| Sphaerostephanos acrostichoides Holttum | 
		Unresolved | 
		  | 
		IPNI | 
	
	
		| Sphaerostephanos adenostegius Holttum | 
		Unresolved | 
		  | 
		IPNI | 
	
	
		| Sphaerostephanos alatellus Holttum | 
		Unresolved | 
		  | 
		IPNI | 
	
	
		| Sphaerostephanos albosetosus Holttum | 
		Unresolved | 
		  | 
		IPNI | 
	
	
		| Sphaerostephanos alcasidii Holttum | 
		Unresolved | 
		  | 
		IPNI | 
	
	
		| Sphaerostephanos alpinus Holttum | 
		Unresolved | 
		  | 
		IPNI | 
	
	
		| Sphaerostephanos alticola Holttum | 
		Unresolved | 
		  | 
		IPNI | 
	
	
		| Sphaerostephanos angustibasis Holttum | 
		Unresolved | 
		  | 
		IPNI | 
	
	
		| Sphaerostephanos angustifolius Holttum | 
		Unresolved | 
		  | 
		IPNI | 
	
	
		| Sphaerostephanos appendiculatus Holttum | 
		Unresolved | 
		  | 
		IPNI | 
	
	
		| Sphaerostephanos aquatilis Holttum | 
		Unresolved | 
		  | 
		IPNI | 
	
	
		| Sphaerostephanos arbuscula (Willd.) Holttum | 
		Accepted | 
		  | 
		TRO | 
	
	
		| Sphaerostephanos archboldii Holttum | 
		Unresolved | 
		  | 
		IPNI | 
	
	
		| Sphaerostephanos arfakianus Holttum | 
		Unresolved | 
		  | 
		IPNI | 
	
	
		| Sphaerostephanos asplenioides J. Sm. | 
		Unresolved | 
		  | 
		TRO | 
	
	
		| Sphaerostephanos atasripii Holttum | 
		Unresolved | 
		  | 
		IPNI | 
	
	
		| Sphaerostephanos austerus Holttum | 
		Unresolved | 
		  | 
		IPNI | 
	
	
		| Sphaerostephanos baramensis Holttum | 
		Unresolved | 
		  | 
		IPNI | 
	
	
		| Sphaerostephanos batacorum Holttum | 
		Unresolved | 
		  | 
		IPNI | 
	
	
		| Sphaerostephanos batjanensis Holttum | 
		Unresolved | 
		  | 
		IPNI | 
	
	
		| Sphaerostephanos batulantensis Holttum | 
		Unresolved | 
		  | 
		IPNI | 
	
	
		| Sphaerostephanos benoitianus Holttum | 
		Unresolved | 
		  | 
		IPNI | 
	
	
		| Sphaerostephanos braithwaitei Holttum | 
		Unresolved | 
		  | 
		IPNI | 
	
	
		| Sphaerostephanos canescens Holttum | 
		Unresolved | 
		  | 
		IPNI | 
	
	
		| Sphaerostephanos carrii Holttum | 
		Unresolved | 
		  | 
		IPNI | 
	
	
		| Sphaerostephanos cartilagidens P.M.Zamora & Co | 
		Unresolved | 
		  | 
		IPNI | 
	
	
		| Sphaerostephanos cataractorum Holttum | 
		Unresolved | 
		  | 
		IPNI | 
	
	
		| Sphaerostephanos caulescens Holttum | 
		Unresolved | 
		  | 
		IPNI | 
	
	
		| Sphaerostephanos confertus Holttum | 
		Unresolved | 
		  | 
		IPNI | 
	
	
		| Sphaerostephanos convergens Holttum | 
		Unresolved | 
		  | 
		IPNI | 
	
	
		| Sphaerostephanos cucullatus S.M.Almeida & M.R.Almeida | 
		Unresolved | 
		  | 
		IPNI | 
	
	
		| Sphaerostephanos cyrtocaulos Holttum | 
		Unresolved | 
		  | 
		IPNI | 
	
	
		| Sphaerostephanos daymanianus Holttum | 
		Unresolved | 
		  | 
		IPNI | 
	
	
		| Sphaerostephanos debilis Holttum | 
		Unresolved | 
		  | 
		IPNI | 
	
	
		| Sphaerostephanos decadens Holttum | 
		Unresolved | 
		  | 
		IPNI | 
	
	
		| Sphaerostephanos dichrotrichoides Holttum | 
		Unresolved | 
		  | 
		IPNI | 
	
	
		| Sphaerostephanos dichrotrichus Holttum | 
		Unresolved | 
		  | 
		IPNI | 
	
	
		| Sphaerostephanos dimidiolobatus Holttum | 
		Unresolved | 
		  | 
		IPNI | 
	
	
		| Sphaerostephanos diminutus M.G.Price | 
		Unresolved | 
		  | 
		IPNI | 
	
	
		| Sphaerostephanos dimorphus Holttum | 
		Unresolved | 
		  | 
		IPNI | 
	
	
		| Sphaerostephanos diversilobus Holttum | 
		Unresolved | 
		  | 
		IPNI | 
	
	
		| Sphaerostephanos doodioides Holttum | 
		Unresolved | 
		  | 
		IPNI | 
	
	
		| Sphaerostephanos echinosporus Holttum | 
		Unresolved | 
		  | 
		IPNI | 
	
	
		| Sphaerostephanos efogensis Holttum | 
		Unresolved | 
		  | 
		IPNI | 
	
	
		| Sphaerostephanos ekutiensis Holttum | 
		Unresolved | 
		  | 
		IPNI | 
	
	
		| Sphaerostephanos elatus Holttum | 
		Unresolved | 
		  | 
		IPNI | 
	
	
		| Sphaerostephanos ellipticus Holttum | 
		Unresolved | 
		  | 
		IPNI | 
	
	
		| Sphaerostephanos elmerorum Holttum | 
		Unresolved | 
		  | 
		IPNI | 
	
	
		| Sphaerostephanos eminens Holttum | 
		Unresolved | 
		  | 
		IPNI | 
	
	
		| Sphaerostephanos erectus Holttum | 
		Unresolved | 
		  | 
		IPNI | 
	
	
		| Sphaerostephanos erwinii Holttum | 
		Unresolved | 
		  | 
		IPNI | 
	
	
		| Sphaerostephanos exindusiatus Holttum | 
		Unresolved | 
		  | 
		IPNI | 
	
	
		| Sphaerostephanos fenixii Holttum | 
		Unresolved | 
		  | 
		IPNI | 
	
	
		| Sphaerostephanos flavoviridis Holttum | 
		Unresolved | 
		  | 
		IPNI | 
	
	
		| Sphaerostephanos foliolosus Holttum | 
		Unresolved | 
		  | 
		IPNI | 
	
	
		| Sphaerostephanos foxworthyi Holttum | 
		Unresolved | 
		  | 
		IPNI | 
	
	
		| Sphaerostephanos gaudichaudii Holttum | 
		Unresolved | 
		  | 
		IPNI | 
	
	
		| Sphaerostephanos grandescens Holttum | 
		Unresolved | 
		  | 
		IPNI | 
	
	
		| Sphaerostephanos gregarius Holttum | 
		Unresolved | 
		  | 
		IPNI | 
	
	
		| Sphaerostephanos gymnorachis Holttum | 
		Unresolved | 
		  | 
		IPNI | 
	
	
		| Sphaerostephanos hamiferus Holttum | 
		Unresolved | 
		  | 
		IPNI | 
	
	
		| Sphaerostephanos hastatopinnatus Holttum | 
		Unresolved | 
		  | 
		IPNI | 
	
	
		| Sphaerostephanos hellwigensis Holttum | 
		Unresolved | 
		  | 
		IPNI | 
	
	
		| Sphaerostephanos hendersonii Holttum | 
		Unresolved | 
		  | 
		IPNI | 
	
	
		| Sphaerostephanos hernaezii Holttum | 
		Unresolved | 
		  | 
		IPNI | 
	
	
		| Sphaerostephanos heterocarpus (Blume) Holttum | 
		Synonym | 
		  | 
		TRO | 
	
	
		| Sphaerostephanos heterocarpus var. bordenii (H. Christ) Holttum | 
		Unresolved | 
		  | 
		TRO | 
	
	
		| Sphaerostephanos hirsutus Holttum | 
		Unresolved | 
		  | 
		IPNI | 
	
	
		| Sphaerostephanos hirtisorus (C. Chr.) Holttum | 
		Accepted | 
		  | 
		TRO | 
	
	
		| Sphaerostephanos hispidifolius Holttum | 
		Unresolved | 
		  | 
		IPNI | 
	
	
		| Sphaerostephanos hispiduliformis Holttum | 
		Unresolved | 
		  | 
		IPNI | 
	
	
		| Sphaerostephanos hoalensis Holttum | 
		Unresolved | 
		  | 
		IPNI | 
	
	
		| Sphaerostephanos hochreutineri Holttum | 
		Unresolved | 
		  | 
		IPNI | 
	
	
		| Sphaerostephanos humilis Holttum | 
		Unresolved | 
		  | 
		IPNI | 
	
	
		| Sphaerostephanos immucosus Holttum | 
		Unresolved | 
		  | 
		IPNI | 
	
	
		| Sphaerostephanos inconspicuus Holttum | 
		Unresolved | 
		  | 
		IPNI | 
	
	
		| Sphaerostephanos indrapurae Holttum | 
		Unresolved | 
		  | 
		IPNI | 
	
	
		| Sphaerostephanos invisus Holttum | 
		Unresolved | 
		  | 
		IPNI | 
	
	
		| Sphaerostephanos irayensis Holttum | 
		Unresolved | 
		  | 
		IPNI | 
	
	
		| Sphaerostephanos isomorphus Holttum | 
		Unresolved | 
		  | 
		IPNI | 
	
	
		| Sphaerostephanos kalkmanii Holttum | 
		Unresolved | 
		  | 
		IPNI | 
	
	
		| Sphaerostephanos kotoensis (Hayata) Holttum | 
		Synonym | 
		  | 
		TRO | 
	
	
		| Sphaerostephanos kurzii Holttum | 
		Unresolved | 
		  | 
		IPNI | 
	
	
		| Sphaerostephanos lamii Holttum | 
		Unresolved | 
		  | 
		IPNI | 
	
	
		| Sphaerostephanos larutensis C.Chr. | 
		Unresolved | 
		  | 
		IPNI | 
	
	
		| Sphaerostephanos lastreoides Holttum | 
		Unresolved | 
		  | 
		IPNI | 
	
	
		| Sphaerostephanos latebrosus Holttum in B.K.Nayar & S.Kaur | 
		Unresolved | 
		  | 
		IPNI | 
	
	
		| Sphaerostephanos lithophyllus Holttum | 
		Unresolved | 
		  | 
		IPNI | 
	
	
		| Sphaerostephanos lobangensis Holttum | 
		Unresolved | 
		  | 
		IPNI | 
	
	
		| Sphaerostephanos lobatus Holttum | 
		Unresolved | 
		  | 
		IPNI | 
	
	
		| Sphaerostephanos loherianus Holttum | 
		Unresolved | 
		  | 
		IPNI | 
	
	
		| Sphaerostephanos lucbanii Holttum | 
		Unresolved | 
		  | 
		IPNI | 
	
	
		| Sphaerostephanos maemonensis Holttum | 
		Unresolved | 
		  | 
		IPNI | 
	
	
		| Sphaerostephanos magnus Holttum | 
		Unresolved | 
		  | 
		IPNI | 
	
	
		| Sphaerostephanos major Holttum | 
		Unresolved | 
		  | 
		IPNI | 
	
	
		| Sphaerostephanos makassaricus Holttum | 
		Unresolved | 
		  | 
		IPNI | 
	
	
		| Sphaerostephanos melanorachis Holttum | 
		Unresolved | 
		  | 
		IPNI | 
	
	
		| Sphaerostephanos menadensis Holttum | 
		Unresolved | 
		  | 
		IPNI | 
	
	
		| Sphaerostephanos mengenianus Holttum | 
		Unresolved | 
		  | 
		IPNI | 
	
	
		| Sphaerostephanos metcalfei Holttum | 
		Unresolved | 
		  | 
		IPNI | 
	
	
		| Sphaerostephanos mindorensis Holttum | 
		Unresolved | 
		  | 
		IPNI | 
	
	
		| Sphaerostephanos mjobergii Holttum | 
		Unresolved | 
		  | 
		IPNI | 
	
	
		| Sphaerostephanos morotaiensis Holttum | 
		Unresolved | 
		  | 
		IPNI | 
	
	
		| Sphaerostephanos moseleyi Holttum | 
		Unresolved | 
		  | 
		IPNI | 
	
	
		| Sphaerostephanos multiauriculatus Holttum | 
		Unresolved | 
		  | 
		IPNI | 
	
	
		| Sphaerostephanos muluensis Holttum | 
		Unresolved | 
		  | 
		IPNI | 
	
	
		| Sphaerostephanos mundus Holttum | 
		Unresolved | 
		  | 
		IPNI | 
	
	
		| Sphaerostephanos mutabilis Holttum | 
		Unresolved | 
		  | 
		IPNI | 
	
	
		| Sphaerostephanos nakaikei Holttum | 
		Unresolved | 
		  | 
		IPNI | 
	
	
		| Sphaerostephanos neotoppingii Holttum | 
		Unresolved | 
		  | 
		IPNI | 
	
	
		| Sphaerostephanos norrisii Holttum | 
		Unresolved | 
		  | 
		IPNI | 
	
	
		| Sphaerostephanos novae-britanniae Holttum | 
		Unresolved | 
		  | 
		IPNI | 
	
	
		| Sphaerostephanos novoguineensis Holttum | 
		Unresolved | 
		  | 
		IPNI | 
	
	
		| Sphaerostephanos nudisorus Holttum | 
		Unresolved | 
		  | 
		IPNI | 
	
	
		| Sphaerostephanos obtusifolius Holttum | 
		Unresolved | 
		  | 
		IPNI | 
	
	
		| Sphaerostephanos omatianus Holttum | 
		Unresolved | 
		  | 
		IPNI | 
	
	
		| Sphaerostephanos oosorus Holttum | 
		Unresolved | 
		  | 
		IPNI | 
	
	
		| Sphaerostephanos paripinnatus Holttum | 
		Unresolved | 
		  | 
		IPNI | 
	
	
		| Sphaerostephanos peltochlamys Holttum | 
		Unresolved | 
		  | 
		IPNI | 
	
	
		| Sphaerostephanos penniger Holttum in B.K.Nayar & S.Kaur | 
		Unresolved | 
		  | 
		IPNI | 
	
	
		| Sphaerostephanos perglanduliferus Holttum | 
		Unresolved | 
		  | 
		IPNI | 
	
	
		| Sphaerostephanos pilosissimus Holttum | 
		Unresolved | 
		  | 
		IPNI | 
	
	
		| Sphaerostephanos pilososquamatus Holttum | 
		Unresolved | 
		  | 
		IPNI | 
	
	
		| Sphaerostephanos plurifolius Holttum | 
		Unresolved | 
		  | 
		IPNI | 
	
	
		| Sphaerostephanos plurivenosus Holttum | 
		Unresolved | 
		  | 
		IPNI | 
	
	
		| Sphaerostephanos polisianus Holttum | 
		Unresolved | 
		  | 
		IPNI | 
	
	
		| Sphaerostephanos polycarpa Copel. | 
		Unresolved | 
		  | 
		IPNI | 
	
	
		| Sphaerostephanos polyotis Holttum | 
		Unresolved | 
		  | 
		IPNI | 
	
	
		| Sphaerostephanos porphyricola Holttum | 
		Unresolved | 
		  | 
		IPNI | 
	
	
		| Sphaerostephanos posthumii Holttum | 
		Unresolved | 
		  | 
		IPNI | 
	
	
		| Sphaerostephanos potamios Holttum | 
		Unresolved | 
		  | 
		IPNI | 
	
	
		| Sphaerostephanos productus (Kaulf.) Holttum | 
		Synonym | 
		  | 
		TRO | 
	
	
		| Sphaerostephanos pseudomegaphyllus Holttum | 
		Unresolved | 
		  | 
		IPNI | 
	
	
		| Sphaerostephanos pterosporus Holttum | 
		Unresolved | 
		  | 
		IPNI | 
	
	
		| Sphaerostephanos pullenii Holttum | 
		Unresolved | 
		  | 
		IPNI | 
	
	
		| Sphaerostephanos punctatus Holttum | 
		Unresolved | 
		  | 
		TRO | 
	
	
		| Sphaerostephanos pycnosorus Holttum | 
		Unresolved | 
		  | 
		IPNI | 
	
	
		| Sphaerostephanos reconditus Holttum | 
		Unresolved | 
		  | 
		IPNI | 
	
	
		| Sphaerostephanos reineckei Holttum | 
		Unresolved | 
		  | 
		IPNI | 
	
	
		| Sphaerostephanos richardsii Holttum | 
		Unresolved | 
		  | 
		IPNI | 
	
	
		| Sphaerostephanos rigidus Holttum | 
		Unresolved | 
		  | 
		IPNI | 
	
	
		| Sphaerostephanos roemerianus Holttum | 
		Unresolved | 
		  | 
		IPNI | 
	
	
		| Sphaerostephanos rudis Holttum | 
		Unresolved | 
		  | 
		IPNI | 
	
	
		| Sphaerostephanos sagittifolius Holttum | 
		Unresolved | 
		  | 
		IPNI | 
	
	
		| Sphaerostephanos sakayensis Holttum in B.K.Nayar & S.Kaur | 
		Unresolved | 
		  | 
		IPNI | 
	
	
		| Sphaerostephanos santomasii Holttum | 
		Unresolved | 
		  | 
		IPNI | 
	
	
		| Sphaerostephanos sarasinorum Holttum | 
		Unresolved | 
		  | 
		IPNI | 
	
	
		| Sphaerostephanos scandens Holttum | 
		Unresolved | 
		  | 
		IPNI | 
	
	
		| Sphaerostephanos semicordatus Holttum | 
		Unresolved | 
		  | 
		IPNI | 
	
	
		| Sphaerostephanos semimetralis Holttum | 
		Unresolved | 
		  | 
		IPNI | 
	
	
		| Sphaerostephanos sessilipinna Holttum | 
		Unresolved | 
		  | 
		IPNI | 
	
	
		| Sphaerostephanos simplicifolius Holttum | 
		Unresolved | 
		  | 
		IPNI | 
	
	
		| Sphaerostephanos smithianus Holttum | 
		Unresolved | 
		  | 
		IPNI | 
	
	
		| Sphaerostephanos solutus Holttum | 
		Unresolved | 
		  | 
		IPNI | 
	
	
		| Sphaerostephanos spenceri Holttum | 
		Unresolved | 
		  | 
		IPNI | 
	
	
		| Sphaerostephanos squamatellus Holttum | 
		Unresolved | 
		  | 
		IPNI | 
	
	
		| Sphaerostephanos stenodontus Holttum | 
		Unresolved | 
		  | 
		IPNI | 
	
	
		| Sphaerostephanos stipellatus Holttum | 
		Unresolved | 
		  | 
		IPNI | 
	
	
		| Sphaerostephanos stresemannii Holttum | 
		Unresolved | 
		  | 
		IPNI | 
	
	
		| Sphaerostephanos subalpinus Holttum | 
		Unresolved | 
		  | 
		IPNI | 
	
	
		| Sphaerostephanos subbruncatus Holttum in Holttum & P.Chandra | 
		Unresolved | 
		  | 
		IPNI | 
	
	
		| Sphaerostephanos subcanescens Holttum | 
		Unresolved | 
		  | 
		IPNI | 
	
	
		| Sphaerostephanos subcordatus Holttum | 
		Unresolved | 
		  | 
		IPNI | 
	
	
		| Sphaerostephanos suboppositus Holttum | 
		Unresolved | 
		  | 
		IPNI | 
	
	
		| Sphaerostephanos subpectinatus Holttum | 
		Unresolved | 
		  | 
		IPNI | 
	
	
		| Sphaerostephanos subtruncatus Holttum | 
		Unresolved | 
		  | 
		TRO | 
	
	
		| Sphaerostephanos subulifolius Holttum | 
		Unresolved | 
		  | 
		IPNI | 
	
	
		| Sphaerostephanos sudesticus Holttum | 
		Unresolved | 
		  | 
		IPNI | 
	
	
		| Sphaerostephanos sumatrensis C.Chr. | 
		Unresolved | 
		  | 
		IPNI | 
	
	
		| Sphaerostephanos taiwanensis (C. Chr.) Holttum ex C.M. Kuo | 
		Synonym | 
		  | 
		TRO | 
	
	
		| Sphaerostephanos talamauensis C.Chr. | 
		Unresolved | 
		  | 
		IPNI | 
	
	
		| Sphaerostephanos tandikatensis Holttum | 
		Unresolved | 
		  | 
		IPNI | 
	
	
		| Sphaerostephanos telefominicus Holttum | 
		Unresolved | 
		  | 
		IPNI | 
	
	
		| Sphaerostephanos tephrophyllus Holttum | 
		Unresolved | 
		  | 
		IPNI | 
	
	
		| Sphaerostephanos tibangensis Holttum | 
		Unresolved | 
		  | 
		IPNI | 
	
	
		| Sphaerostephanos todayensis Holttum | 
		Unresolved | 
		  | 
		IPNI | 
	
	
		| Sphaerostephanos toppingii C.Chr. | 
		Unresolved | 
		  | 
		IPNI | 
	
	
		| Sphaerostephanos trichochlamys Holttum | 
		Unresolved | 
		  | 
		IPNI | 
	
	
		| Sphaerostephanos trimetralis Holttum | 
		Unresolved | 
		  | 
		IPNI | 
	
	
		| Sphaerostephanos uaniensis Holttum | 
		Unresolved | 
		  | 
		IPNI | 
	
	
		| Sphaerostephanos uniauriculatus Holttum | 
		Unresolved | 
		  | 
		IPNI | 
	
	
		| Sphaerostephanos unijuga Copel. | 
		Unresolved | 
		  | 
		IPNI | 
	
	
		| Sphaerostephanos unitus (L.) Holttum | 
		Accepted | 
		  | 
		TRO | 
	
	
		| Sphaerostephanos urdanetensis Holttum | 
		Unresolved | 
		  | 
		IPNI | 
	
	
		| Sphaerostephanos validus Holttum | 
		Unresolved | 
		  | 
		IPNI | 
	
	
		| Sphaerostephanos veitchii Holttum | 
		Unresolved | 
		  | 
		IPNI | 
	
	
		| Sphaerostephanos vestigiatus Holttum | 
		Unresolved | 
		  | 
		IPNI | 
	
	
		| Sphaerostephanos warburgii Holttum | 
		Unresolved | 
		  | 
		IPNI | 
	
	
		| Sphaerostephanos wauensis Holttum | 
		Unresolved | 
		  | 
		IPNI | 
	
	
		| Sphaerostephanos williamsii Holttum | 
		Unresolved | 
		  | 
		IPNI | 
	
	
		| Sphaerostephanos woitapensis Holttum | 
		Unresolved | 
		  | 
		IPNI | 
	
	
		| Sphaerostephanos wynadensis B.K.Nayar & Geev. | 
		Unresolved | 
		  | 
		IPNI |