@article {115,
	title = {Pteridophytes Flora of Khun Korn Waterfall Foresr Park, Chiang Rai Province,},
	journal = {Natural History Bulletin of the Siam SocietyNatural History Bulletin of the Siam Society},
	volume = {50},
	number = {2},
	year = {2002},
	pages = {195-210},
	author = {Boonkerd, T. and Ratchata, P.}
}
@book {116,
	title = {Pteridophytes in Thailand},
	year = {2000},
	publisher = {Office of Environmental Policy and Planning},
	organization = {Office of Environmental Policy and Planning},
	address = {Bangkok},
	author = {Boonkerd, T. and Pollawatn, P.}
}
@article {130,
	title = {Taxomomic revision of the Aspleniaceae in Thailand},
	year = {2009},
	institution = {Chulalongkorn University},
	author = {Boonkerd, T.}
}
