(A. Agassiz, 1863)
Red Sea Urchin
| Province | Rank | Native |
|---|---|---|
| British Columbia | SNR | Yes |
| Province | Rank | Native |
|---|---|---|
| Oregon | SNR | Yes |
| Area | Forest | Acres |
|---|---|---|
| Behm Islands | Tongass National Forest | 4,777 |
| Chichagof | Tongass National Forest | 555,858 |
| College Fiord | Chugach National Forest | 1,130,818 |
| Dall Island | Tongass National Forest | 105,780 |
| Eudora | Tongass National Forest | 195,022 |
| Freshwater Bay | Tongass National Forest | 44,933 |
| Gravina | Tongass National Forest | 37,381 |
| Karta | Tongass National Forest | 52,117 |
| Kogish | Tongass National Forest | 65,216 |
| Mansfield Peninsula | Tongass National Forest | 54,991 |
| North Baranof | Tongass National Forest | 314,089 |
| Outer Islands | Tongass National Forest | 99,862 |
| Pavlof-East Point | Tongass National Forest | 5,399 |
| Redoubt | Tongass National Forest | 68,347 |
| Revilla | Tongass National Forest | 29,298 |
| Sitka Sound | Tongass National Forest | 13,459 |
| Sitka Urban | Tongass National Forest | 112,003 |
| Soda Bay | Tongass National Forest | 78,091 |
| Area | Forest | Acres |
|---|---|---|
| Mt. Baldy | Olympic National Forest | 3,557 |