The Venturiaceae in North America

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Abstract
Thirteen genera are recognized in the family Venturiaceae (order Pleosporales, Loculoascomycetidae) in temperate North America. Eighty entities are included. Ten of these are new to science: Venturia fagi, V. pruni, V. canadensis, V. alaskensis, Xenomeris abietis, Antennularia oxydendri, A. alpina var. major, A. variisetosa, A, latispora, and A. ledi. Sixteen are new combinations: Venturia syringae (H. Syd.), V. rhamni (Bonar), V. weiriana (Petrak), V. juncaginearum (Lasch), Stigmatea pulchella (Cke. & Peck), Coleroa sporoboli (Greene), C. plantaginis (Ell.), Gibbera vaccinicola (Dearn. & House), G. cercocarpi (Ell. & Ev.), G. distegiae (Tracy & Earle), G. gaultheriae (Ell. & Ev.), Antennularia maculosa (Ell.), A. curviseta (Peck), A. fimiseda (Mout.), A. grossulariae (Auersw. & Fleischh.), A. vancouverensis (Dearn.). The new name Venturia minuta is proposed to replace the invalid V. microspora Nüesch and Venturia acerina Plakidas ex Barr is validated with a Latin diagnosis. The genus Venturia is subdivided into two subgenera: Venturia, comprising sections Venturia,Phaeosphaerella (Karst.) stat. nov., Endostigme (H. Syd.) stat. nov., and subgenus Spilosticta (H. Syd.) stat. nov., comprising sections Spilosticta,Macula sect, nov., Coleroidea sect. nov. Coleroa contains the subgenera Coleroa and Hormotheca (Bon.) stat. nov. Gibbera is divided into Gibbera and Venturioides subg. nov., and Antennularia into subgenera Antennularia,Capnoda subg. nov., Gibberoidea subg. nov., and Protoventuria (Berl. & Sacc.) stat. nov. A number of species which have been described in Venturia or other genera of the Venturiaceae are excluded from the family. Disposition of these taxa is made, including the new combinations Wentiomyces fimbriatus (Dearn. & House) comb. nov. and Nematostoma occidentalis (Ell. & Ev.) comb. nov.

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