Dryopteris seu Drynaria, Re Ral རེ་རལ Re Ral (Tibet) Dryopteris fragransFlora Danica (1761-1883) Drynaria sinica Dryopteris barbigera H.S. Hu, R.C. Ching, Icones filicum Sinicarum (1937) R.H. Beddome, The ferns of British India, vol. 2 (1866) Adiantum pedatum(Photo by Nova) (Wikimedia) Botanical name: There several types of Re ral used in Tibetan Medicine: Re ral  རེ་རལ།: Adiantum pedatum, A. aspidium (Drynaria sinica, Dryopteris barbigera according to some sources Btsun mo re ral  (Brag Spos)  བློན་པོ་རེ་རལ: Lepisorus waltoni, L. macrospaerus Blon po re ral (Brag skya ha wo)  བཙུན་མོ་རེ་རལ: Corallodiscus kingionus (according to some sources Dryopterls fragrans) Rgyal po re ral  རྒྱལ་པོ་རེ་རལ: (Drynaria propinqua, Dryopteris sinica etc.)This has three types:   a. Be ljang re ral  བེ་ལྗང་རེ་རལ།: Drynaria propinqua, Drynaria baronii  b. Ldum bu re ral ལྡུམ་བུ་རེ་རལ: Dryopteris fragrans, Drynaria sinica  c.. Guy ru krug khyll  Polystichum squarrosum (syn. P. neolobatum)Other species including Aleuritopteris argentea and Polypodium spp. are also commonly listed as a source of Re ral and are perhaps local substitutes. Parts used: Root Temperature & Taste: Cool, dry. slightly Sweet, Bitter Uses: 1. Clears Heat, Resists Poison:-Food poisoning-Mineral Poisons; Herb Poisons; ‘Compound Poison’-Fever due to Poison or Toxic-Heat-Dysentery with Fever-also used in formulas used for Cancer-used in some of…

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