@article {7916,
	title = {Der Klebrige G{\"a}nsefu{\ss}, Chenopodium botrys L., am Flughafen bei Frankfurt a. M.},
	journal = {Hessische Floristische Briefe},
	volume = {8},
	year = {1959},
	month = {1959///},
	author = {K.P. Buttler}
}
@article {7917,
	title = {Dipsacus strigosus Roemer et Schultes als Neub{\"u}rger in Frankfurt},
	journal = {Hessische Floristische Briefe},
	volume = {29},
	year = {1980},
	month = {1980///},
	pages = {63 - 65},
	author = {K.P. Buttler}
}
@article {7055,
	title = {Bericht {\"u}ber Funde der Kleineren Weichen Trespe (Bromus hordeaceus subsp. pseudothominei) in S{\"u}dhessen},
	journal = {Beitr{\"a}ge zur Naturkunde in Osthessen},
	volume = {43},
	year = {2006},
	month = {2006///},
	pages = {5 - 7},
	author = {K.P. Buttler}
}
