Skip to content

Rhizophydiales

ALPHAMYCETACEAE Letcher [Rhizophydiales] MB#511771. Mycological Research 112:759–782. 2008
Emended by Letcher et al. Nova Hedwigia 94:9–29. 2012

ALPHAMYCES Letcher [Rhizophydiales, Alphamycetaceae] MB# 511785. Mycological Research 112:759–782. 2008. Emended by Letcher et. al. Nova Hedwigia 94:9–29. 2012

Alphamyces chaetifer (Sparrow) Letcher. MB#511786. Mycological Research 112:759–782. Figs 2N–Q, 5D. 2008. ≡Rhizophydium chaetiferum Sparrow 1937

ANGULOMYCETACEAE Letcher [Rhizophydiales] MB#511774. Mycological Research 112:759–782. 2008

ANGULOMYCES Letcher [Rhizophydiales, Angulomycetaceae] MB#511779. Mycological Research 112:759–782. 2008

Angulomyces argentinensis Letcher. MB#511787. Mycological Research 112:759–782. 2008
Saprobic; pollen bait; aquatic; Paichí stream at the Paraná River floodplain, ARGENTINA

Angulomyces solicola V.G. Hurdeal & E. Gentekaki. MB# 844703. Molecular Phylogenetics and Evolution, 180 (no. 107706). 2023. MycoBank: MB844,703.
GenBank: ON899834 (ITS); ON892505 (LSU).
Extype living culture MFLUCC 22-0101. Saprobe, pollen, soil. Chiang Rai Province, Mueang District, THAILAND

AQUAMYCETACEAE Letcher [Rhizophydiales] MB#511773. Mycological Research 112:759–782. 2008

AQUAMYCES Letcher [Rhizophydiales, Aquamycetaceae] MB#511778. Mycological Research 112:759–782. 2008

Aquamyces chlorogonii (Serbinow) Letcher MB#511784.
Phlyctidium chlorogonii Serbinow 1907; ≡Rhizophydium chlorogonii (Serbinow ) Jacz. 1931; Letcher et al. declared Figs 3A–D and Fig 5F as epitype; Mycological Research 112:759–782. 2008

BATRACHOCHYTRIACEAE Doweld [Rhizophydiales, Chytridiomycetaceae] IF550329. Doweld, A.B. Index Fungorum no. 44: 29/12/2013.

BATRACHOCHYTRIUM Longcore, Pessier & D.K. Nichols [Rhizophydiales]; Mycologia 91:219–227. 1999

Batrachochytrium dendrobatidis Longcore, Pessier & D.K. Nichols; Mycologia 91:219–227, figs. 2–30. 1999
Pathogenic; keratinized amphibian epidermis; type culture from Dendrobates azureus; National Zoological Park, Washington, DC., USA. First pure culture (JEL197) isolated October 13, 1997

Batrachochytrium salimandrivorans Martel, Blooi, Bossuyt & Pasmans MB#803904. PNAS, US 110:15325–15329. 2013
Pathogenic; epidermal cells; type from Salamandra salamandra; THE NETHERLANDS

BETAMYCES Letcher [Rhizophydiales, Alphamycetaceae] Nova Hedwigia 94:9–29. 2012

Betamyces americaemeridionalis Letcher MB#561197. Nova Hedwigia 94:9–29, figs. 6–9, 15, 25–31. 2012.
Saprobic; pollen; vegetated roadside pond; Paraná River Flood Plain; Buenos Aires, ARGENTINA

BOOTHIOMYCES Letcher [Rhizophydiales, Terramycetaceae]; P.M. Letcher et al. Mycological Research 110:898–915, 2006

Boothiomyces angulosis (Karling) Jerônimo, D.R. Simmons, T.Y. James & Pires-Zottarelli comb. nov. Jerônimo et al. Nova Hedwigia 109:399–412. 2019. ≡ Rhizophydium angulosum Karling 1968. Lectotype = Fig. 1 M–X, Arch. Mikrobiol. 61:115, 1968. epitype = Figs. 1–11 of strain CCIBt4261 in Nova Hedwigia 109:405. 2019

Boothiomyces elyense (Sparrow) Jerônimo, D.R. Simmons, T.Y. James & Pires-Zottarelli comb. nov. Jerônimo et al. Nova Hedwigia 109:399–412. 2019. ≡ Rhizophydium elyense Sparrow 1957Lectotype = Fig. 21-M, Trans. Brit. Mycol. 40:525. 1957. Epitype = Figs. 12–16 of strain GHJ30, Nova Hedwigia 109:405. 2019

Boothiomyces macroporosum (Karling) Letcher; P.M. Letcher et al. Mycological Research 110:898–915, 2006
Rhizophydium macroporosum Karling, Sydowia 20:76, Plates XII, XIII, figs 9–20 (1967)
Letcher et al. designated epitype; Mycol Res. 110:907 figs 3 E–G, 910 fig. 6. 2006
Epitype saprobic on pollen; forest soil, from wet sclerophyll forest, Wilburforce, NEW SOUTH WALES, AUSTRALIA

COLLIMYCES K. Seto & Y. Degawa,  MB#823273 [Collimycetaceae]. Protist 169:507–520. 2018

Collimyces mutans  K. Seto & Y. Degawa,  MB#823274. Protist 169:507–520. 2018
Parasitic on Microglena (green alga); pond, Kashiwa Bireji Mizube Park (Omuro, Kashiwa, CHIBA, JAPAN)

Collimycetaceae K. Seto & Y. Degawa  MB#823272 [Rhizophydiales] Protist 169:507–520. 2018

CORALLOIDIOMYCES Letcher [Rhizophydiales]; Mycologia 100:35–324. 2008

Coralloidiomyces digitatus Letcher, Mycologia 100:35–324. 2008 Type = Figs. 2A–Q, 3A–D,5A–F.
Saprobic; pollen bait; shallow water of lake; Lake Muster, CHUBUT, ARGENTINA

CULTORAQUATICUS trewini Strullu-Derrien MB#815878 and MB#815878. [Chytridiomycota] PLOS1 11 (12): e0167301. doi:10; 1371/journal.pone.0167301. 2016. Fossil; Early Devonian, Rhynie Chert; SCOTLAND

DINOMYCETACEAE Karpov & Guillou [Rhizophydiales] MB#807620. Protist, 165:230–244. 2014

DINOMYCES Karpov & Guillou [ Dinomycetaceae, Rhizophydiales] MB#807621. Protist, 165:230–244. 2014

Dinomyces arenysensis Karpov & Guillou. MB#807621. Protist, 165:230–244. 2014
Parasitic; dinophytes especially Alexandrium spp.; marine, Arenys de Mar harbour, Mediterranean Sea, SPAIN

Dinomyces gilberthii Karpov, Fernández-Valero & Reñé. MB# 900632. European Journal of Protistology, 93 (no.126053). 2024 
GenBank: ON081639–ON081640 (18S rDNA), OQ865234–OQ865235 (ITS), and OQ865232–OQ865233 (28S rDNA)
Parasitic; dinoflagellates; Alexandrium minitum and Ostreopsis sp.; marine coastal waters, NW coast of Mediterranean Sea, Vilanova i la Geltruń, CATALONIA

GAMMAMYCES Letcher [Rhizophydiales, Alphamycetaceae] Nova Hedwigia 94:9–29. 2012

Gammamyces ourimbahensis Letcher MB#561199.Nova Hedwigia 94:9–29, figs. 10–13, 16, 30–34. 2012
Saprobic; pollen; subtropical rainforest; Palm Grove forest, Ourimbah, NEW SOUTH WALES, AUSTRALIA

GLOBOMYCETACEAE Letcher [Rhizophydiales] MB#511775. Letcher et al. Mycological Research, 112:759–782. 2008

GLOBOMYCES Letcher [Rhizophydiales, Globomycetaceae] MB#511780. Mycological Research, 112:759–782. 2008

Globomyces pollinis-pini (A. Braun) Letcher MB#511788.
Ξ Chytridium pollinis-pini A. Braun 1855, Ξ Rhizophydium pollinis-pini (A. Braun) Zopf 1887, = Chytridium vagans A. Braun 1856, = Phlyctidium vagans (A. Braun) Rabenh. 1868

GORGONOMYCETACEAE Letcher [Rhizophydiales] MB#511768; Letcher et al. Mycological Research, 112:759–782. 2008

GORGONOMYCES Letcher [Rhizophydiales, Gorgonomycetaceae] Mycological Research, 112:759–782. 2008

Gorgonomyces haynaldii (Schaarschm.) Letcher Ξ Phlyctidium haynaldii Schaarschm.
Ξ Rhizophydium haynaldii (Schaarschm.) A. Fisch. Epitype declared by Letcher in Letcher et al., Mycol. Res. 112:764, figs 2E–I, 768, fig 5B, 2008

Gorgonomyces thailandicus V.G. Hurdeal & E. Gentekaki. MB# 844704. Molecular Phylogenetics and Evolution, 180 (no. 107706). 2023
Extype living culture MFLUCC 22-0099.
GenBank: ON899836 (ITS); ON892507 (LSU)
Extype living culture MFLUCC 22–0099
Saprobic; pollen, water. Nang Lae, Mueang District, Chiang Rai Province, THAILAND

HALOMYCETACEAE Letcher & M.J. Powell [Chytridiomycota, Rhizophydiales] MB#811430.  Letcher et al. Mycologia 107:808–830

HALOMYCES Letcher & M.J. Powell [Halomycetaceae] MB#811430.  Letcher et al. Mycologia 107:808–830

Halomyces littoreus (Amon) Letcher & M.J. Powell comb. nov.
MB#811464 Ξ Rhizophydium littoreum Amon Mycologia 76:132–139. 1984. Letcher et al. Mycologia 107:808–830

Hapalopera Fott 1942; rejected by Karling; CI, Pp. 64, 65. 1977; accepted by A. Batko; ZH, Pp. 169–170. 1975

Hapalopera achnanthis (Friedmann) A. Batko; ZH, p. 170. 1975 Ξ Rhizophydium achnanthis Friedmann 1952

Hapalopera difficilis (Canter) A. Batko; ZH, p. 169. 1975 Ξ Rhizophydium difficile Canter 1954

Hapalopera fragilariae (Canter) A. Batko; ZH, p. 170. 1975 Ξ Rhizophydium fragilariae Canter 1950

Hapalopera melosirae (Friedmann) A. Batko; ZH, p. 170. 1975 Ξ Rhizophydium melosirae Friedmann 1952

Hapalopera piriformis Fott; A. Batko; ZH, p. 170. 1975
Ξ Rhizophydium piriformis (Fott) Karling; CI. p. 65. 1977

KAPPAMYCES P.M. Letcher and M.J. Powell [Rhizophydiales, Kappamycetaceae], 2005. Nova Hedwigia 80:115–133

KAPPAMYCETACEAE Letcher [Rhizophydiales] Mycological Research 110:898–915, 2006

Kappamyces laurelensis Letcher & M.J. Powell Nova Hedwigia 80:115–133. 2005
saprobic; pollen; moss-covered soil from along stream; Cloudland Canyon State Park, Chickamauga, GEORGIA, USA.

Kappamyces microporosus A.L. Jesus & C.L.A. Pires-Zottarelli. MB#835250. Nova Hedwigia 110:293–305. 2020
Soil samples, on pollen grains, São Paulo State, Peruíbe, Mosaico de Unidades de Conservação Juréia Itatins, 24 Aug. 2016, BRAZIL

OPERCULOMYCES M.J. Powell, Letcher, & Longcore [Rhizophydiales] MB#519309. Mycologia, 103:854–862. 2011

Operculomyces laminatus M.J. Powell, Letcher & Longcore. MB#519310.Mycologia, 103:854–862. 2011
Saprobic; garden soil baited with keratin; Orono (Penobscot County), MAINE, USA

PALUDOMYCES Letcher & M.J. Powell, gen. nov. [Chytridiomycota, Halomycetaceae] MB#811465. Letcher et al. Mycologia 107:808–830. 2015

Paludomyces mangrovei (Ulken) Letcher & M.J. Powell, comb. nov. MB#811466130.
Ξ Phlyctochytrium mangrovei Ulken, Veroff. Inst. Meeresforsch. Bremerhaven 13:227. 1972.
Letcher et al. Mycologia 107:808–830. 2015

PARADINOMYCES Reñé & Karpov MB# 846461 [Rhizophydiales, Dinomycetaceae] Harmful Algae 120: (no. 102352) 6 2022. Type is P. triforaminorum

Paradinomyces evelyniae Karpov, Fernández-Valero & Reñé. MB# 900676. European Journal of Protistology, 93 (no.126053). 2024
GenBank: ON081641–ON081642 (18S rDNA), OQ865236 (ITS), and OQ865231 (28S rDNA)
Parasitic; dinoflagellate Alexandrium minutum; Arenys de Mar harbor, NW coast of Mediterranean Sea, CATALONIA

Paradinomyces triforaminorum Reñé & Karpov MB# 846462. Harmful Algae 120:  (no. 102352) 6 2022
Parasitic; Tribonema; Koekar Island, Aland Archipelago, Northern Baltic Sea, FINLAND

Paranamyces uniporus Letcher & M.J. Powell, MB#811470. Mycologia, 107:808–830. 2015. Saprobic; pollen, estuarine mud flat, Delta del Parana´, BUENOS AIRES PROV, ARGENTINA
HOLOTYPE = FIG. 4E in Letcher et al. Mycologia 107:808–830. 2015.

PARANOMYCES Letcher & M.J. Powell [Rhizophydiales, Halomycetaceae] MB#811469 Mycologia, 107:808–830. 2015

PATERAMYCETACEAE MB#MB 511776. [Rhizophydiales] Mycological Research 112:759–782. 2008

PATERAMYCES Letcher [Rhizophydiale, Pateramycetaceae] Mycological Research 112:759–782. 2008

Pateramyces corrientinensis Letcher Mycological Research 112:759–782. 2008
saprobic, pollen bait, small lake, Museo Argentino de Ciencias Naturales, ARGENTINA

Phlyctidium (Braun) Rabenhorst 1868 = Rhizophydium Schenk 1858; Karling: CI, Pp. 64–65. 1977

Phlyctidium anatropum (Braun) Rabenhorst 1856 Ξ Rhizophydium anatropum (Braun) Karling; CI, p. 65. 1977

Phlyctidium brevipes var. marinum Kobayasi & Ookubo 1954
Ξ Rhizophydium brevipes var. marinum (Kobayasi & Ookubo) Karling; CI, p. 65, 1977

Phlyctidium bumilleriae Couch 1932 Ξ Rhizophydium bumilleriae (Couch) Karling; CI, p. 65. 1977

Phlyctidium globosum Skuja 1956 Ξ Rhizophydium skujai (Skuja) Karling; CI, p. 64. 1977

Phlyctidium keratinophilum Ookubo and Kobayasi 1955
Ξ Rhizophydium ellipsoidium (Ookubo & Kobayasi) Karling; CI, p. 64. 1977

Phlyctidium keratinophilum var. savulescui Cejp; Omagiu lui Traian Savulescu (Bucuresti), 129–138, fig. 1. 1959;
Saprobic; human hair; rill; pasture near Rokycany, ROMANIA

Phlyctidium marinum Karling; Sydowia 20:74–84, Pl. XII, figs. 1–8. 1967;
Saprobic; Pinus pollen; beach sand + sea water; Aukland, NEW ZEALAND
Ξ Rhizophydium novae-zelandiensis (Karling) Karling; CI, p. 65. 1977

Phlyctidium mycetophagum Karling 1946 Ξ Rhizophydium obypriformis (Karling) Karling; CI, p. 64. 1977

Phlyctidium olla Sparrow 1933 Ξ Rhizophydium olla (Sparrow) Karling; CI, p. 65. 1977

Phlyctidium scenedesmi Fott; Z. Allg. Mikrobiol. 7:97–102, figs. 1–16. 1967;
Parasitic; Scenedesmus quadricauda in mass culture; water; Trebon, CZECHOSLOVAKIA;
Ξ Rhizophydium scenedesmi (Fott) Karling; CI, p. 65. 1977

Phlyctidium spinulosum Sparrow 1933 Ξ Rhizophydium spinulosum (Sparrow) Karling; CI, p. 65. 1977

Phlyctidium tenue Sparrow 1952 Ξ Rhizophydium tenue (Sparrow) Karling; CI, p. 65. 1977

Phlyctidium tubulatum in S.N. Dasgupta; Indian Phytopathol. 35:215. 1982; nomen nudum

PROTRUDOMYCETACEAE Letcher [Rhizophydiales]. Mycological Research 112:759–782. 2008

PROTRUDOMYCES Letcher [Rhizophydiales, Protrudomycetaceae] Mycological Research 112:759–782. 2008Protrudomyces laterale (A. Braun) Letcher. Mycological Research 112:759–782. 2008
Ξ Chtridium laterale A. Braun 1855. Ξ Rhizophydium laterale (A.Braun) Rabenh. 1868
= Rhizophydium karlingii Sparrow 1960. Letcher (2008) Epitype=GenBank LSU rDNA sequence EF585628, ITS1-5.8S-ITS2 rDNA sequence EF585668, Culture (ARG 071) in ATCC and CBS

PSEUDOPILEUM Canter [Chytridiales]; Trans. Brit. Mycol. Soc. 46:305–320. 1963

Pseudopileum unum Canter; Trans. Brit. Mycol. Soc. 46:305–320, fig. 3. 1963
Parasitic; cysts of Mallomonas sp.; plankton of Elterwater; E.L.D., UNITED KINGDOM

Rhizidium endosporangiatum Karling; Mycopathol. Mycol. Appl. 36:165–178, figs. 18–37. 1968
Saprobic; bleached corn leaves & pollen; soil sample; Pitcairn & Niue, OCEANIA

Rhizidium megastomum Sparrow; Mycopathol. Mycol. Appl. 25:119–143, figs. 19–23. 1965
Saprobic; snake skin; soil, Oahu, HAWAII, USA 5. 1982; nomen nudum

Rhizidium phycophilum Picard Mycologia 101:696–706. 2009; MB#13127
Saprobic, pollen, chitin (associated with coccoid green alga in culture); soil sample under Antarctic beech, ferns and mosses;
The Gloucester Tops, NEW SOUTH WALES, AUSTRALIA

Rhizidium renifore Karling. Arch. Mikrobiol. 70:266–287, fig. 1 A–O. 1970;
Saprobic; purified shrimp and lobster chitin; soil sample; AUCKLAND PROVINCE, NEW ZEALAND

Rhizidium tomiyamanum Konno; J. Jap. Bot. 44:315–317. figs. A–H. 1969
Saprobic; Porphyra, pine pollen bait; marine; ? JAPAN

Rhizoclosmatium aurantiacum Sparrow 1937. See: Powell et al. (2019) Phytologia 101 (2) for designation of lectotype

Rhizoclosmatium globosum H. E. Petersen 1903 (type species)
See: Powell et al. (2019) Phytologia 101 (2) for designation of lectotype , epitype and designation of JEL347 in CZEUM to support the lectotype.

Rhizoclosmatium hyalinum Karling; Sydowia 20:96–108, figs. 48–59. 1967
Saprobic; exuviae and chitin bait; water in outdoor tub; U. of Otago, NEW ZEALAND

Rhizoclosmatium sparsum M.J. Powell and Letcher; MB#829907; Phytologia 101:139–163. 2019
Saprobic; chitin bait; aquatic sample; The University of Alabama, Tuscaloosa, ALABAMA, USA

Rhizoclosmatium persicum Letcher, Longcore & M.J. Powell; MB#829910. Phytologia 101:139–163. 2019
Saprobic; cellulose; aquatic sample; Lake Nicol spillway; Tuscaloosa County; ALABAMA, USA

Rhizoclosmatium pessaminum Letcher, Longcore & M.J. Powell; MB#829911. Phytologia 101:139–163. 2019
Saprobic; chitin; Perch Pond, Penobscot County, MAINE, USA

Rhizoclosmatium umbonatum Letcher, Longcore & M.J. Powell; MB#829908. Phytologia 101:139–163. 2019
Saprobic; chitin and cellulose; acidic lake; Mud Pond, Old Town, Hancock County, MAINE, USA

Rhizoclosmatium umbonatum var. sphaericum Letcher, Longcore & M.J. Powell; MB#829909. Phytologia 101:139–163. 2019

RHIZOPHYDIALES Letcher [Chytridiomycota, Chytridiomycetes]; P.M. Letcher et al. Mycological Research 110:898–915, 2006

RHIZOPHYDIACEAE Letcher [Chytridiomycetes, Rhizophydiales]; P.M. Letcher et al. Mycological Research 110:898–915, 2006

Rhizophydium achnanthis Friedmann 1952 Ξ Hapalopera achnanthis (Friedmann) A. Batko; ZH, p. 170. 1975

Rhizophydium algavorum Gromov, B.V., A.V. Pljusch and K.A. Mamkaeva, Protistology 1:62—65. 1999
Parasitic; Chlorococum minutum; pond; St. Petersburg, RUSSSIA

Rhizophydium anatropum (Braun) Karling; CI, p. 65. 1977 Ξ Phlyctidium anatropum Braun 1856

Rhizophydium androdioctes Canter; Trans. Brit. Mycol. Soc. 56:115–120, figs. 1–19. 1971
Parasitic; Dictyosphaerium pulchellum (Green alga); Loch Leven, Kinross, SCOTLAND

Rhizophydium angulosum Karling; Arch. Mikrobiol. 61:112–127, fig. 1, M–X. 1968
Saprobic; pollen and bleached corn leaves; many soil collections from OCEANIA
≡ Boothiomyces angulosus (Karling) Jerônimo, D.R. Simmons, T.Y. James & Pires-Zottarelli . Nova Hedwigia 109:399–412. 2019

Rhizophydium annulatum Sparrow; Canad. J. Bot. 55:1501–1504, figs.1–6. 1977
Saprobic; pine pollen; Punch Bowl; Melrose, FLORIDA, USA

Rhizophydium aphanomycis Karling; Nova Hedwigia 27:747–771, figs. 12–21. 1976
Parasitic; Aphanomyces sp.; soil; Ngorongora Crater, TANZANIA

Rhizophydium aureum Konno; Sci. Rep. Tokyo Kyoiku Daigaku Sect. B. 14:227–293, Pl.3, figs. A–D. 1972
Saprobic; snake skin, bee wings, & cicada wings; soil; Tsu-shima; Bonin Island, JAPAN

Rhizophydium biporosum (Couch) D.J.S. Barr; Canad. J. Bot. 51:967–975. 1973
Ξ Phlyctochytrium biporosum Couch 1932
Phlyctidium bumilleriae Couch 1932

Rhizophydium blastocladianum S.N. Dasgupta & R. John; Bull. Bot. Surv. India 30:1–82, fig. 16. 1988
Parasitic; Blastocladia on apple; tank sediment; Lucknow U., INDIA

Rhizophydium blyttiomycerum S.N. Dasgupta & R. John; Bull. Bot. Surv. India 30:1–82, fig. 24. 1988
Parasitic; Blyttiomyces spinosus & zygospore of Spirogyra; ditch; Sultanpur Road, SE of Lucknow U., INDIA

Rhizophydium brevipes var. marinum (Kobayasi & Ookubo) Karling; 1977. p. 65
Ξ Phlyctidium brevipes marinum Kobayasi & Ookubo 1954

Rhizophydium brooksianum Longcore [Rhizophydiales; Rhizophydiaceae] Mycologia 96:162–171. 2004
Saprobic; pine pollen; soil; Penobscot Co., MAINE, USA.

Rhizophydium bumilleriae (Couch) Karling; CI, p. 65. 1977 Ξ Phlyctidium bumilleriae Couch 1932;
See Rhizophydium biporosum (Couch) Barr 1973

Rhizophydium capillaceum D.J.S. Barr; Canad. J. Bot. 47:991–997, figs. 12–22 on Pls. I–VIII. 1969
Saprobic; pine pollen; soil: Ottawa, ONTARIO, CANADA

Rhizophydium clavatum Karling; Sydowia 20:74–84, figs. 21–24. 1967
Saprobic; chitin bait; soil sample; NEW ZEALAND

Rhizophydium clavatum S.N. Dasgupta & R. John (homonym); Bull. Bot. Surv. India 30:1–82, fig. 34. 1988
Parasitic; Closterium; tank; Lucknow U., INDIA

Rhizophydium coleochaetes (Nowakowski) Fischer 1892 Ξ Chytridium coleochaetes Nowakowski 1876;
H. Canter places sp. in Chytridium; Trans. Brit. Mycol. Soc. 43:14–18. 1960

Rhizophydium collapsum Karling; Sydowia 17:285–296, figs. 1–15. 1964
Saprobic; pine pollen; brackish soil; Rhamnad Dist., INDIA

Rhizophydium conchiforme S.N. Dasgupta & R. John; Bull. Bot. Surv. India 30:1–82, fig. 35. 1988
Saprobic ?; Spirogyra; ditch, Sultanpur Road, SE of Lucknow U., INDIA

Rhizophydium condylosum Karling; Arch. Mikrobiol. 61:112–127, fig. 2, A–X. 1968
Saprobic; human hair and snake skin; soil from Cook Island, FIJI & PITCAIRN

Rhizophydium contractophilum Canter; Trans. Brit. Mycol. Soc. 42:185–192, figs. 1–4. 1959
Parasitic; Eudorina elegans and Eudorina sp.; Lake Windermere, E.L.D., U.K.

Rhizophydium coralloidum Karling; Mycologia 68:1245–1248, figs. 1–9. 1976
Parasitic; Karlingia rosea; soil; Canaveral, FLORIDA, USA

Rhizophydium dentatum suggested as name for Miller’s (1968) “Dentate; but not validly published; W.C. Zattau: Master’s Thesis Clemson U. 1978. But molecular data (James et al. 2006) suggest that “Miller’s Dentate” (JEL103) is in the Chytridiaceae (Chytridiales)’; named as Odontochytrium milleri Ve´lez and Letcher MB#801484. Mycologia 105:1251–1265. 2013

Rhizophydium difficile Canter 1954 Ξ Hapalopera difficilis (Canter) A. Batko; ZH, p. 169. 1975

Rhizophydium digitatum Scherffel 1926 = Phlyctochytrium planicorne Atkinson 1909: T.W. Johnson; Norw. J. Bot. 22:249–257. 1975

Rhizophydium dubium Kiran & Dayal (invalid; type not designated); Indian Phytopathol. 44 30–34, Pl. 1. 1991.
Saprobic; rotting leaves of Eichornia; pond; Agricultural Farm, Varanasi, INDIA

Rhizophydium echinocystoides Sparrow; J. Elisha Mitchell Sci. Soc. 84: 62–68, figs. 15–18. 1968.
Saprobic; pine pollen; Sphagnum bog; Humbolt Co, CALIFORNIA, USA

Rhizophydium elyensis Sparrow 1957 ≡ Boothiomyces (Sparrow) Jerônimo, D.R. Simmons, T.Y. James & Pires-Zottarelli . Nova Hedwigia 109:399–412. 2019

Rhizophydium ellipsoidium (Ookubo & Kobayasi) Karling; CI, p. 64. 1977 Ξ Phlyctidium keratinophilum Ookubo & Kobayasi 1955

Rhizophydium fragilariae Canter 1950 Ξ Hapalopera fragilariae (Canter) A. Batko; ZH, p. 170. 1975

Rhizophydium fugax Canter; Trans. Brit. Mycol. Soc. 51:699–705, Pl. 57 & fig. 1. 1968.
Parasitic; Cryptomonas spp.; plankton of lakes; E.L.D., U.K.

Rhizophydium gonapodyanum S.N. Dasgupta & R. John; Bull. Bot. Surv. India 30:1–82, fig. 23. 1988.
Parasitic; sporangium of Gonapodya polymorpha; tank sediment; Lucknow U., INDIA

Rhizophydium hispidulosum Seymour; J. Elisha Mitchell Sci. Soc. 86:187–190. figs. 1–16. 1970.
Saprobic; cockroach wing bait; soil from ditch; Morehead City, NORTH CAROLINA, USA

Rhizophydium jobii Hassett MB#8535161; Mycologia https://doi.org/10.1080/00275514.2020.1761226
Saprobic; pine pollen bait; benthic detritus; SALALAH, OMAN.

Rhizophydium karlingii Sparrow 1960 = R. laterale (Braun) Rabenhorst; D.J.S. Barr; Canad. J. Bot. 51:967–975. 1973

Rhizophydium koreanum Hyang B. Lee, S.J. Jeon, T.T.T. Nguyen; Fungal Diversity 96:1–242 (see 219–221). 2019
pond water; Chonnam National University Arboretum, Gwangju, REPUBLIC OF KOREA
Index Fungorum # IF554571; Facesoffungi # FoF05792; GenBank LSU#  MH298649, MH298650

Rhizophydium lagenaria S.N. Dasgupta & R. John; Bull. Bot. Surv. India 30:1–82, fig. 21. 1988
Parasitic; sporangium of Blastocladia on fruit bait; tank sediment; Lucknow U., INDIA

Rhizophydium laterale (Braun) Rabenhorst = R. karlingii Sparrow 1960; D.J.S. Barr; Canad. J. Bot. 51:967–975. 1973

Rhizophydium lenelangeae Sparrow; Canad. J. Bot. 55:1501–1504, figs. 7–15. 1977
Saprobic; pine pollen bait; river bank soil; GUATEMALA

Rhizophydium littoreum Amon; Mycologia 76:132–139, figs. 1–21. 1984
?Saprobic; Bryopsis plumosa; marine, Atlantic coast, USA

Rhizophydium macroporosum Karling; Sydowia 20:74–84, figs. 9–20. 1967
Saprobic; snake skin and bleached corn leaves; soil samples; NEW ZEALAND

Rhizophydium manoense Sparrow; Mycopathol. Mycol. Appl. 25:119–143. figs. 1–7. 1965
Parasitic; diatom (Cocconeis); stream, Oahu, HAWAII, USA

Rhizophydium melosirae Friedman 1952 Ξ Hapalopera melosirae (Friedman) A. Batko; ZH, p. 170. 1975

Rhizophydium mougeotiae Pongratz; Schweiz. Z. Hydrol. 28:104–132, fig. 2 & Pl. 5, 33–36. 1966
Parasitic; Mougeotia gracillima; Plankton; Lake Léman, SWITZERLAND

Rhizophydium nobile Canter; Proc. Linn. Soc. London 179:197–201, 2 Pl, fig. 1. 1968
Parasitic; resting spores of Ceratium hirundinella; lakes; E.L.D., U.K.

Rhizophydium novae-zeylandiensis (Karling) Karling; CI, p. 65. 1977 Ξ Phlyctidium marinum Karling 1967

Rhizophydium obpyriformis (Karling) Karling; CI, p. 64. 1977 Ξ Phlyctidium mycetophagum Karling 1956

Rhizophydium olla (Sparrow) Karling; CI, p. 65. 1977 Ξ Phlyc tidium olla Sparrow 1933

Rhizophydium patellarium Scholz; Arch. Mikrobiol. 29:354–362, fig. 2. 1958
Saprobic; pine pollen bait; soils; northern SPAIN and GERMANY

Rhizophydium pedicellatum Paterson 1956; Emended by T.W. Johnson; Norw. J. Bot. 23:139–151. 1976

Rhizophydium piriformis (Fott) Karling; CI, p. 65. 1977 Ξ Hapalopera piriformis Fott 1942

Rhizophydium planktonicum emend. Canter; J. Linn. Soc., Bot. 62:267–278, fig. 1. 1969
Parasitic; Asterionella formosa (diatom); lakes; E.L.D., U.K. Ξ Rhizophydium planktonicum Canter (in part) 1948

Rhizophydium poculiforme S.N. Dasgupta & R. John; Bull. Bot. Surv. India 30:1–82, fig. 28–30. 1988
Parasitic; Closterium; tank; Lucknow U., INDIA

Rhizophydium polystomum Karling; Sydowia 20:74–84, figs. 26–29. 1967 (Pls. XII–XIV).
Saprobic; bleached corn leaves; soil samples; NEW ZEALAND.

Rhizophydium porosum Sparrow & Lange; Canad. J. Bot. 55:1879–1890, figs. 1–5. 1977
Saprobic; pine pollen bait; Johnson Road Bog, Cheboygan Co., MICHIGAN, USA

Rhizophydium proliferum Knox & Paterson; Mycologia 65:373–387, figs. 6–10. 1973
Saprobic; pine pollen; soil or fresh water? Ross Island, ANTARCTICA

Rhizophydium punctatum Golubeva; Novosti Sistematiki Nizshikh Rastenii 25:81–86, fig. 1. 1988
Saprobic; pine pollen; Lake Teletzkoje; Altiaca Province, RUSSIA

Rhizophydium rarotonganensis Karling; Arch. Mikrobiol. 61:112–127, fig. 1 A–L. 1968
Parasitic; Nowakowskiella profusa; soil; Rarotonga, Cook Islands, OCEANIA

Rhizophydium reflexum S.N. Dasgupta & R. John; Bull. Bot. Surv. India 30:1–82, fig. 18. 1988
Parasitic; Sporangium of Blastocladia on Pyrus fruit; tank sediment; Lucknow U., INDIA

Rhizophydium rhizinum S.N. Dasgupta & R. John; Bull. Bot. Surv. India 30:1–82, fig. 17. 1988
Parasitic; sporangium of Blastocladia on Pyrus fruit; tank sediment; Lucknow U., INDIA

Rhizophydium rotundum S.N. Dasgupta & R. John; Bull. Bot. Surv. India 30:1–82, figs. 25–27. 1988
Parasitic; Closterium, Oedogonium, and Zygnema; tank; garden, Lucknow U., INDIA

Rhizophydium scenedesmi (Fott) Karling; CI, p. 65. 1977 Ξ Phlyctidium scenedesmi Fott 1967

Rhizophydium sibyllinum Sparrow; Proc. Iowa Acad. Sci. 81:2–5, figs. 1–9. 1974
Saprobic; pine pollen; soil; Delphi, GREECE

Rhizophydium signyense Willoughby; Nova Hedwigia 22:469–487, Pl. 2 m–t;4 e,f. 1971
Saprobic; chitin bait; soil; Signy Island, ANARCTICA

Rhizophydium skujai (Skuja) Karling; CI, p. 64. 1977 Ξ Phlyctidium globosum Skuja 1948

Rhizophydium sparrowii S.N. Dasgupta & R. John; Indian Phytopathol. 43:564–567, fig. 2. 1990 (1991)
“Saproparasitic”; Ulothrix sp.; ditch; Sultanpur Rd, SE of Lucknow U., INDIA

Rhizophydium sphaerocarpum var. rhizoclonii Huth & Gaertner; Trans. Brit. Mycol. Soc. 61:431–434, Pl. 43. 1973
Parasitic; Rhizoclonium hieroglyphicum; brackish Water; Bremerhaven, GERMANY

Rhizophydium sphaerocarpum var. spirogyrae D.J.S. Barr; Canad. J. Bot. 48:1607–1071, figs. 1–6. 1970
Parasitic; moribund Spirogyra; southwestern ONTARIO, CANADA

Rhizophydium sphaerotheca Zopf 1887; Neotype: D.J.S. Barr; Canad. J. Bot. 47:991–997, figs. 1–11. 1969

Rhizophydium spinosum Willoughby; Arch. Mikrobiol. 52:101–131, fig. 1, i–w. 1965
Saprobic; cellophane bait; soil; VICTORIA, AUSTRALIA

Rhizophydium spinosum Karling (homonym); Nova Hedwigia 35:107–116, figs. 1–6, 1981
Saprobic; cellophane & bleached corn leaves; soil samples; SRI LANKA

Rhizophydium spinosum S.N. Dasgupta & R. John (homonym); Bull. Bot. Surv. India 30:1–82, fig. 20. 1988
Parasitic; Blastocladia on fruit bait; tank sediment; Lucknow U., INDIA

Rhizophydium spinulosum (Sparrow) Karling; CI, p. 65. 1977 Ξ Phlyctidium spinulosum Sparrow 1933

Rhizophydium squamosum Golubeva; Novosti Sistematiki Nizshikh Rastenii 25:81–86, fig. 2. 1988
Saprobic; pine pollen; Lake Teletzkoje; ALTIACA PROVINCE, RUSSIA

Rhizophydium stellatum S.N. Dasgupta & R. John; Bull. Bot. Surv. India 30:182, fig. 22. 1988
Parasitic; Sporangium of Gonapodya polymorpha; tank sediment; Lucknow U., INDIA

Rhizophydium tenue (Sparrow) Karling; CI, p. 65. 1977. Ξ Phlyctidium tenue Sparrow 1952

Rhizophydium tetragenum Pongratz; Schweiz. Z. Hydrol. 28:104–132, fig. 1 & Pl. 4, 25–28. 1966
Parasitic; Asterionella formosa; plankton; Lake Leman, SWITZERLAND

Rhizophydium tubulatum S.N. Dasgupta & R. John; Bull. Bot. Surv. India 30:1–82, fig. 31–33. 1988
Parasitic; Closterium; tank; Lucknow U., INDIA

Rhizophydium ubiquetum Canter; Trans. Brit. Mycol. Soc. 44:163–176, figs. Ia–s, 2 a–k, Pl. 12. 1961
Saprobic; Cosmarium and other desmids; plankton of lakes, E.L.D., U.K.

Rhizophydium undatum O.G. Golubeva; Novosti Sistematiki Nizshikh Rastenii 25:81–86, fig. 3. 1988
Saprobic; pine pollen; Lake Teletzkoje; ALTIACA PROVINCE, RUSSIA

Rhizophydium undulatum Sparrow & Lange; Canad. J. Bot. 55:1879–1890, figs. 9–11. 1977
Saprobic; pine pollen bait; Johnson Road Bog, Cheboygan Co., MICHIGAN, USA

Rhizophydium urcelolatum S.N. Dasgupta & R. John; Bull. Bot. Surv. India 30:1–82, fig. 19. 1988
Parasitic; Blastocladia on fruit bait; tank sediment; Lucknow U., INDIA

Rhizophydium venezuelensis Karling; Nova Hedwigia 34:645–668, figs. 1–9. 1981
Saprobic; cellophane, snake skin, hemp; soil sample; VENEZUELA

Rhizophydium venustum Canter; Trans. Brit. Mycol. Soc. 46:305–320, fig. 7, a–i. 1963
Parasitic; cysts; Uroglena americana; lakes; E.L.D., U.K. Ξ Zygorhizidium venustum (Canter) Canter 1971

Staurastromyces oculus S. Van den Wyngaert, K. Seto & K. Rojas. MB#819823. Protist 168:392–407. 2017
Parasite of Staurastrum sp. (Desmidiaceae) Lake Stechlin, GERMANY

STAURASTROMYCES S. Van den Wyngaert, K. Seto & K. Rojas-Jimenez. MB#819822. [Rhizophydiales, Staurastromycetaceae] Protist 168:392–407. 2017

STAURASTROMYCETACEAE S. Van den Wyngaert, K. Seto & K. Rojas. MB#819821. [Rhizophydiales] Protist 168:392–407. 2017

TERRAMYCETACEAE Letcher [Rhizophydiales] P.M. Letcher et al. Mycological Research 110:898–915, 2006

TERRAMYCES Letcher [Rhizophydiales; Terramycetaceae]; Mycological Research 110:898–915, 2006

Terramyces chiangraiensis V.G. Hurdeal & E. Gentekaki. MB# 844705. Molecular Phylogenetics and Evolution, 180 (no. 107706). 2023
Extype living culture MFLUCC 22-0102.
GenBank: ON899837 (ITS); ON892508 (LSU). 
Saprobe, pollen, soil.  Mae Salong, Mae Fah Luang District, Chiang Rai Province, THAILAND

Terramyces subangulosum (A. Braun) Letcher Ξ Chytridium subangulosum A. Braun, Abhandl. Berlin Akad.: 44 (1855). Type: Braun pl.3, figs 27–31 (1855-holotype) Epitype from culture of PL 003, Letcher et al. Mycol. Res. 110:907, figs. 3A–D, 909 fig 5 (2006); Epitype saprobic, pollen bait; forest soil, Goshen Wildlife Management Area, Lexington, VIRGINIA, USA.

Ubelmesseromycetaceae M.J. Powell & Letcher [Chytridiomycota, Rhizophydiales]; MB#810747. Mycologia 107:419–431. 2015

UEBELMESSEROMYCES M.J. Powell & Letcher [Rhizophydiales, Ubelmesseromycetaceae] MB#810748. Mycologia 107:419–431. 2015

Uebelmesseromyces harderi M.J. Powell & Letcher MB#810749. Mycologia 107:419–431. 2015. GenBank: AY349087 (nuc 28S rDNA D1-D3 domains); GenBank DQ485595 (nuc rDNA including 5.8S and ITS)
Saprobic; pine pollen, winter, James Island, British Columbia, CANADA

ULKENOMYCES Letcher & M.J. Powell [Rhizophydiales, Halomycetaceae] MB#811467. Letcher et al. Mycologia 107:808–830. 2015

Ulkenomyces aestuarii (Ulken) Letcher & M.J. Powell, comb. nov. MB#811468.
=Rhizophydium aestuarii (Ulken) Amon, Mycologia 76:138. 1984
(FIG. 5p) from Ulken 1972 declared as neotype by  Letcher et al. Mycologia 107:808–830. 2015

URCEOMYCES Letcher [Globomycetaceae, Rhizophydiales] MB# 511781. Mycological Research 112:759–782. 2008.

Urceomyces sphaerocarpum (Zopf) Letcher [Rhizophydiales, Globomycetaceae] MB#511789. Mycological Research 112:759–782. 2008.
Ξ Rhizidium sphaerocarpum Zopf 1884, Ξ Rhizophydium sphaerocarpum (Zopf) A. Fisch. 1892. Letcher et al. declared epitype sequence information from culture ARG 048.