Index filicum sive enumeratio omnium generum specierumque filicum et hydropteridum ab anno 1753 ad finem anni 1905 descriptorum, adjectis synonymis principalibus, area geographica etc. / Carl ChristensenFlora Malesiana : being an illustrated systematic account of the Malesian flora, including keys for determination, diagnostic descriptions, references to the literature, synonymy and distribution and notes on the ecology of its wild and commonly cultivated plants / Lembaga Biologi Nasional, BogorSeries I: Spermatophyta