| Pachystoma affine Schltr. | 
		Synonym | 
		  | 
		WCSP | 
	
	
		| Pachystoma angustifolium Rchb.f. | 
		Synonym | 
		  | 
		WCSP | 
	
	
		| Pachystoma brevilabium Schltr. | 
		Synonym | 
		  | 
		WCSP | 
	
	
		| Pachystoma chinense (Lindl.) Rchb.f. | 
		Synonym | 
		  | 
		WCSP | 
	
	
		| Pachystoma chinense var. formosanum (Schltr.) S.S.Ying | 
		Synonym | 
		  | 
		WCSP | 
	
	
		| Pachystoma chinensis (Lindl.) Rchb. f. | 
		Synonym | 
		  | 
		TRO | 
	
	
		| Pachystoma edgworthii Rchb.f. | 
		Synonym | 
		  | 
		WCSP | 
	
	
		| Pachystoma formosanum Schltr. | 
		Synonym | 
		  | 
		WCSP | 
	
	
		| Pachystoma fortunei Rchb.f. | 
		Synonym | 
		  | 
		WCSP | 
	
	
		| Pachystoma gracile Schltr. | 
		Synonym | 
		  | 
		WCSP | 
	
	
		| Pachystoma hirsuta (J.Joseph & Vajr.) C.S.Kumar & Manilal | 
		Synonym | 
		  | 
		WCSP | 
	
	
		| Pachystoma holtzei (F.Muell.) F.Muell. | 
		Synonym | 
		  | 
		WCSP | 
	
	
		| Pachystoma josephi Rchb.f. | 
		Synonym | 
		  | 
		WCSP | 
	
	
		| Pachystoma lindleyanum (Wight) Rchb.f. | 
		Synonym | 
		  | 
		WCSP | 
	
	
		| Pachystoma ludaoense S.C.Chen & Y.B.Luo | 
		Accepted | 
		  | 
		WCSP | 
	
	
		| Pachystoma malabaricum Rchb.f. | 
		Synonym | 
		  | 
		WCSP | 
	
	
		| Pachystoma montanum (Lindl.) Rchb.f. | 
		Synonym | 
		  | 
		WCSP | 
	
	
		| Pachystoma nutans S.C.Chen & Y.B.Luo | 
		Accepted | 
		  | 
		WCSP | 
	
	
		| Pachystoma pantanum (Blume) Miq. | 
		Synonym | 
		  | 
		WCSP | 
	
	
		| Pachystoma papuanum Schltr. | 
		Synonym | 
		  | 
		WCSP | 
	
	
		| Pachystoma parvifolium Rchb.f. | 
		Synonym | 
		  | 
		WCSP | 
	
	
		| Pachystoma pubescens Blume | 
		Accepted | 
		  | 
		WCSP | 
	
	
		| Pachystoma pubescens var. gracile (Schltr.) N.Hallé | 
		Synonym | 
		  | 
		WCSP | 
	
	
		| Pachystoma rothschildianum Sander | 
		Synonym | 
		  | 
		WCSP | 
	
	
		| Pachystoma senile (Lindl.) Rchb.f. | 
		Synonym | 
		  | 
		WCSP | 
	
	
		| Pachystoma smithianum (Lindl.) Rchb.f. | 
		Synonym | 
		  | 
		WCSP | 
	
	
		| Pachystoma speciosum (Blume) Rchb.f. | 
		Synonym | 
		  | 
		WCSP | 
	
	
		| Pachystoma thompsoni hort. | 
		Unresolved | 
		  | 
		TRO | 
	
	
		| Pachystoma thomsonianum Rchb.f. | 
		Synonym | 
		  | 
		WCSP | 
	
	
		| Pachystoma wightii Rchb.f. | 
		Synonym | 
		  | 
		WCSP |