@article {81,
	title = {<em>Solorina simensis </em> and <em>S. saccata</em>},
	journal = {The Lichenologist},
	volume = {18},
	number = {1},
	year = {1986},
	pages = {57-62},
	author = {Krog, Hildur and T.D.V. Swinscow}
}
@article {718,
	title = {A new species in the genus Collema from East Africa},
	journal = {The Lichenologist},
	volume = {18},
	number = {1},
	year = {1986},
	pages = {63-70},
	author = {T.D.V. Swinscow and Krog, Hildur}
}
@article {722,
	title = {Some observations on the thallus in Pannaria, with description of a new species},
	journal = {The Lichenologist},
	volume = {18},
	number = {4},
	year = {1986},
	pages = {309-315},
	author = {T.D.V. Swinscow and Krog, Hildur}
}
