Tolypocladium ophioglossoides

Tolypocladium ophioglossoides
Conservation status
	; Vulnerable (NatureServe)
Scientific classification
Kingdom:	Fungi
Division:	Ascomycota
Class:	Sordariomycetes
Order:	Hypocreales
Family:	Ophiocordycipitaceae
Genus:	Tolypocladium
Species:	T. ophioglossoides
Binomial name
	Tolypocladium ophioglossoides; (Ehrh.) Quandt, Kepler & Spatafora (2014)
Synonyms
	Clavaria parasitica Willd. (1787); Sphaeria ophioglossoides J.F.Gmel. (1792); Cordylia ophioglossoides J.F.Gmel. (1818) ; Cordyceps ophioglossoides (Ehrh.) Link (1833); Xylaria ophioglossoides Grognot (1863) ; Torrubia ophioglossoides (Ehrh.) Tul. & C.Tul. (1865); Cordyceps parasitica (Willd.) Henn. (1904); Cordyceps ophioglossoides f. cuboides Kobayasi (1960); Cordyceps ophioglossoides f. alba Kobayasi & Shimizu ex Y.J.Yao (1995); Elaphocordyceps ophioglossoides (Ehrh.) G.H.Sung, J.M.Sung & Spatafora (2007); Elaphocordyceps ophioglossoides f. cuboides (Kobayasi) G.H. Sung, J.M.Sung & Spatafora (2007);

Tolypocladium ophioglossoides, also known by two of its better known synonyms Elaphocordyceps ophioglossoides and Cordyceps ophioglossoides and commonly known as the goldenthread cordyceps, is a species of fungus in the family Ophiocordycipitaceae. It is parasitic on fruit bodies of the truffle-like Elaphomyces. The species is considered inedible, but is valued in traditional Chinese medicine.