@article {8388,
	title = {Vorkommen und Gesellschaftsanschlu{\ss} von Chenopodium botrys L. und Inula graveolens (L.) Desf. im Ruhrgebiet (Westdeutschland) sowie im regionalen Vergleich},
	journal = {Tuexenia},
	volume = {11},
	year = {1991},
	month = {1991///},
	pages = {49 - 65},
	author = {J. Dettmar}
}
@article {8328,
	title = {Medicago truncatula f. laxicycla (Leguminosae), a new taxon with loose fruit coiling promoting rapid germination of the fruit-retained seeds},
	journal = {Pl. Syst. Evol},
	volume = {174},
	year = {1991},
	month = {1991///},
	pages = {37 - 46},
	author = {E. Small and M. Jomphe and B. Brookes}
}
@article {8309,
	title = {K{\r a}lsenap, Erucastrum gallicum, en f{\"o}rsvinnande v{\"a}xt vid T{\r a}kern},
	journal = {Svensk Botanisk Tidskrift},
	volume = {85},
	year = {1991},
	month = {1991///},
	pages = {105 - 109},
	author = {P. Milberg}
}
@article {8440,
	title = {The genus Aristolochia L. (Aristolochiaceae) in Greece},
	journal = {Webbia},
	volume = {45},
	year = {1991},
	month = {1991///},
	pages = {31 - 69},
	author = {E. Nardi}
}
@article {8446,
	title = {Problems with bents: identifying British Agrostis},
	journal = {Wild Flower Mag},
	volume = {422},
	year = {1991},
	month = {1991///},
	pages = {22 - 24},
	author = {T.A. Cope}
}
@article {8365,
	title = {The weedy representatives of Proso Millet (Panicum miliaceum, Poaceae) in Central Europe},
	journal = {Thaiszia},
	volume = {1},
	year = {1991},
	month = {1991///},
	pages = {31 - 41},
	author = {H. Scholz}
}
@article {8367,
	title = {The immigration and distribution of Iva xanthiifolia Nutt. in Lithuania},
	journal = {Thaiszia},
	volume = {1},
	year = {1991},
	month = {1991///},
	pages = {43 - 48},
	author = {Z. Gudzhinskas}
}
@article {8141,
	title = {Agrostis L. in New Zealand},
	journal = {New Zealand Journal of Botany},
	volume = {29},
	year = {1991},
	month = {1991///},
	pages = {139 - 161},
	author = {E. Edgar and M.B. Forde}
}
@article {8147,
	title = {Taxonomic studies in Dasypyrum (Poaceae)},
	journal = {Nordic J. Bot},
	volume = {11},
	year = {1991},
	month = {1991///},
	pages = {135 - 142},
	author = {S. Frederiksen}
}
@article {8051,
	title = {Revision der Ononis natrix Gruppe (Leguminosae) von Makaronesien, Nordafrika und dem angrenzenden Westasien},
	journal = {Mitt. Bot. Staatssamml. M{\"u}nchen},
	volume = {30},
	year = {1991},
	month = {1991///},
	pages = {197 - 296},
	author = {D. F{\"o}rther H. \& Podlech}
}
@article {8031,
	title = {Glyceria grandis Juupajoella (EH) _ uusi laji Suomelle},
	journal = {Lutukka},
	volume = {7},
	year = {1991},
	month = {1991///},
	pages = {130 - 132},
	author = {M. K{\"a}{\"a}nt{\"o}nen}
}
@article {7995,
	title = {Estudios sobre el complejo Bromus catharticus (Poaceae): 1. Evaluaci{\'o}n estad{\'\i}stica de los caracteres taxon{\'o}micos},
	journal = {Kurtziana},
	volume = {21},
	year = {1991},
	month = {1991///},
	pages = {243 - 257},
	author = {A.M. Planchuelo}
}
@article {8086,
	title = {Brassica and Rapistrum (Brassicaceae) in Texas. Southwest},
	journal = {Nat},
	volume = {36},
	year = {1991},
	month = {1991///},
	pages = {194 - 197},
	author = {D.E. Lemke and R.D. Worthington}
}
@article {7915,
	title = {Apera interrupta (L.) Palisot de Beauvois in Hessen},
	journal = {Hessische Floristische Briefe},
	volume = {40},
	year = {1991},
	month = {1991///},
	pages = {49 - 52},
	author = {K.-D, Jung}
}
@article {8020,
	title = {Glyceria striata (Lam.) A.S. Hitchc., das gestreifte Schwadengras _ neu f{\"u}r Ober{\"o}sterreich},
	journal = {Linzer biol. Beitr},
	volume = {23},
	year = {1991},
	month = {1991///},
	pages = {251 - 255},
	author = {H. Melzer and S. Wagner}
}
@article {7898,
	title = {Epimedium alpinum bei Nordeck verwildert},
	journal = {Hess. Florist. Briefe},
	volume = {40},
	year = {1991},
	month = {1991///},
	author = {H. Arnold}
}
@article {7825,
	title = {Impatiens capensis (Balsaminaceae): nowy gatunek we florze Polski. Fragm. Flor},
	journal = {Geobot},
	volume = {35},
	year = {1991},
	month = {1991///},
	pages = {225 - 232},
	author = {P. Pawlaczyk and W. Adamowski}
}
@article {7797,
	title = {Systematic position of the genus Cicer L. (Fabaceae) from data on DNA/DNA hybridization},
	journal = {Folia Geobot. Phytotax},
	volume = {26},
	year = {1991},
	month = {1991///},
	pages = {95 - 100},
	author = {R.H. Sammour}
}
@article {7637,
	title = {Nutzung der Neophyten Impatiens glandulifera Royle und Impatiens parviflora DC. durch phytophage Insekten im Raum Bonn},
	journal = {Entomologische Nachrichten und Berichte},
	volume = {35},
	year = {1991},
	month = {1991///},
	pages = {260 - 264},
	author = {G. Schmitz}
}
@article {7545,
	title = {Adventices graini{\`e}res et autres plantes int{\'e}ressantes observ{\'e}es en 1990 au port d_Anvers (Belgique)},
	journal = {Dumortiera},
	volume = {49},
	year = {1991},
	month = {1991///},
	pages = {1 - 6},
	author = {Lambinon, Jacques}
}
@article {7673,
	title = {Artemisia annua L. _ ein auch in Deutschland eingeb{\"u}rgerter Neophyt},
	journal = {Flor. Rundbr.},
	volume = {25},
	year = {1991},
	month = {1991///},
	pages = {28 - 36},
	author = {D. Brandes and C. Janssen}
}
@article {7529,
	title = {Quelques ombellif{\`e}res jadis adventices laini{\`e}res dans la vall{\'e}e de la Vesdre, in{\'e}dites pour la flore belge},
	journal = {Dumortiera},
	volume = {49},
	year = {1991},
	month = {1991///},
	pages = {16 - 22},
	author = {Fabri, R{\'e}gine and Lambinon, Jacques}
}
@article {7352,
	title = {K rozsireniu synantropnych druhov Chenopodium ambrosioides L. a Chenopodium integrifolium Vorosch},
	journal = {Bull. Slov. Bot. Spolo_n},
	volume = {13},
	year = {1991},
	month = {1991///},
	pages = {43 - 50},
	author = {T. Schwarzov{\'a}}
}
@article {7297,
	title = {Amaranthus bouchonii in W. Norfolk},
	journal = {BSBI News},
	volume = {58},
	year = {1991},
	month = {1991///},
	pages = {42 - 43},
	author = {J. Gaffney}
}
@article {7408,
	title = {Morphology and distribution of species in the Medicago murex complex},
	journal = {Canad. J. Bot},
	volume = {69},
	year = {1991},
	month = {1991///},
	pages = {2655 - 2662},
	author = {D.J. Gillespie and J.A. McComb}
}
@article {7219,
	title = {Untersuchungen zur Vergesellschaftung und {\"O}kologie von Bunias orientalis L. im Westlichen Mitteleuropa},
	journal = {Braunschweig. Naturk. Schriften},
	volume = {3},
	year = {1991},
	month = {1991///},
	pages = {857 - 875},
	url = {http://rzbl04.biblio.etc.tu-bs.de:8080/docportal/servlets/MCRFileNodeServlet/DocPortal_derivate_00008652/Brandes-Bunias_orientalis_L_im_westlichen_Mitteleuropa.pdf},
	author = {D. Brandes}
}
@article {7328,
	title = {Lepidium latifolium L. in Leicestershire},
	journal = {BSBI News},
	volume = {59},
	year = {1991},
	month = {1991///},
	pages = {37 - 38},
	author = {T. Primavesi}
}
@article {7071,
	title = {Zum Vorkommen und zur Verbreitung der Kugeldistel-Gattung Echinops in Oberfranken},
	journal = {Ber. Naturforsch. Ges. Bamberg},
	volume = {66},
	year = {1991},
	month = {1991///},
	pages = {17 - 44},
	author = {E. Walter}
}
@article {7066,
	title = {Die Turm-G{\"a}nsekresse, Arabis turrita L., neu f{\"u}r die S{\"u}dliche Frankenalb},
	journal = {Ber. Bayer. Bot. Ges},
	volume = {62},
	year = {1991},
	month = {1991///},
	author = {H. Schuhwerk and R. Schuhwerk and L. Prager}
}
@article {7143,
	title = {Notes on the taxonomy of Diplotaxis DC. (Brassiceae)},
	journal = {Bot. J. Linn. Soc},
	volume = {106},
	year = {1991},
	month = {1991///},
	pages = {67 - 71},
	author = {J.B. Laborde}
}
@article {7102,
	title = {Bromus (Gramineae) in Malesia},
	journal = {Blumea},
	volume = {35},
	year = {1991},
	month = {1991///},
	pages = {483 - 497},
	author = {J.F. Veldkamp}
}
@article {7111,
	title = {Revision der europ{\"a}ischen Arten der Gattung Brachypodium Palisot de Beauvois (Poaceae)},
	journal = {Boissiera},
	volume = {45},
	year = {1991},
	month = {1991///},
	pages = {1 - 249},
	author = {U. Schippmann}
}
@article {7058,
	title = {Nieuwe groeiplaatsen van zeldzame planten in Belgi{\"e}. XIX},
	journal = {Belg. J. Bot},
	volume = {124},
	year = {1991},
	month = {1991///},
	pages = {115 - 118},
	author = {J.-E, De Langhe}
}
@article {6916,
	title = {Cytological and morphological studies in Medicago hispida Gaertner (= M. polymorpha L},
	journal = {Ann. Bot. (Rome)},
	volume = {49},
	year = {1991},
	month = {1991///},
	pages = {13 - 25},
	author = {E. Falistocco and M. Falcinelli}
}
@article {6821,
	title = {Taxonomy and phylogeny of the tribe Gnaphalieae},
	journal = {(Asteraceae) Opera Botanica},
	volume = {104},
	year = {1991},
	month = {1991///},
	pages = {1 - 195},
	author = {A.A. Anderberg}
}
@article {109,
	title = {Adventices graini{\`e}res et autres plantes int{\'e}ressantes observ{\'e}es en 1990 au port d{\textquoteright}Anvers (Belgique)},
	journal = {Dumortiera},
	volume = {49},
	year = {1991},
	pages = {1-6},
	chapter = {1},
	author = {Jacques Lambinon}
}
@article {102,
	title = {Quelques ombellif{\`e}res jadis adventices laini{\`e}res dans la vall{\'e}e de la Vesdre, in{\'e}dites pour la flore belge},
	journal = {Dumortiera},
	volume = {49},
	year = {1991},
	pages = {16-22},
	chapter = {16},
	author = {R{\'e}gine Fabri and Jacques Lambinon}
}
