@article {1347,
	title = {The lichen family Pannariaceae in Europe},
	journal = {Opera Botanica},
	volume = {45},
	year = {1978},
	month = {11/1978},
	pages = {1-124},
	isbn = {91-546-0241-6},
	issn = {0078-5237},
	author = {Per M. J{\o}rgensen}
}
@article {1518,
	title = {Keys to the species of the lichen genus Stereocaulon (Schreb.) Hoffm},
	journal = {Journ. Hattori Bot. Lab.},
	volume = {44},
	year = {1978},
	month = {09/1978},
	pages = {209-250},
	author = {Ivan Mackenzie Lamb}
}
@article {673,
	title = {Fruticose and Foliose Lichens of the High-Mountain Areas of the Southern Appalachians},
	journal = {The Bryologist},
	volume = {81},
	number = {1},
	year = {1978},
	pages = {1-93},
	author = {Jonathan Dey}
}
@article {1348,
	title = {The lichen family Pannariaceae in Europe},
	journal = {Opera Botanica},
	volume = {45},
	year = {1978},
	pages = {49},
	author = {Per M. J{\o}rgensen}
}
@article {1349,
	title = {The lichen family Pannariaceae in Europe},
	journal = {Opera Botanica},
	volume = {45},
	year = {1978},
	pages = {70},
	author = {Per M. J{\o}rgensen}
}
@article {641,
	title = {The Role of Lichens in Antarctic Ecosystems},
	journal = {The Bryologist},
	volume = {81},
	number = {2},
	year = {1978},
	pages = {268-276},
	chapter = {268},
	url = {http://www.jstor.org/stable/pdfplus/3242188.pdf},
	author = {Lindsay, D.C.}
}
@article {1436,
	title = {Three Foliicolous lichen species from Andaman Islands, new to Indian flora},
	journal = {New Botanist},
	volume = {5},
	year = {1978},
	pages = {11-14},
	author = {Ajay Singh}
}
