Displaying 1 - 75 out of 291 Object(s)

Taxon Collector Date Country State/Province Locality Type Status Barcode Notice
Cirsium lappaceum var. ramosum Petr. F. Petrak s.n. Jul 1912-1915 Czech Republic E seminibus a cl. G.… possible type Cirsium lappaceum var. ramosum Petr.
Cirsium sychnosanthum Petr. F. Petrak s.n. Jun 1914-Jul 1914 Czech Republic E seminibus plantae loco indicato… possible type Cirsium sychnosanthum Petr.
Penstemon rydbergii A.Nelson var. rydbergii F. Petrak 50006 08 Aug 1950 United States of America Wyoming Highway 150, above University Summer… Penstemon rydbergii A.Nelson var. rydbergii
Solanum triflorum Nutt. F. Petrak 50158 03 Aug 1950 [Illegible] - Tal bis [illegible];… Solanum triflorum Nutt.
Solanum dulcamara L. F. Petrak s.n. Jul 1911 Czech Republic Cres??: M. Weisskirchen Wiesengräben bei…
Solanum nigrum L. F. Petrak 676 Aug 1911 Czech Republic Mähr Weisskirchen: Schuttplötze an der…
Dasyscyphus willkommii (Hartig) Rehm F. Petrak s.n. V. 1922 Czech Republic West Beskiden Dasyscyphus willkommii (Hartig) Rehm
Trichopeziza brevipila (Roberge ex Desm.) Sacc. F. Petrak s.n. V. 1924 Czech Republic Moravia, Weisskirchen, Trichopeziza brevipila (Roberge ex Desm.) Sacc.
Arnica cordifolia Hook. F. Petrak 50129 Aug. 8 .950 United States of America Wyoming Albany Co. Nash Fork Creek,… Arnica cordifolia Hook.
Artemisia longifolia Nutt. F. Petrak 50103 04 Aug 1950 United States of America South Dakota Jackson Co. Badlands National Park,… Artemisia longifolia Nutt.
Macrodiplodiopsis desmazieri (Mont.) Petr. F. Petrak s.n. Oct 1940 Czech Republic MoraviaMährisch-Weißkirchen, Parkanlagen Macrodiplodiopsis desmazieri (Mont.) Petr.
Cirsium altissimum (L.) Spreng. F. Petrak 105 27. IX.,2.X. 1913 United States of America Missouri Jasper Co. Webb City Cirsium altissimum (L.) Spreng.
Cirsium brevistylum Cronquist F. Petrak 46 27 May 1911 United States of America California San Bernardino Co. Cirsium brevistylum Cronquist
Erigeron caespitosus Nutt. F. Petrak 50030 09 Aug 1950 United States of America Wyoming Albany Co. shore of North… Erigeron caespitosus Nutt.
Erigeron divergens var. divergens F. Petrak 50086 04 Aug 1950 United States of America Wyoming Goshen Co. [illegible] Lusk and… Erigeron divergens var. divergens
Craterellus cornucopioides (L.) Pers. F. Petrak s.n. Aug 1922 Craterellus cornucopioides (L.) Pers.
Cylindrobasidium evolvens (Fr.) Jülich F. Petrak 212 Sep 1923 Cylindrobasidium evolvens (Fr.) Jülich
Dendrothele acerina (Pers.) P.A.Lemke F. Petrak s.n. Oct 1924 Czech Republic Moravia, M. Weisskirchen Dendrothele acerina (Pers.) P.A.Lemke
Peniophora mutata (Peck) Bres. F. Petrak s.n. Sep 1928 Czech Republic M.-Weißkirchen: Podhorn. Peniophora mutata (Peck) Bres.
Peniophora sanguinea (Fr.) Höhn. & Litsch. F. Petrak s.n. Aug 1933 Peniophora sanguinea (Fr.) Höhn. & Litsch.
Trametes gibbosa (Pers.) Fr. F. Petrak 473 Sep 1925 Trametes gibbosa (Pers.) Fr.
Trametes suaveolens (L.:Fr.) Fr. F. Petrak 273 Sep 1923 Trametes suaveolens (L.:Fr.) Fr.
Stereum sanguinolentum (Alb. & Schwein.:Fr.) Fr. F. Petrak 270 Aug 1923 [Illegible precise loc.] Stereum sanguinolentum (Alb. & Schwein.:Fr.) Fr.
Solidago missouriensis Nutt. F. Petrak 50159 13 Aug 1950 United States of America South Dakota Custer Co. Near Sylvan Lake;… Solidago missouriensis Nutt.
Solidago ptarmicoides (Nees) B.Boivin F. Petrak 5011 15 Aug 1950 United States of America South Dakota Brown Co. Hill tops, near… Solidago ptarmicoides (Nees) B.Boivin
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
Diaporthe arctii (Lasch) Nitschke F. Petrak 219 Sep 1923 Word-Berkislen: Wfr sur Ole. Buwir… Diaporthe arctii (Lasch) Nitschke
Diaporthe arctii (Lasch) Nitschke F. Petrak 3418 Aug 1940 Moravia orient.: ad ripam fluvii… Diaporthe arctii (Lasch) Nitschke
Diaporthe brachyceras Sacc. F. Petrak 2070 Apr 1913 bei Mabrisch-Weisskirchen Diaporthe brachyceras Sacc.
Diaporthe brachyceras Sacc. F. Petrak Dec 1918 M.-Weisskirchen Diaporthe brachyceras Sacc.
Diaporthe carpini (Pers.) Fuckel F. Petrak 6 Aug 1912 M.-Weisskirchen: Rodham Diaporthe carpini (Pers.) Fuckel
Diaporthe carpini (Pers.) Fuckel F. Petrak 3419 Aug 1940 Moravia orient., montes West-Beskiden: in… Diaporthe carpini (Pers.) Fuckel
Diaporthe coneglanensis Sacc. & Speg. F. Petrak 632 27 Jan 1918 Diaporthe coneglanensis Sacc. & Speg.
Diaporthe coneglanensis Sacc. & Speg. F. Petrak Nov 1913 Diaporthe coneglanensis Sacc. & Speg.
Diaporthe controversa (Desm.) Nitschke F. Petrak Oct 1874 Mahr-Weisskirchen; Frobwkis Diaporthe controversa (Desm.) Nitschke
Diaporthe crassicollis Nitschke F. Petrak Oct 1972 M.-Weisskirchen: Hurbmiks Diaporthe crassicollis Nitschke
Diaporthe cryptica Nitschke F. Petrak 633 11 Sep 1917 Diaporthe cryptica Nitschke
Diaporthe decorticans (Lib.) Sacc. & Roum. F. Petrak May 1974 Diaporthe decorticans (Lib.) Sacc. & Roum.
Diaporthe decorticans (Lib.) Sacc. & Roum. F. Petrak s.n. May 1922 Herb - Brokislen: Berg Cablen… Diaporthe decorticans (Lib.) Sacc. & Roum.
Diaporthe desmazierii Niessl ex Sacc. F. Petrak 2515 Ukraine Galicia: ad Rybno prope Stanislau Diaporthe desmazierii Niessl ex Sacc.
Diaporthe eres Nitschke F. Petrak 3528 Sep 1942 Czech Republic Moravia orient.: in silvis ad… Diaporthe eres Nitschke
Diaporthe extensa (Fr.) Sacc. F. Petrak Aug 1816 Mahr-Weisskeichen: Usti Diaporthe extensa (Fr.) Sacc.
Diaporthe fallaciosa Nitschke F. Petrak 447 Sep 1925 Berkiolen: Bury callin Wietan Diaporthe fallaciosa Nitschke
Diaporthe grammodes (De Not.) Sacc. F. Petrak Oct 1935 Mahr.-Humkirchen Diaporthe grammodes (De Not.) Sacc.
Diaporthe hranicensis Petr. F. Petrak 3526 Oct 1942 Czech Republic Moravia orient: Teplitz prope urbem… Diaporthe hranicensis Petr.
Diaporthe hranicensis Petr. F. Petrak 3526 Oct 1942 Czech Republic Moravia orient: Teplitz prope urbem… Diaporthe hranicensis Petr.
Diaporthe hystrix (Tode) Sacc. F. Petrak 214 May 1922 Werf-Berkislen: Bery Cab bei Wroetin Diaporthe hystrix (Tode) Sacc.
Diaporthe idaeicola (P.Karst.) Vestergr. F. Petrak 2726 Spain prope Styri Diaporthe idaeicola (P.Karst.) Vestergr.
Diaporthe inaequalis (Curr.) Nitschke F. Petrak 227 Aug 1923 Diaporthe inaequalis (Curr.) Nitschke
Diaporthe incarcerata (Berk. & Broome) Nitschke F. Petrak s.n. Aug 1912 M.-Weisskirchen: Ohresndord [?] Diaporthe incarcerata (Berk. & Broome) Nitschke
Diaporthe insularis Nitschke F. Petrak s.n. Aug 1923 Germany Bei Weiten, West Berlin Diaporthe insularis Nitschke