Dan Blanchon

Ramalina meridionalis is a species of lichen in the family Ramalinaceae. The species was described in 2002 by Dan Blanchon and Jennifer Mary Bannister, and is found in New Zealand and on Norfolk Island and Lord Howe Island in Australia.

Ramalina riparia is a species of corticolous lichen (bark-dwelling) in the family Ramalinaceae. The species was described in 1996 by Dan Blanchon, John E. Braggins and Alison Stewart. It is found in the South Island of New Zealand.

Ramalina inflexa is a species of corticolous lichen (bark-dwelling) in the family Ramalinaceae. The species was described in 1996 by Dan Blanchon, John E. Braggins and Alison Stewart. It is found in the South Island of New Zealand.

Ramalina erumpens is a species of corticolous lichen (bark-dwelling) in the family Ramalinaceae. Originally thought to be specimens of Ramalina pacifica, the species was identified as being distinct in 1996 by Dan Blanchon, John E. Braggins and Alison Stewart. It is found in New Zealand, and on Tasmania and Macquarie Island in Australia.

Pyrenula solomonii is a species of lichen in the family Pyrenulaceae. It was first described in 2025 by Andrew J. Marshall, Peter de Lange, Dan Blanchon and André Aptroot. Endemic to the Chatham Islands of New Zealand and easily identifiable by its pink colour when fresh, the species is currently only known to grow on the bark of a single Coprosma chathamica tree.

Pyrenula quadratolocularis is a species of lichen in the family Pyrenulaceae. It was first described in 2025 by Andrew J. Marshall, Peter de Lange, Dan Blanchon and André Aptroot. Endemic to the Chatham Islands of New Zealand, the species is typically found growing on Coprosma chathamica and Coprosma propinqua, on bark exposed to the elements.

Pyrenula dalmatioides is a species of lichen in the family Pyrenulaceae which is endemic to New Zealand. It was first described in 2025 by Andrew J. Marshall, Dan Blanchon, Peter de Lange, and André Aptroot. Found in the northern North Island, the species lives almost exclusively in mangrove forests, and is an early coloniser species, displaced by different lichens over time.

Ocellularia jacinda-arderniae, known by the common name Jacinda's barnacle lichen, is a species of lichen in the family Graphidaceae. Endemic to New Zealand, it is part of the Ocellularia bicuspidata species complex. It was first described in 2019 by Andrew J. Marshall, Dan Blanchon, Robert Lücking and Peter de Lange, who named the species after New Zealand prime minister Jacinda Ardern.

Lecanora kohu is a species of corticolous lichen in the family Lecanoraceae. Endemic to the Chatham Islands of New Zealand, it was formally described as new to science in 2017.

Pyrenula largei is a species of lichen in the family Pyrenulaceae. It was first described in 2025 by Andrew J. Marshall, Peter de Lange, Dan Blanchon and André Aptroot. The species is endemic to New Zealand, found in both the North Island and the South Island.

Buellia kantvilasii is a species of lichen in the family Caliciaceae. Found on coastal rocks in New Zealand and eastern Tasmania, it was first described in 2017 by John Alan Elix, Dan Blanchon and Allison Knight.

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