1. Anonymous (1992) Temporary ill mars rhododendron crops. Am Nurserym 175:15–18
2. Brand MH (1992a) Tissue culture variations: problems. Am Nurserym 175:60–65
3. Brand MH (1992b) Tissue culture variations: solutions. Am Nurserym 175:66–71
4. Brand M, Kiyomoto R (1992) Abnormal growths on micropropagated elepidote rhododendrons. Comb Proc Int Plant Prop Soc 42:530–534
5. Brand MH, Kiyomoto R (1994) Tissue proliferation apparently not lignotubers. Yank Nurs Q 3:5–6