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and of P. Sclerotiorum Lib., preliminary communication — New Italian Botanical Journal 1881.
Pirotta R. — The parasitic fungi of the Grapevine. Milan 1877.
» On the blight of Corn. Milan 1877.
» and Riboni G. — Studies on milk made in the Laboratory of Cryptogamic Botany. Milan 1879.
» List of Fungi of the province of Pavia — Excerpt from the New Italian Botanical Journal 1876.
» On the rust of Mallows. Milan 1876.
» On the appearance of Mildew in Italian vineyards — Excerpt from the Bulletin of Agriculture no. 44, Milan 1879.
» On Helminthosporium Vitis (Lév.), a parasite of the leaves of the Vine. Milan 1877.
» Essay on a Monograph of the genus Sporormia. — Excerpt from the New Italian Botanical Journal 1878.
» Again on the Mildew or false Oidium of the vines. Milan 1880.
Plowright C. B. and Hamlet M. W. — On the occurrence of oxalic acid in Fungi — from the Chemical News of Aug. 31, 1877.
» Peronospora infestans — Gardeners' Chronicle 1876.
» On Mimicry in Fungi — From Grevillea.
Pollini C. — New or less known Plants of the Garden and Province of Verona. Ticino, 1819.
» Flora of Verona. Verona 1822-24.
Preuss G. Fr. — Overview of examined fungi, especially from the vicinity of Hoyerswerda in Linnaea 1849-1853.
Quelet M. — Some species of mushrooms newly observed in the Jura, in the Vosges and in the vicinity of Paris. — Excerpt from the Bulletin of the Botanical Society of France 1877.
» Some new species of Mushrooms. — Excerpt from the Bulletin of the Botanical Society of France 1878.
» New diagnoses of some critical species of Mushrooms. — Excerpt from the Bulletin of the Botanical Society of France, 1879.
» The Mushrooms of the Jura and the Vosges. Montbéliard 1873-1875.
Rabenhorst L. — Preliminary botanical report on a journey through the eastern and southern provinces of Italy — Flora, 1849-1850, Regensburg.
» Systematic overview of the cryptogams observed on his Italian journey — Flora, Regensburg 1850.
» Mycological notes — Botanical Newspaper. Berlin 1851.
» Cryptogamic Flora of Germany, Leipzig 1844-1848.
Raddi G. — On new species of Fungi found in the surroundings of Florence not registered in the 53rd edition of the Systema Naturae. Modena 1806.
Rebentisch J. — Prodromus of the New March Flora, Berlin 1804.
Rehm Doctor and Britzelmayr. — Contributions to the Augsburg mushroom flora (Separate printing from the 24th Report of the Natural History Association of Augsburg 1877.
» Ascomycetes (Observations) Regensburg. 1881.
Rehm E. — The developmental history of Peziza ciborioides Fr. Göttingen 1872.
Reichardt H. W. — Fungi, Hepatics, and leafy Mosses of the Novara Expedition. Vienna 1870.
Reinsch P. — On some new species and genera from the class of Algae and Fungi. Frankfurt 1867.
Mycological Review, illustrated quarterly collection dedicated to the study of Mushrooms, directed by M. C. Roumeguère. Toulouse 1879-1882, I-IV.
Riess and Eisenbach — Overview of fungi observed so far in the vicinity of Cassel, Cassel 1878.
Risso J. A. — Flora of Nice. Nice 1844.
Robin C. — Natural history of parasitic plants that grow on man and on living animals. Paris 1853.
Rostafinski J. T. — Attempt at a system of Mycetozoa. Strasbourg 1873.
Rostkovius J. F., Corda, Strauss, Preuss, Ditmar. — Fungi of Germany in Sturm's German Flora.
Roth A. W. — Attempt at a German Flora, Leipzig 1788-1802.
» Botanical Catalogue, Leipzig 1797-1806.
Roumeguere C. — Mycological Glossary — Excerpt from the Bulletin of the Agricultural, Scientific, and Literary Society of the Eastern Pyrenees. Perpignan 1875.
» Botanical statistics of the department of Haute-Garonne. — Excerpt from the Echo of the Province. Paris 1876.
» Note on Boletus ramosus Bull. recently found in Belgium — Excerpt from the Bulletin of the Royal Botanical Society of Belgium, volume XX.
» New study of Roesleria hypogaea. Mycological Review. Toulouse.
» Mycological Flora of the department of Tarn et Garonne. Agaricinae. Montauban 1880.
» and Saccardo P. A. = Mycological Relics of Libert, Second Series. Toulouse 1881.
» Illustrated Cryptogamy. Mushrooms. Paris 1870-73.
Roussel M. — Enumeration of Mushrooms collected by M. Husnot in the French Antilles in 1868. Paris 1870.
Saccardo P. A. — The smallpox of the Vines. Conegliano 1877 — Viticulture Review.
» Regarding Oidium Lactis Fres. Padua 1877.
» New or critical Venetian Fungi. Series I-XII, 1873-82.
» Enumeration of the Hypocreaceous Pyrenomycetes known to date. Milan 1879.
» Some Ticino Fungi — Michelia I, 547.
» Conspectus of the lower fungus genera of Italy — Michelia II.
» Pugillus Small bundle/collection of extra-European Fungi — Ibid.
» A few Dalmatian fungi from the herbarium of Visiani — Ibid.
» Penzig and Pirotta Bibliography of Italian Mycology — Ibid.
» Some extra-European fungi — Ibid.
» Regarding the Agaricus echinatus of Roth. Padua 1879.
» Spegazzinia, a new genus of Hyphomycetes. Padua 1879.
» On Peronospora viticola — in the newspaper "The Farmer" of Treviso, August 31, 1880.
» Italian Fungi delineated autographically. Tables 1-1280 — Commentary in Michelia I, p. 73, 326, 488.
» New fungi from the herbarium of Doctor Magnus — Michelia I.
» New fungi from the herbaria of Gillet, Morthier and Winter — Ibid.
» French Fungi — Michelia I and II.
» Spontaneous Flora of the Botanical Garden of Padua — New Italian Botanical Journal III, 1871.
» Specimen of Venetian Mycology. Padua 1873.
» On some new rusts (Uredineae) observed in the Venetian territory. Padua 1874.