Calamus crassifolius J.Dransf. Calamus crinitus (Blume) Miq. Calamus cristatus (Becc.) W.J.Baker Calamus croftii J.Dransf. & W.J.Baker Calamus cumingianus Becc. Calamus cuthbertsonii Becc. Calamus dasyacanthus W.J.Baker, Bayton, J.Dransf. & Maturb. Calamus deerratus G.Mann & H.Wendl. Calamus delicatulus Thwaites Calamus densifloropsis A.J.Hend. Calamus densiflorus Becc. Calamus depauperatus Ridl. Calamus dianbaiensis C.F.Wei Calamus didymocarpus Warb. ex Becc. Calamus diepenhorstii Miq. Calamus digitatus Becc. Calamus dilaceratus Becc. Calamus dioicus Lour. Calamus discolor Mart. Calamus disjunctus A.J.Hend. Calamus distentus Burret Calamus divaricatus Becc. Calamus divergens A.J.Hend., Pitopang & Moh.Iqbal Calamus dongnaiensis Pierre ex Becc. Calamus dracunculus (Ridl.) W.J.Baker Calamus dumetosus (J.Dransf.) A.J.Hend. & Floda Calamus egregius Burret Calamus elegans Becc. ex Ridl. Calamus erectus Roxb. Calamus erinaceus (Becc.) Becc. Calamus erioacanthus Becc. Calamus erythrocarpus W.J.Baker & J.Dransf. Calamus essigii W.J.Baker Calamus eugenei W.J.Baker Calamus evansii A.J.Hend. Calamus exiguus A.J.Hend. Calamus exilis Griff. Calamus fertilis Becc. Calamus filipendulus Becc. Calamus filispadix Becc. Calamus fissilis A.J.Hend., N.K.Ban & N.Q.Dung Calamus flabellatus Becc. Calamus flagellum Griff. ex Walp. Calamus floribundus Griff. Calamus formicarius (Becc.) W.J.Baker Calamus formosanus Becc. Calamus furvus A.J.Hend. Calamus gaharuensis A.J.Hend. Calamus gajoensis A.J.Hend. & Rustiami Calamus gamblei Becc. Calamus geniculatus Griff. Calamus gibbsianus Becc. Calamus glaucescens (Blume) D.Dietr. Calamus godefroyi Becc. Calamus gonospermus Becc. Calamus goramensis A.J.Hend. Calamus gracilipes Miq. Calamus gracilis Roxb. Calamus griseus J.Dransf. Calamus guruba Buch.-Ham. ex Mart. Calamus hallierianus (Becc. ex K.Heyne) W.J.Baker Calamus harmandii Pierre ex Becc. Calamus heatubunii W.J.Baker & J.Dransf. Calamus helferianus Kurz Calamus henryanus Becc. Calamus heteracanthopsis A.J.Hend. Calamus heteracanthus Zipp. ex Blume Calamus heteroideus Blume Calamus hirsutus (Blume) Miq. Calamus holttumii Furtado Calamus hookerianus Becc. Calamus horrens Blume Calamus hosensis A.J.Hend. Calamus hukaungensis A.J.Hend. Calamus impressus A.J.Hend., Pitopang & Moh.Iqbal Calamus inermis T.Anderson Calamus ingens (J.Dransf.) W.J.Baker Calamus inops Becc. ex K.Heyne Calamus insignis Griff. Calamus insolitus A.J.Hend. Calamus insularis A.J.Hend. Calamus interruptus Becc. Calamus jacobsii W.J.Baker & J.Dransf. Calamus javensis Blume Calamus johanis A.J.Hend. Calamus johndransfieldii W.J.Baker Calamus johnsii W.J.Baker & J.Dransf. Calamus kampucheaensis A.J.Hend. & Hourt Calamus kandariensis Becc. Calamus karuensis Ridl. Calamus katikii W.J.Baker & J.Dransf. Calamus kebariensis Maturb., J.Dransf. & W.J.Baker Calamus kinabaluensis A.J.Hend. Calamus kingianus Becc. Calamus kjellbergii Furtado Calamus klossii Ridl. Calamus kontumensis A.J.Hend., N.K.Ban & N.Q.Dung Calamus koordersianus Becc. Calamus kostermansii W.J.Baker & J.Dransf. Calamus kubahensis A.J.Hend. Calamus kunstleri (Becc.) W.J.Baker Calamus lakshmanae Renuka Calamus lambirensis J.Dransf. Calamus lamprolepis (Becc.) W.J.Baker Calamus laoensis T.Evans, Sengdala, Viengkham, Thamm. & J.Dransf. Calamus lateralis A.J.Hend., N.K.Ban & N.Q.Dung Calamus latifolius Roxb.