(Quél.) Sacc.
Spring Agaricus
| Province | Rank | Native |
|---|---|---|
| Indiana | SNR | Yes |
| Montana | SNR | Yes |
| Province | Rank | Native |
|---|---|---|
| Yukon Territory | SU | Yes |
| Nova Scotia | SU | Yes |
| Island of Newfoundland | SNR | Yes |
| Quebec | S4 | Yes |
| Alberta | S3 | Yes |
| Saskatchewan | SU | Yes |
| British Columbia | SU | Yes |
| Manitoba | SU | Yes |
| Area | Forest | Acres |
|---|---|---|
| Black Canyon | Prescott National Forest | 10,683 |
| Campbell Blue | Apache-Sitgreaves National Forests | 7,003 |
| Area | Forest | Acres |
|---|---|---|
| Chama WS River | Santa Fe National Forest | 4,168 |
| Area | Forest | Acres |
|---|---|---|
| Wellsville | Wasatch-Cache National Forest | 1,717 |