To keep them from drying out, orchids & other rare plants are potted in this moss found in bogs
[DOC] [TLE] Habenaria radiata, the egret flower of the Far East - Botany Boy [PAR] This plant's flower indeed looks much like a snowy egret with its display ... most 
cases and so this plant (along with many other rare species) has found ... bog 
orchid or pitcher plant in summer and very importantly, dry the bulbs off in winter.