage in addition to bark, branches and tree top.

• Decay class 1 without foliage: Recently dead trees that still have bark, branches and top intact.

• Decay class 2: Snags that have shed fine branches but retain coarse branches and bark.

• Decay class 3: Snags with extensive heartwood decay and that no longer have bark, branches or a tree top.

Not all categories may apply to specific fuelbeds. Unused snag subcategories are grayed out and the "not present" button is checked.