Cryptic paw (Nephroma occultum) COSEWIC assessment and status report: chapter 17

Appendix 1 - Distribution of Nephroma occultum in the United States of America

The Distribution of Nephroma occultum in the United States of America

Nephroma occultum occurs in three American states: Alaska, Washington and Oregon. In Washington and Oregon, N. occultum is listed as a species to survey and manage as part of the Northwest Forest Plan (USDA and USDI 1994). Information about the distribution of this lichen, including a map and a listing by county, is available on-line. A map of the 190 known localities in Washington and Oregon is shown below (Figure 7).

In Alaska, Nephroma occultum is presently known from the six localities listed in the table 2.

Table 2. Known Alaskan localities for Nephroma occultum to 2004
Locality Source of Information
Chilkoot Lake State Recreation Area S. Sharnoff pers. comm. 2005
Chugach National Forest, College Fjord, Prince William Sound C. Derr pers. comm. 2005
Chugach National Forest, Turnagain Arm, near Girdwood C. Derr pers. comm. 2005
Kuiu island, Tebenkof Wilderness K. Dillman pers. comm. 2005
Kenai Peninsula, Seward Zavarzin and Timdal 2004
Richardson Highway, Mile 9 Zavarzin and Timdal 2004

Figure 7. Distribution of Nephroma occultum in Washingtonand Oregon (USDI Bureau of Land Management).

Figure 7.  Distribution of Nephroma occultum in Washingtonand Oregon (USDI Bureau of Land Management).

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