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Mycological Society of America Foray, 1939, Gatlinburg, TN. Left to right: C.L. Shear, John Dearness, Morten Lange, Jakob Lange, Robert Hagelstein. Source: L.R. Hesler. |
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| Part of: Petersen RH, Knudsen H (2022) Jakob Emanuel Lange: The man and his mushrooms. MycoKeys 89: 1-86. https://doi.org/10.3897/mycokeys.89.79064 |