Displaying 251 - 275 out of 291 Object(s)

Taxon Collector Date Country State/Province Locality Type Status Barcode Notice
Sclerophomella erysimi Petr. F. Petrak s.n. May 1924 Czech Republic M. Weisskirchen type Sclerophomella erysimi Petr.
Senecio crassulus A.Gray F. Petrak 50133 08 Aug 1950 United States of America Wyoming Shore of Nash Fork Creek,… Senecio crassulus A.Gray
Septoria sileris Petr. F. Petrak s.n. Jun 1940 Austria Lower Austria Wien Umgebung (Distr.). Wien. Pfaffstätten type
Septoria vindobonensis Petr. F. Petrak s.n. Sep 1940 Austria Lower Austria Niederösterreich. Pfaffenberg, Deutsch-Altenburg type Septoria vindobonensis Petr.
Seynesiella juniperi (Desm.) G.Arnaud F. Petrak s.n. Oct 1924 Moravia, M. Weisskirchen Seynesiella juniperi (Desm.) G.Arnaud
Silene acaulis (L.) Jacq. F. Petrak 50024 09 Aug 1950 United States of America Wyoming Albany Co. At high point… Silene acaulis (L.) Jacq.
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…
Solanum triflorum Nutt. F. Petrak 50158 03 Aug 1950 [Illegible] - Tal bis [illegible];… Solanum triflorum Nutt.
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
Spilosticta adeana Petr. F. Petrak s.n. Apr 1936 Czech Republic M. Weisskirchen possible isotype Spilosticta adeana Petr.
Spilosticta adeana Petr. F. Petrak s.n. Apr 1936 Czech Republic M. Weisskirchen type Spilosticta adeana Petr.
Stagonospora calamagrostidicola Petr. F. Petrak s.n. May 1925 Czech Republic Moravia Hrabuvka, M.-Weisskirchen type Stagonospora calamagrostidicola Petr.
Stereum sanguinolentum (Alb. & Schwein.:Fr.) Fr. F. Petrak 270 Aug 1923 [Illegible precise loc.] Stereum sanguinolentum (Alb. & Schwein.:Fr.) Fr.
Sydowiella fenestrans (Duby) Petr. F. Petrak s.n. m. Apr. Czech Republic Hraburka ad Mährisch-Weißkirchen, Moravia Sydowiella fenestrans (Duby) Petr.
Synchytrium succisae de Bary & Woronin F. Petrak s.n. Sep 1924 Synchytrium succisae de Bary & Woronin
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
Thlaspi montanum L. var. montanum F. Petrak 50074 08 Aug 1950 United States of America Wyoming [illegible] Wy. Camp Thlaspi montanum L. var. montanum
Townsendia grandiflora Nutt. F. Petrak 50151 06 Aug 1950 United States of America Wyoming Roadside, Hwy. between Fillmore &… Townsendia grandiflora Nutt.
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.
Trichopeziza brevipila (Roberge ex Desm.) Sacc. F. Petrak s.n. V. 1924 Czech Republic Moravia, Weisskirchen, Trichopeziza brevipila (Roberge ex Desm.) Sacc.