Gymnostachyum signatum, A Newly Recorded Species from Yunnan, China Typification of Sixteen Plant Names Described by Franchet in 1891 Lectotypifications of Eighteen Names in Monocotyledon Lectotypifications of Nine Names of Chinese Ferns Typification and new synonyms of taxa in Dalbergia (Leguminosae) Lectotypification of Aconitum wolongense W. T. Wang Lectotypifications of Seven Names of Chinese Taxa in Tracheophyta Species Delimitation of Pterygiella (Orobanchaceae), a Genus Endemic to Southwestern China on the Basis of Morphometric and Molecular Analyses The identity of Polyalthia pingpienensis P. T. Li(Annonaceae) Lectotypification of Prenanthes henryi Dunn (Compositae-Lactuceae) A new status and typification of six names in Syringa (Oleaceae) Lectotypification of Impatiens obesa Hook.f.(Balsaminaceae-Impatiens) Lectotypifications of Eighteen Names of Chinese Taxa in Angiospermae Lectotypifications of Ten Names in Ferns New Typification of Impatiens lushiensis Y.L.Chen(Balsaminaceae) Lectotypifications of Sixteen Names in Dicotyledon Validation of Morinda shuanghuaensis and Lectotypification of Morinda howiana (Rubiaceae) Lectotypifications of Thirty-three Names of Chinese Taxa in Theaceae Lectotypifications of Fourteen Names of Chinese Taxa in Scrophulariaceae Lectotypifications of Twelve Names in Seed Plant