Articles (2)

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• Correlations Between Secondary-Product Chemistry and Ecogeography in the Ramalina siliquosa Group…William Louis Culberson, Chicita Frances Culberson, Anita Johnson

  William Louis Culberson, Chicita Frances Culberson, Anita Johnson (1977): Correlations Between Secondary-Product Chemistry and Ecogeography in the Ramalina siliquosa Group (Lichens) – Österreichische Botanische Zeitschrift = Plant Systematics and Evolution – 127: 191 - 200.

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• The Behavior of the Species of the Ramalina siliquosa Group in Portugal*William Louis Culberson

  William Louis Culberson (1969): The Behavior of the Species of the Ramalina siliquosa Group in Portugal* – Österreichische Botanische Zeitschrift = Plant Systematics and Evolution – 116: 85 - 94.

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