Literature references
1 literature reference for Digitalis purpurea subsp. heywoodii P. & M. Silva:
| Author: | P. & M. Silva |
|---|---|
| Year: | 1959 |
| Title: | – |
| Source: | In: Agron. Lusit. 20: 239 |
1 literature reference for Digitalis purpurea subsp. heywoodii P. & M. Silva:
| Author: | P. & M. Silva |
|---|---|
| Year: | 1959 |
| Title: | – |
| Source: | In: Agron. Lusit. 20: 239 |