@article {1178,
	title = {An interesting new species of Lempholemma from Canada},
	journal = {Lichenologist},
	volume = {4},
	year = {1969},
	pages = {99-104},
	chapter = {99},
	author = {Aino Henssen}
}
@article {1177,
	title = {Three non-marine species of the genus Lichina},
	journal = {Lichenologist},
	volume = {4},
	year = {1969},
	pages = {88-98},
	chapter = {88},
	author = {Aino Henssen}
}
@article {1379,
	title = {A revision and review of Lemmopsis and some related species},
	journal = {Lichenologist},
	volume = {13},
	number = {2},
	year = {1981},
	pages = {123-139},
	author = {L. T. Ellis}
}
@article {1175,
	title = {New or Interesting Cyanophilic Lichens I.},
	journal = {Lichenologist},
	volume = {5},
	year = {1973},
	pages = {444-451},
	chapter = {444},
	author = {Aino Henssen}
}
