References

For Hyacinthus

Speta. 1998. In Kubitzki, K., ed. 1998a. The families and genera of vascular plants. III. Flowering plants – Monocotyledons – Lilianae (except Orchidaceae). Springer, Berlin. 478 pp.

Stace, C. 2010. New flora of the British Isles, third edition. Cambridge Univ. Press, Cambridge. 1232 pp.