Displaying 26 - 50 out of 291 Object(s)

Taxon Collector Date Country State/Province Locality Type Status Barcode Notice
Juncus drummondii E.Mey. F. Petrak 50181 09 Aug 1950 United States of America Wyoming Lake Marie, Medicine Bow Mts. Juncus drummondii E.Mey.
Juncus interior Wiegand x J. tenuis Willd. F. Petrak 50211 04 Aug 1950 United States of America South Dakota Pennington Co. Hyw. 16, near… Juncus interior Wiegand x J. tenuis Willd.
Mentha arvensis var. glabrata (Benth.) Fernald F. Petrak 50094 04 Aug 1950 United States of America South Dakota Near Rockerville in the Black… Mentha arvensis var. glabrata (Benth.) Fernald
Betula papyrifera Marshall F. Petrak 50167 13 Aug 1950 United States of America South Dakota Custer Co. In gully below… Betula papyrifera Marshall
Synchytrium succisae de Bary & Woronin F. Petrak s.n. Sep 1924 Synchytrium succisae de Bary & Woronin
Peronospora arborescens (Berk.) Casp. F. Petrak s.n. May 1923 Poland Jab?onka Peronospora arborescens (Berk.) Casp.
Peronospora niessliana Berl. F. Petrak s.n. May 1923 Peronospora niessliana Berl.
Arctostaphylos uva-ursi (L.) Spreng. F. Petrak 50253 04 Aug 1950 United States of America South Dakota Custer Co. Woods, roadside, Hwy.… Arctostaphylos uva-ursi (L.) Spreng.
Peronospora radii de Bary F. Petrak s.n. Jun 1923 Peronospora radii de Bary
Peronospora sordida Berk. & Broome F. Petrak s.n. VIII.1923 Czech Republic West Beskids. [Possibly Pogórze Bukoskie] Peronospora sordida Berk. & Broome
Amorpha nana Nutt. F. Petrak 50073 03 Aug 1950 United States of America South Dakota roadside Hwy 85, south of… Amorpha nana Nutt.
Plasmopara pusilla (de Bary) J.Schröt. F. Petrak s.n. Aug 1940 Czech Republic Moravia"in pratis ad flumen Becwa… Plasmopara pusilla (de Bary) J.Schröt.
Plasmopara pusilla (de Bary) J.Schröt. F. Petrak s.n. Aug 1940 Germany "in pratis ad flumen Becwa… Plasmopara pusilla (de Bary) J.Schröt.
Taphrina epiphylla (Sadeb.) Sacc. F. Petrak s.n. Jun 1923 Taphrina epiphylla (Sadeb.) Sacc.
Taphrina populina Fr. F. Petrak s.n. Jun 1923 Slovakia ...Leutschau [Levoca] Taphrina populina Fr.
Taphrina tosquinetii (Westend.) Magnus F. Petrak s.n. Aug 1923 Taphrina tosquinetii (Westend.) Magnus
Calosphaeria abnormis (Fr.) Höhn. F. Petrak s.n. Aug 1914 Austria Weisskirchen Calosphaeria abnormis (Fr.) Höhn.
Chalcosphaeria pustula (Pers.) Höhn. F. Petrak s.n. May 1936 Germany Weißkirchen, Marienthal Chalcosphaeria pustula (Pers.) Höhn.
Cryptodiaporthe aesculi (Fuckel) Petr. F. Petrak s.n. Sep 1920 Germany Weisskirchen Cryptodiaporthe aesculi (Fuckel) Petr.
Cryptospora suffusa (Fr.) Tul. & C.Tul. F. Petrak 3525 Oct. 1942 Czech Republic Moravia orient.: ad ripam fluminis… Cryptospora suffusa (Fr.) Tul. & C.Tul.
Cryptospora suffusa (Fr.) Tul. & C.Tul. F. Petrak 3525 Oct. 1942 Moravia orient: ad ripam fluminis… Cryptospora suffusa (Fr.) Tul. & C.Tul.
Cryptospora suffusa (Fr.) Tul. & C.Tul. F. Petrak 606 9.V.1918 Cryptospora suffusa (Fr.) Tul. & C.Tul.
Cryptospora suffusa (Fr.) Tul. & C.Tul. F. Petrak 629 23.I.1918 Cryptospora suffusa (Fr.) Tul. & C.Tul.
Cryptosporella leptasca (Peck & Clinton) Sacc. F. Petrak 2033 Sep 1912 Mahrisch Weisskirchen Cryptosporella leptasca (Peck & Clinton) Sacc.
Diaporthe arctii (Lasch) Nitschke F. Petrak 3527 Jul 1936 Moravia orient.: in arenosis ad… Diaporthe arctii (Lasch) Nitschke