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Search for collectorid:[5930] and year collected:[1931]
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FH: 00470386 Peltigera rufescens (Weiss) Humboldt Canada: Ontario Thunder Bay District: [data not captured] C. O. Grassl 1716 1931-8-8
FH: 00477671 Rhizocarpon geographicum (Linnaeus) de Candolle Canada: Ontario [data not captured] C. O. Grassl 1682 1931-7-25
FH: 00492861 Umbilicaria mammulata (Acharius) Tuckerman Canada: Ontario [data not captured] C. O. Grassl 1744 1931-8-5
Cladoniaceae
FH: 00412359 Cladonia cenotea (Acharius) Schaerer Canada: Ontario [data not captured] C. O. Grassl 1737 1931
Jungermanniaceae
FH: 00507902 Orthocaulis attenuatus (Martius) A. Evans Canada: Ontario [data not captured] C. O. Grassl 1402 1931-8-6
Parmeliaceae
FH: 00468423 Parmelia saxatilis (Linnaeus) Acharius Canada: Ontario [data not captured] C. O. Grassl 1753 1931-7-29