Articles (67)
- Four new species of Psilocybe from Malaysia and Thailand, with a key to the species of sect. …Egon Horak, Gaston Guzman, Dennis E. Desjardin (2009): Four new species of Psilocybe from Malaysia and Thailand, with a key to the species of sect. Neocaledonicae and discussion on the distribution of the tropical and temperate species. – Sydowia – 61: 25 - 37.
- Gaston Guzman, Florencia Ramirez-Guillen, Egon Horak, Roy Halling (2009): Further studies on Psilocybe from the Caribbean, Central America and South America, with descriptions of new species and remarks to new records. – Sydowia – 61: 215 - 242.
- Egon Horak (2006): Three new species of Psilocybe (Strophariaceae, Basidiomycota) from Papua New Guinea. – Sydowia – 58: 3 - 14.
- Egon Horak, Dennis E. Desjardin (2006): Agaricales of Indonesia. 6. Psilocybe (Strophariaceae) from Indonesia (Java, Bali, Lombok). – Sydowia – 58: 15 - 37.
- Andrew W. Wilson, Dennis E. Desjardin, Egon Horak (2004): Agaricales of Indonesia. 5. The genus Gymnopus from Java and Bali. – Sydowia – 56: 137 - 210.
- Egon Horak (2004): Heimioporus E. Horak gen. nov. - replacing Heimiella Boedijn (1951, syn. post., Boletales, Basidiomycota). – Sydowia – 56: 237 - 240.
- Dennis E. Desjardin, Egon Horak (2002): Agaricales of Indonesia. 4. Mycena sect. Longisetae with comments on allied species. – Sydowia – 54: 142 - 156.
- Ursula Peintner, Egon Horak (2002): Inocybe (Basidiomycota, Agaricales) from Kamchatka (Siberia, Russia): taxonomy and ecology. – Sydowia – 54: 198 - 241.
- Egon Horak, Anton Hausknecht (2002): Notes on extra-European taxa of Bolbitiaceae (Agaricales, Basidiomycota). – Österreichische Zeitschrift für Pilzkunde – 11: 213 - 264.
- Annemieke Verbeken, Egon Horak, Dennis E. Desjardin (2001): Agaricales of Indonesia. 3. New records of the genus Lactarius (Basidiomycota, Russulales) from Java. – Sydowia – 53: 261 - 289.
- Götz Palfner, Egon Horak (2001): Gautieria inapire sp. nov., a new hypogeous species from Nothofagus forest in southern Central Chile. – Sydowia – 53: 140 - 151.
- Dennis E. Desjardin, Atik Retnowati, Egon Horak (2000): Agaricales of Indonesia. 2. A preliminary monograph of Marasmius from Java and Bali. – Sydowia – 52: 92 - 194.
- Reinhard Agerer, Joseph F. Ammirati, Timothy J. Baroni, Paul A. Blanz, Regis Courtecuisse, Dennis E. Desjardin, Walter Gams, Nils Hallenberg, Roy Halling, David Leslie Hawksworth, Egon Horak, Richard P. Korf, Greg M. Mueller, Franz Oberwinkler, Gerhard Rambold, Richard C. Summerbell, Dagmar Triebel, Roy Watling (2000): Open Forum: Inouts requested by referees. – Sydowia – 52: 67 - 72.
- Dennis E. Desjardin, Egon Horak (1999): Agaricales of Indonesia. 1. A new cyphelloid genus ( Lecanocybe lateralis gen. et. sp. nov.) from Java and the Hawaiian Islands. – Sydowia – 51: 20 - 26.
- Egon Horak, G. Moreno (1998): Rhodogaster calongei sp. nov. (Basidiomycota), first European record of the secotiaceous entolomatoid genus from northern Spain. – Sydowia – 50: 187 - 191.
- Fernando Esteve-Raventos, V. Gonzalez, F. Arenal, Egon Horak (1998): Taxonomical remarks to Collybia hariolorum var. alpicola (Tricholomataceae) recently reported from the alpine zone of the Spanish Pyrenees and the French Alps – Zeitschrift für Mykologie - Journal of the German Mycological Society – 64_1998: 67 - 72.
- Cortinarius Fr. (Agaricales) in Australasia. 2. Subgen. Phlegmacium in Papua New Guinea.Egon Horak (1995): Cortinarius Fr. (Agaricales) in Australasia. 2. Subgen. Phlegmacium in Papua New Guinea. – Sydowia – X: 101 - 126.
- Egon Horak (1995): Cortinarius Fr. (Agaricales) in Australasia. 2. Subgen. Phlegmacium in Papua New Guinea – Sydowia Beihefte – 10: 101 - 126.
- Egon Horak (1994): Addenda ad Galerinam. 1. Galerina robertii sp. n., eine neue Art aus den französischen Alpen – Zeitschrift für Mykologie - Journal of the German Mycological Society – 60_1994: 85 - 90.
- Egon Horak (1993): Distribution and ecology of Arctic-alpine species of Galerina and Phaeogalera in the northern and southern hemisphere. – Sydowia – 45: 346 - 376.
- Egon Horak, A. E. Wood (1990): Cortinarius FR. (Agaricales) in Australasia. 1. Subgen. Myxacium and subgen. Paramyxacium. – Sydowia – 42: 88 - 168.
- Egon Horak (1987/1988): On some extraordniary species of Galerina EARLE from New Zealand, Australia and Indonesia, with annotations to related South American taxa. – Sydowia – 40: 65 - 80.
- Egon Horak (1987/1988): New species of Dermocybe (Agaricales) from New Zealand. – Sydowia – 40: 81 - 112.
- Gerwin Keller, Meinhard Michael Moser, Egon Horak, Wolfgang Steglich (1987/1988): Chemotaxonomic investigations of species of Dermocybe (FR.) WÜNSCHE (Agaricales) from New Zealand, Papua New Guinea and Argentina. – Sydowia – 40: 168 - 187.
- Egon Horak (1986/1987): Tetrapyrgos HORAK (nom. et gen. nov.) replacing Pterospora MÉTROD (1949; nom. preocc.). – Sydowia – 39: 101 - 103.
- Egon Horak (1986/1987): Über neue und systematisch interessante Agaricales aus der alpinen Zone der Alpen. – Sydowia – 39: 104 - 123.
- Orlando Petrini, Egon Horak (1985/1986): Emil Müller - zum 65. Geburtstag. – Sydowia – 38: 400 - 413.
- Egon Horak (1984): Polyporus nigrocristatus n.spec., a new polypore from New Zealand. – Sydowia – 37: 47 - 49.
- Egon Horak (1983): Neufunde und Bemerkungen zu einem emendierten Gattungskonzept von Pterospora MÉTROD (Agaricales). – Sydowia – 36: 125 - 138.
- Franz Schinner, Cuno Furrer-Ziogas, Egon Horak (1983): Kurzmitteilungen. Meinhard Moser - zum 60. Geburtstag. – Sydowia – 36: 331 - 347.
- Egon Horak (1982): Entoloma in South America. II. – Sydowia – 35: 75 - 99.
- Egon Horak (1981): Conchomyces v. OVEREEM - an Independent Genus within the Agaricales? – Sydowia – 34: 109 - 114.
- Egon Horak (1981): Notes on Taxonomy and Biogeography of Rozites KARSTEN. – Sydowia – 34: 94 - 108.
- Egon Horak (1980): Supplementary remarks to Austroboletus (CORNER) WOLFE (Boletaceae). – Sydowia – 33: 71 - 87.
- Egon Horak (1980): Taxonomy and distribution of two little known, monotypic genera of Agaricales: Amparoina, Cystoagaricus. – Sydowia – 33: 64 - 70.
- Egon Horak (1980): Indian Boletales and Agaricales Revisions and new taxa. – Sydowia – 33: 88 - 110.
- Egon Horak (1980): On Australasian species of Lepiota S. F. GRAY (Agaricales) with spurred spores. – Sydowia – 33: 111 - 144.
- Egon Horak, J. Stangl (1980): Notizen zur Taxonomie und Verbreitung von Inocybe leptocystis ATK. – Sydowia – 33: 145 - 151.
- Egon Horak (1980): New and Remarkable Hymenomycetes from Tropical Forests in Indonesia (Java) and Australasia. – Sydowia – 33: 39 - 63.
- Egon Horak (1979): Paxilloid Agaricales in Australia. – Sydowia – 32: 154 - 166.
- Egon Horak (1979): New Species of Simocybe Karsten (Agaricales) from Papua New Guinea. – Sydowia – 32: 123 - 130.
- Egon Horak (1979): Xeromphalina and Heimiomyces in Indomalaya and Australasia. – Sydowia – 32: 131 - 153.
- Egon Horak (1979): Additional species of Simocybe (Agaricales) from Sabah and Australia. – Sydowia – 32: 181 - 184.
- Egon Horak (1979): New and interesting species of Phaeomarasmius (Agaricales) from Papua New Guinea and adjacent regions. – Sydowia – 32: 167 - 180.
- Stephanosporaceae - eine neue Familie der Basidiomycetes mit aphyllophoralen und gastroiden…Franz Oberwinkler, Egon Horak (1979): Stephanosporaceae - eine neue Familie der Basidiomycetes mit aphyllophoralen und gastroiden Fruchtkörpern – Österreichische Botanische Zeitschrift = Plant Systematics and Evolution – 131: 157 - 164.
- Egon Horak (1978/1979): Notes on Rhodocybe MAIRE. – Sydowia – 31: 58 - 80.
- Gaston Guzman, Egon Horak (1978/1979): New Species of Psilocybe from Papua New Guinea, New Caledonia and New Zealand. – Sydowia – 31: 44 - 54.
- Egon Horak (1977/1978): Entoloma in South America. I. – Sydowia – 30: 40 - 111.
- Irma J. Gamundi, Egon Horak (1977): Una nueva especie de Underwoodia de los bosques andinopatagonicos – Sydowia Beihefte – 8: 162 - 167.
- Egon Horak (1977): Three New Genera of Agaricales from Papua New Guinea – Sydowia Beihefte – 8: 202 - 208.
- Meinhard Michael Moser, Egon Horak (1977): Verzeichnis der wichtigsten Publikationen von R. SINGER – Sydowia Beihefte – 8: 1 - 25.
- Egon Horak (1976/1977): Additions to "On cuboid-spored species of Entoloma". – Sydowia – 29: 289 - 299.
- Egon Horak (1976/1977): Further additions towards a monograph of Phaeocollybia. – Sydowia – 29: 28 - 70.
- Egon Horak (1975/1976): On cuboid-spored species of Entoloma (Agaricales). – Sydowia – 28: 171 - 236.
- Egon Horak (1964): Fungi austroamericani V. – Sydowia – 17: 197 - 205.
- Egon Horak (1964): Fungi austroamericani VII. – Sydowia – 17: 297 - 301.
- Egon Horak (1964): Fungi austroamericani IX. – Sydowia – 17: 308 - 313.
- Egon Horak (1964): Fungi austoamericani III.. – Sydowia – 17: 190 - 192.
- Egon Horak (1964): Fungi austroamericani. – Sydowia – 17: 153 - 167.
- Egon Horak (1964): Fungi austroamericani VI. – Sydowia – 17: 206 - 213.
- Egon Horak (1963): Bemerkungen zu Mycena belliae (Johnst.) Orton n. c. 1960 – Zeitschrift für Pilzkunde – 29_1963: 97 - 101.
- Egon Horak (1962): Fragmenta mycologica I. Beiträge zur Kenntnis d er Gattungen Fayodia Kühn., Cystoderma Fay., Rhodophyllus Quel. und Coprinus (Pers. ex Fr.) S. F. Gray – Zeitschrift für Pilzkunde – 28_1962: 14 - 20.
- Die Pilzvegetation im Gletschervorfeld (2290-2350 m) des Rotmoosferners in den Otztaler Alpen…Egon Horak (1960): Die Pilzvegetation im Gletschervorfeld (2290-2350 m) des Rotmoosferners in den Otztaler Alpen (Vorläufige Mitteilung) – Repositorium Universität Innsbruck – 371: 1.
- Die Pilzvegetation im Gletschervorfeld (2290-2350 m) des Rotmoosferners in den Otztaler AlpenEgon Horak (1960): Die Pilzvegetation im Gletschervorfeld (2290-2350 m) des Rotmoosferners in den Otztaler Alpen – Repositorium Universität Innsbruck – 131: 1.
- Egon Horak (1959): Beitrag zur Pilzflora des Burgenlandes I. – Sydowia – 13: 131 - 138.
- Egon Horak (1959): Ökologische und soziologische Beobachtungen an Geastrum quadriiidum Pers. in Nordtirol – Zeitschrift für Pilzkunde – 25_1959: 4 - 10.
- Meinhard Michael Moser, Egon Horak (1968): PSILOCYBE SERBICA SPEC. NOV., EINE NEUE PSILOCYBIN UND PSILOCIN BILDENDE ART AUS SERBIEN – Zeitschrift für Pilzkunde – 34_1968: 137 - 144.