Literature references
1 literature reference for Polyporus perennis var. canadensis Klotzsch ex Berk., 1839:
| Author: | Klotzsch ex Berk. |
|---|---|
| Year: | 1839 |
| Title: | – |
| Source: | In: Ann. nat. Hist., Mag. Zool. Bot. Geol. 3:385. |
1 literature reference for Polyporus perennis var. canadensis Klotzsch ex Berk., 1839:
| Author: | Klotzsch ex Berk. |
|---|---|
| Year: | 1839 |
| Title: | – |
| Source: | In: Ann. nat. Hist., Mag. Zool. Bot. Geol. 3:385. |