Name:		Thelidium A. Massal., (1855) page 15 [basionym]
Synonym(s):		Starbaeckiella (Sacc. & P. Syd.) Syd. & P. Syd. (1919) Pyrenula Ach. (1809) Parmentaria Fée (1825) Melanotheca Fée (1837) Bunodea A. Massal. (1855) Parmentieria Trevis. (1860) Chrooicia Trevis. (1861) Coenicia Trevis. (1861) Coenoicia Trevis. (1861) Parathelium Nyl. (1862) Pleurothelium Müll. Arg. (1885) Phragmothele Clem. (1909) Pleamphisphaeria Höhn. (1919) Titanella Syd. & P. Syd. (1919) Mycopyrenula Vain. (1921) Pleurotheliopsis Zahlbr. (1922) Paraphysothele Zschacke (1934) Acrotellum Tomas. & Cif. (1952) Papulare Tomas. & Cif. (1952) Pyrenophorum Tomas. & Cif. (1952) Acrotellomyces Cif. & Tomas. (1953) Bottariomyces Cif. & Tomas. (1953) Involucrothele Servít (1953) Papulariomyces Cif. & Tomas. (1953) Parmentariomyces Cif. & Tomas. (1953) Pyrenastromyces Cif. & Tomas. (1953) Pyrenophoromyces Cif. & Tomas. (1953) Thelidiomyces Cif. & Tomas. (1953)
Status:		Genus, lichen-forming
Taxonomic position:		Verrucariaceae Zenker [Family] Verrucariales Mattick ex D. Hawksw. & O.E. Erikss. [Order] Chaetothyriomycetidae Doweld [Subclass] Eurotiomycetes O.E. Erikss. & Winka [Class] Pezizomycotina O.E. Erikss. & Winka [Subdivision / Subphylum] Ascomycota Caval.-Sm. [Division / Phylum] Fungi R.T. Moore [Kingdom]
Constituent taxa:		Species Thelidium absconditum (Hepp) Rabenh. Thelidium absconditum (Körb.) Rabenh. Thelidium abstractum Lettau Thelidium acroglyptum Norman Thelidium acrotelloide Thelidium acrotelloides Servít Thelidium acrotellum Arnold Thelidium aeneovinosum (Anzi) Arnold Thelidium aeniovinosum (Anzi) Arnold Thelidium aerimontanum Zschacke Thelidium aethioboloides Thelidium aggregatum Mudd Thelidium algovicum Thelidium alpinum (Zschacke) Servít Thelidium amethystinum Riehm. Thelidium amylaceum auct. Thelidium anisomerum Hellb. Thelidium anisosporum (Müll. Arg.) Zahlbr. Thelidium antonellianum Bagl. & Carestia Thelidium aphanes J. Lahm Thelidium aquaticum Servít Thelidium ardesiacum Bagl. & Carestia Thelidium areolatum J.W. Thomson Thelidium argilospilum (Nyl.) Blomb. & Forssell Thelidium arnoldianum Servít Thelidium arnoldii Zschacke Thelidium asperatum (Garov.) Zahlbr. Thelidium athallinum Servít Thelidium aurantii Mont. Thelidium auruntii (A. Massal.) Kremp. Thelidium austriacum Zschacke Thelidium austroatlanticum Orange Thelidium bavaricum Dalla Torre & Sarnth. Thelidium bermudanum Riddle Thelidium biformis (Borrer) Mudd Thelidium borreri Mudd Thelidium brachysporum (Zschacke) Servít Thelidium brasiliense (Müll. Arg.) Servít Thelidium brucegiense Thelidium bryoctonum Th. Fr. Thelidium bryospilum (Nyl.) Blomb. & Forssell Thelidium bubulcae (A. Massal.) Arnold Thelidium bucegiense Servít Thelidium bukovicae Servít Thelidium calcareum (C. Knight) Hellb. Thelidium calcivorum Thelidium caloplacae C.W. Dodge & G.E. Baker Thelidium cataractarum (Hepp) Lönnr. Thelidium chlorococcum (Leight.) Keissl. Thelidium cinerascens (Arnold) Servít Thelidium cinerascens (Anzi) Servít Thelidium cinereosum Eitner Thelidium circumspersellum (Nyl.) Zschacke Thelidium circumvallatum Thelidium coerulescens Jatta Thelidium coeruleum (DC.) Gams Thelidium concinnum (Borrer) Servít Thelidium congregabile (Stizenb.) Zahlbr. Thelidium congregatum (Hepp) Servít Thelidium conoideum (Fr.) Kremp. Thelidium corconticum Servít Thelidium corticola H. Magn. Thelidium crassum (A. Massal.) A. Massal. Thelidium creticum J. Steiner Thelidium croaticum Servít Thelidium cyacum Thelidium dactyloideum Arnold Thelidium decipiens (Nyl.) Kremp. Thelidium decipiescens Thelidium decussatum (Kremp.) Zschacke Thelidium denudatum Lynge Thelidium diaboli A. Massal. Thelidium dionatense (Hue) Zahlbr. Thelidium disjunctum (Arnold) Servít Thelidium distans (Willey) Zahlbr. Thelidium dominans Arnold Thelidium dufourii (DC.) Servít Thelidium eitneri Zahlbr. Thelidium elaeinum (Borrer) Mudd Thelidium endocalcinum Servít Thelidium epipolaeum Thelidium epipolytropum Mudd Thelidium epomphalum (Nyl.) Zahlbr. Thelidium erichseni Keissl. Thelidium erichsenii Keissl. Thelidium exile Arnold Thelidium explicatum (Stirt.) Wheldon & A. Wilson Thelidium farlowi Thelidium farlowii Riddle Thelidium flandricum de Lesd. Thelidium fontigenum A. Massal. Thelidium fueistingii Körb. Thelidium fulloënse Servít Thelidium fumidum (Nyl.) Hazslin Thelidium galbanum (Kremp.) Körb. Thelidium gemmatum (Ach.) Kremp. Thelidium geophilum (Nyl.) Arnold Thelidium gibbosum Zschacke Thelidium gisleri (Müll. Arg.) Zahlbr. Thelidium globiferum Servít Thelidium grummannii Servít Thelidium gyelniki Servít Thelidium gyelnikii Servít Thelidium halizoa (Leight.) Eitner Thelidium halodytes (Nyl.) Erichsen Thelidium halophilum Keissl. Thelidium hammoniense Erichsen Thelidium hazlinszkyi Thelidium hazslinszkyi Szatala Thelidium heardense C.W. Dodge Thelidium heterosporum (Garov.) Zahlbr. Thelidium hochstetteri Fr. Thelidium holsaticum (Erichsen) Keissl. Thelidium hospitum Arnold Thelidium hymenelioides Körb. Thelidium immersum (Leight.) Mudd Thelidium impressulum Zschacke Thelidium impressum (Müll. Arg.) Zschacke Thelidium inaequale C.W. Dodge & G.E. Baker Thelidium incavatum Nyl. ex Mudd Thelidium incinctum (Vain.) Vain. Thelidium inordinata (Servít) anon. Thelidium inundatum Zschacke Thelidium irrigatum Servít Thelidium japonicum H. Harada Thelidium jeanjeani Servít Thelidium jizerae (Servít) Riedl Thelidium jodophilum (Servít) Servít Thelidium juistense B. Erichsen Thelidium jurassicum Zschacke Thelidium kauschianum Erichsen Thelidium klementii Servít Thelidium kolcvarense Thelidium kovarianum Servít Thelidium kutakii (Servít) Servít Thelidium lacromense Zschacke Thelidium lacustre Arnold Thelidium laevigatum (Arnold) Servít Thelidium lahmianum Lojka ex Zschacke Thelidium lapadense Servít Thelidium lapponicum (Servít) R. Sant. Thelidium larianum (A. Massal.) A. Massal. Thelidium latebrosa Körb. Thelidium leightoni Thelidium leightonianum M. Choisy Thelidium leightonii M. Choisy Thelidium leptoterum (Nyl.) Hellb. Thelidium leucoplacum Zahlbr. Thelidium lilacinum (A. Massal.) Servít Thelidium limitatum (Kremp.) Servít Thelidium litorale (Leight.) Keissl. Thelidium llanoi C.W. Dodge Thelidium lojkanum Thelidium lopadense Servít Thelidium maculiforme (Kremp.) Servít Thelidium magnussonii (Servít) R. Sant. Thelidium mammillatum Bagl. Thelidium manganophilum O. Behr Thelidium marcianum de Lesd. Thelidium margaceum (Leighton) Zsch. Thelidium marinum (Deakin) Keissl. Thelidium mastoideum Zschacke Thelidium maurospilum (Nyl.) Hellb. Thelidium mesobolum (Nyl.) Zahlbr. Thelidium mesotropum (Nyl.) A.L. Sm. Thelidium methorium (Nyl.) Hellb. Thelidium metzlerianum Servít Thelidium meylani de Lesd. Thelidium meylanii Thelidium microbolum (Tuck.) Hasse Thelidium microcarpum (Davies ex Leight.) A.L. Sm. Thelidium microsporum Lynge Thelidium microstictum Thelidium minimum (A. Massal. ex Körb.) Arnold Thelidium minutulum Körb. Thelidium minutum C.W. Dodge Thelidium montanum (Hepp) Körb. Thelidium montinii Beltr. Thelidium montis-sancti Servít Thelidium myriocarpoides Thelidium myrtilicola Erichsen Thelidium nadvornikii Servít Thelidium neozelandicum Zahlbr. Thelidium nigricans Zschacke Thelidium nylanderi (Hepp) Lönnr. Thelidium obscurum (Garov.) Zschacke Thelidium ochrobaeum Norman Thelidium olivaceonitens Thelidium olivaceum (Fr.) Körb. Thelidium olivascens (Zahlbr.) J. Nowak & Tobol. Thelidium omblense Zahlbr. Thelidium opacum J. Lahm Thelidium orustense (Erichsen) Keissl. Thelidium pachysporum Zschacke Thelidium pacificum H. Harada Thelidium papillosum Servít Thelidium papulare (Fr.) Arnold Thelidium parasiticum Lönnr. Thelidium parvulum Arnold Thelidium parvum C.W. Dodge & G.E. Baker Thelidium pauperculum Müll. Arg. Thelidium perexiguum (Müll. Arg.) Zahlbr. Thelidium perminutum Keissl. Thelidium perpusillum (A.W. Russell) Zahlbr. Thelidium persicinum (Hepp) Servít Thelidium pertundens (Nyl.) Zahlbr. Thelidium pertusatii (Garov.) Jatta Thelidium pertusulum (Nyl.) de Lesd. Thelidium pertusurum (Nyl.) Zahlbr. Thelidium piceum Zsch. ex H. Magn. Thelidium pilisense Servít Thelidium pinguiculum (A. Massal.) Servít Thelidium planatulum (Nyl.) Zahlbr. Thelidium plumbeum (Ach.) Servít Thelidium pluvium Orange Thelidium politum Servít Thelidium polycarpon Servít Thelidium praevalescens (Nyl.) Zahlbr. Thelidium prasinum Thelidium pryenophorum anon. Thelidium pseudo-olivaceum (Nyl.) anon. Thelidium punctatum Servít Thelidium pyrenaicum Thelidium pyrenophorum (Ach.) Mudd Thelidium quasiborreri Arnold Thelidium quinqueseptatum (Hepp) Arnold Thelidium radiatum H. Harada Thelidium rehmii Zschacke Thelidium riparium (Hepp) Zahlbr. Thelidium rivale Arnold Thelidium rivulicola Thelidium rubellum A. Massal. Thelidium rugulosum (Schaer.) Zahlbr. Thelidium salweii Thelidium salweyi (Leight. ex Nyl.) Mudd Thelidium saprophilum (A. Massal.) Servít Thelidium sbarbaronis Servít Thelidium schadeanum Servít Thelidium schibleri Zschacke Thelidium schleicheri (Müll. Arg.) Zahlbr. Thelidium scopolianum Servít Thelidium scotodes (Nyl.) Arnold Thelidium scrobiculare (Garov.) Arnold Thelidium sorbinum (Nyl.) Hulting Thelidium sordidum Th. Fr. Thelidium sorediatum (Servít) anon. Thelidium spadanum de Lesd. Thelidium sparsulum (Nyl.) A.L. Sm. Thelidium sprucei (Bab.) Lönnr. Thelidium stenhammari Hellb. Thelidium stenhammarii Hellb. Thelidium stenosporum Servít Thelidium subabsconditum Eitner Thelidium subcalcarium Servít Thelidium subcataractarum (Servít) anon. Thelidium subconsequens (Nyl.) Hulting Thelidium subcontinuum (Nyl.) Servít Thelidium subfuligineum (Vain.) Zahlbr. Thelidium subgelatinosum (Sm.) Zsch. Thelidium sublacteum Eitner Thelidium sublitorale (Leight.) Erichsen Thelidium submethorium (Vain.) Zschacke Thelidium subpapulare Zschacke Thelidium subrimulatum Thelidium subrubellum M. Choisy Thelidium subsiduum (Nyl.) Zahlbr. Thelidium subsimplex Zschacke Thelidium superpositum (Nyl.) Th. Fr. Thelidium suzaeanum Servít Thelidium syltense Erichsen Thelidium syriacum Werner Thelidium tatricum Hazsl. Thelidium tegulicola (Servít) anon. Thelidium tegulicolum (Servít) anon. Thelidium terestre Thelidium terrestre Walt. Watson Thelidium tersum Kremp. Thelidium thuringiacum Zschacke Thelidium tiroliense Zschacke Thelidium tongleti (Hue) Zahlbr. Thelidium transilvanicum Zschacke Thelidium transsilvanicum Zschacke Thelidium umbilicatum Th. Fr. Thelidium umbrosum A. Massal. Thelidium ungeri (Flot.) Körb. Thelidium variabile de Lesd. Thelidium velutinoide Thelidium velutinoides (Hellb.) Servít Thelidium velutinum (Bernh.) Körb. Thelidium verniceum Graewe Thelidium verrucosum Zschacke Thelidium vicinale (Arnold) Servít Thelidium viride Thelidium wettinense Thelidium xyloderma Norman Thelidium xylogenum (Norman) Norman Thelidium xylospilum (Nyl.) Zschacke Thelidium zahlbruckneri Servít Thelidium zwackhii (Hepp) A. Massal.
Cybertruffle Resources:		Cyberliber Cumulative Index Biological Records Database (2 records)
Links:		Fungal Databases [Systematic Botany and Mycology, USDA] Genbank Google images IMI [CABI Fungus Dried Reference Collection] Index Fungorum Landcare [New Zealand] Mycobank New York Botanic Garden [Virtual Fungus Dried Reference Collection]