APA Citation

Purvis, O. W., Smith, C. W., & James, P. W. (1994). Studies in the lichens of the Azores. Part 2 - Lichens of the upper slopes of Pico mountain. A comparison between the lichen floras of the Azores, Madeira and the Canary Islands at high altitudes.

Chicago Style Citation

Purvis, Ole W., Clifford W. Smith, and Peter W. James. Studies in the Lichens of the Azores. Part 2 - Lichens of the Upper Slopes of Pico Mountain. A Comparison between the Lichen Floras of the Azores, Madeira and the Canary Islands At High Altitudes. 1994.

MLA Citation

Purvis, Ole W., Clifford W. Smith, and Peter W. James. Studies in the Lichens of the Azores. Part 2 - Lichens of the Upper Slopes of Pico Mountain. A Comparison between the Lichen Floras of the Azores, Madeira and the Canary Islands At High Altitudes. 1994.

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