Narcissus

Ramularia vallisumbrosae is a fungal plant pathogen infecting daffodils (Narcissus), causing narcissus white mould disease.

References

Bibliography

• Gregory, P.H. "The life history of Ramularia vallisumbrosae Cav. on Narcissus". Transactions of the British Mycological Society. 23 (1): 24–IN1. doi:10.1016/s0007-1536(39)80013-4.