Synonymy:
Hydnum sudans Alb. & Schwein., Consp. fung. (Leipzig): 272 (1805)
Thelebolus sudans (Alb. & Schwein.) Fr., Elench. fung. (Greifswald) 2: 51 (1828)
Odontia sudans (Alb. & Schwein.) Bres., Atti Imp. Regia Accad. Rovereto, Ser. 3 3(1): 100 (1897)
Grandinia sudans (Alb. & Schwein.) Pat., Essai Tax. Hyménomyc. (Lons-le-Saunier): 68 (1900)

Hydnum agardhii Fr., Novit. fl. svec. 2: 40 (1814)
Grandinia agardhii (Fr.) Fr., Epicrisis Systematis Mycologici: 528 (1838) [1836-1838]

Porotheleum confusum Berk. & Broome [as 'Porothelium'], Ann. Mag. nat. Hist., Ser. 5 1: 24 (1878)

Porotheleum stevensonii Berk. & Broome [as 'Porothelium stevensoni'], Ann. Mag. nat. Hist., Ser. 5 1: 23 (1878)

Grandinia exsudans P. Karst., Meddn Soc. Fauna Flora fenn. 9: 51 (1883)
Gloeocystidium exsudans (P. Karst.) P. Karst., Bidr. Känn. Finl. Nat. Folk 48: 429 (1889)

Position in classification:
Dacryobolus, Dacryobolaceae, Polyporales, Incertae sedis, Agaricomycetes, Basidiomycota, Fungi

Note:
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