Phenology of Hyacinthoides non-scripta (L.) Chouard, Melittis melissophyllum L. and Symphytum tuberosum L. in two deciduous forests in the Cantabrian mountains, Northwest Spain
Sierra, G. G., Merino, A. P., & Herrero, E. A. (1996). Phenology of Hyacinthoides non-scripta (L.) Chouard, Melittis melissophyllum L. and Symphytum tuberosum L. in two deciduous forests in the Cantabrian mountains, Northwest Spain. Vegetatio, 122(1), 69-82.