* Chung BN, Choi YJ, Choi KH, Do YS, Lee SY (2012) First report of stolbur phytoplasma infection in commercial Freesia hybrida cultivars. Plant Disease 96 (12), p 1820.
------- Isolates found on Freesia hybrida are not confirmed to belong 'Ca. Phytoplasma solani' (only partial 16Sr RNA nucleotide sequences available)
* Parrella G, Gognalons P, Gebre-Selassie K, Vovlas C, Marchoux G (2003) An update of the host range of tomato spotted wilt virus. Journal of Plant Pathology 85(4), 227-264.
------- Confirmed host. As Freesia x hybrida.