| Publication Type: | Journal Article |
| Year of Publication: | 1993 |
| Authors: | C. M. Herrera |
| Journal: | Ecological Monographs |
| Volume: | 63 |
| Pagination: | 251-275 |
| Date Published: | 1993 |
| Keywords: | ECOLOGY, ENDEMISM, MACROGLOSSUM, POLLINATION, POLLINATOR SPECIFICITY, SPAIN, SPHINGIDAE, VIOLA, VIOLACEAE |