@article {43668,
	title = {A test of physical limitation to specific substrata during establishment for Didymodon johansenii},
	volume = {24},
	year = {2002},
	pages = {197-206},
	publisher = {Journal of Bryology},
	url = {http://www.jstor.org/view/00218790/ap990143/99a00020/1?frame=noframe\&userID=83e803ad@athabascau.ca/01c0a8346a00501d59c51\&dpi=3\&config=jstor},
	author = {Cleavitt, Natalie L.}
}
