Abhandlungen über flechten
Subtitle: I-V
Published: 1894
Language: ger
Notes: Pringsheim. Jahrb. wiss. bot. I,II. v.26, p.495-542, 1894; III,IV. v.28, p.39-150, 359-486, 1895; V. v.29, p.171-236, 1896.

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