| Calyptrocalyx albertisianus Becc. | Accepted |  | WCSP | 
	
		| Calyptrocalyx albertisianus var. minor Burret | Synonym |  | WCSP | 
	
		| Calyptrocalyx amoenus Dowe & M.D.Ferrero | Accepted |  | WCSP | 
	
		| Calyptrocalyx angustifrons Becc. | Synonym |  | WCSP | 
	
		| Calyptrocalyx archboldianus Burret | Synonym |  | WCSP | 
	
		| Calyptrocalyx arfakianus (Becc.) Dowe & M.D.Ferrero | Accepted |  | WCSP | 
	
		| Calyptrocalyx australasicus (H.Wendl. & Drude) Hook.f. | Synonym |  | WCSP | 
	
		| Calyptrocalyx awa Dowe & M.D.Ferrero | Accepted |  | WCSP | 
	
		| Calyptrocalyx bifurcatus Becc. | Synonym |  | WCSP | 
	
		| Calyptrocalyx caudiculatus (Becc.) Dowe & M.D.Ferrero | Accepted |  | WCSP | 
	
		| Calyptrocalyx clemensiae Burret | Synonym |  | WCSP | 
	
		| Calyptrocalyx doxanthus Dowe & M.D.Ferrero | Accepted |  | WCSP | 
	
		| Calyptrocalyx elegans Becc. | Accepted |  | WCSP | 
	
		| Calyptrocalyx flabellatus (Becc.) Dowe & M.D.Ferrero | Accepted |  | WCSP | 
	
		| Calyptrocalyx forbesii (Ridl.) Dowe & M.D.Ferrero | Accepted |  | WCSP | 
	
		| Calyptrocalyx geonomiformis (Becc.) Dowe & M.D.Ferrero | Accepted |  | WCSP | 
	
		| Calyptrocalyx hollrungii (Becc.) Dowe & M.D.Ferrero | Accepted |  | WCSP | 
	
		| Calyptrocalyx julianettii (Becc.) Dowe & M.D.Ferrero | Accepted |  | WCSP | 
	
		| Calyptrocalyx laccospadix F.M.Bailey | Synonym |  | WCSP | 
	
		| Calyptrocalyx lauterbachianus Warb. ex Becc. | Accepted |  | WCSP | 
	
		| Calyptrocalyx laxiflorus Becc. | Accepted |  | WCSP | 
	
		| Calyptrocalyx lepidotus (Burret) Dowe & M.D.Ferrero | Accepted |  | WCSP | 
	
		| Calyptrocalyx leptostachys Becc. | Accepted |  | WCSP | 
	
		| Calyptrocalyx merrillianus (Burret) Dowe & M.D.Ferrero | Accepted |  | WCSP | 
	
		| Calyptrocalyx micholitzii (Ridl.) Dowe & M.D.Ferrero | Accepted |  | WCSP | 
	
		| Calyptrocalyx minor Burret [Invalid] | Synonym |  | WCSP | 
	
		| Calyptrocalyx moszkowskianus Becc. | Synonym |  | WCSP | 
	
		| Calyptrocalyx multifidus (Becc.) Dowe & M.D.Ferrero | Accepted |  | WCSP | 
	
		| Calyptrocalyx pachystachys Becc. | Accepted |  | WCSP | 
	
		| Calyptrocalyx pauciflorus Becc. | Accepted |  | WCSP | 
	
		| Calyptrocalyx polyphyllus Becc. | Accepted |  | WCSP | 
	
		| Calyptrocalyx pusillus (Becc.) Dowe & M.D.Ferrero | Accepted |  | WCSP | 
	
		| Calyptrocalyx schlechterianus Becc. | Synonym |  | WCSP | 
	
		| Calyptrocalyx schultzianus Becc. | Synonym |  | WCSP | 
	
		| Calyptrocalyx sessiliflorus Dowe & M.D.Ferrero | Accepted |  | WCSP | 
	
		| Calyptrocalyx spicatus (Lam.) Blume | Accepted |  | WCSP | 
	
		| Calyptrocalyx stenophyllus Becc. | Synonym |  | WCSP | 
	
		| Calyptrocalyx yamutumene Dowe & M.D.Ferrero | Accepted |  | WCSP |