@book {8565,
	title = {Flora van Belgi{\"e}, het Groothertogdom Luxemburg, Noord-Frankrijk en de aangrenzende gebieden (Pteridofyten en Spermatofyten). Tweede druk},
	year = {1988},
	month = {1988///},
	publisher = {Nationale Plantentuin van Belgi{\"e}, Meise: CV},
	organization = {Nationale Plantentuin van Belgi{\"e}, Meise: CV},
	author = {J.E. De Langhe and L. Delvosalle and J. Duvigneaud and J. Lambinon and C. Vanden Berghen}
}
@article {8461,
	title = {Zwei neue Taxa des Eragrostis pilosa-Komplexes (Poaceae)},
	journal = {Willdenowia},
	volume = {18},
	year = {1988},
	month = {1988///},
	pages = {217 - 222},
	author = {H. Scholz}
}
@article {8468,
	title = {Morphological characterization of natural populations of Onobrychis viciifolia (Leguminosae) from Central Italy},
	journal = {Willdenowia},
	volume = {17},
	year = {1988},
	month = {1988///},
	pages = {19 - 31},
	author = {V. Negri and C.A. Cenci}
}
@article {8419,
	title = {Conyza sumatrensis (Retz.) E. Walker established in England},
	journal = {Watsonia},
	volume = {17},
	year = {1988},
	month = {1988///},
	pages = {145 - 148},
	author = {B. Wurzell}
}
@article {8291,
	title = {Estudio biosystem{\'a}tico de Eragrostis mexicana, E. neomexicana, E. orcuttiana, y E. virescens (Gramineae: Chloridoideae)},
	journal = {Bol. Soc. Brot},
	volume = {48},
	year = {1988},
	month = {1988///},
	pages = {95 - 112},
	author = {I. Vega and S.D. Koch}
}
@article {8458,
	title = {Zwei neue Taxa des Eragrostis pilosa-Komplexes (Poaceae)},
	journal = {Willdenowia},
	volume = {18},
	year = {1988},
	month = {1988///},
	pages = {217 - 222},
	author = {H. Scholz}
}
@article {8422,
	title = {On Conyza sumatrensis (Retz.) E. Walker and certain hybrids in the genus},
	journal = {Watsonia},
	volume = {17},
	year = {1988},
	month = {1988///},
	pages = {172 - 173},
	author = {D. McClintock and J.B. Marshall}
}
@article {8254,
	title = {Revisi{\'o}n del g{\'e}nero Agrostis L. (Poaceae) en la Pen{\'\i}nsula Ib{\'e}rica},
	journal = {Ruizia},
	volume = {7},
	year = {1988},
	month = {1988///},
	pages = {1 - 160},
	author = {Romero Garc{\'\i}a A.T., Blanca Lopez G \& Morales Torres C}
}
@article {8241,
	title = {The spread of Catalpa ovata G..Don in western Massachusetts and its biogeographic implications},
	journal = {Rhodora},
	volume = {90},
	year = {1988},
	month = {1988///},
	pages = {461 - 464},
	author = {C.J. Burk and N.D. McMaster}
}
@article {8361,
	title = {{\"O}kologische Untersuchungen an der Verschiedenbl{\"a}ttrigen Kratzdistel (Cirsium helenioides [L. Hill) in Oberfranken. Teil II: Heterophyllie und Standort.},
	journal = {Tuexenia},
	volume = {8},
	year = {1988},
	month = {1988///},
	pages = {149 - 161},
	author = {A. Weiskopf}
}
@article {8362,
	title = {{\"O}kologische Untersuchungen an der Verschiedenbl{\"a}ttrigen Kratzdistel (Cirsium helenioides [L.] Hill) in Oberfranken. Teil III: Cirsium helenioides-Bl{\"u}tenk{\"o}pfe und ihr assoziierter Insektenkomplex.},
	journal = {Tuexenia},
	volume = {8},
	year = {1988},
	month = {1988///},
	pages = {163 - 179},
	author = {M. Romst{\"o}ck}
}
@article {8071,
	title = {Aliens and adventives},
	journal = {Mixed bag. BSBI News},
	volume = {50},
	year = {1988},
	month = {1988///},
	pages = {27 - 30},
	author = {A.L. Grenfell}
}
@article {8192,
	title = {Lepidium L},
	journal = {Plant Crib},
	volume = {1988},
	year = {1988},
	month = {1988///},
	pages = {25 - 26},
	author = {T.C.G. Rich}
}
@article {8044,
	title = {Estudio taxon{\'o}mico del g{\'e}nero Ononis L. (Leguminosae) en Portugal},
	journal = {Mem. Soc. Brot},
	volume = {28},
	year = {1988},
	month = {1988///},
	pages = {5 - 53},
	author = {J.A. Devesa}
}
@article {8037,
	title = {Chenopodium simplex, an older name for C. gigantospermum (Chenopodiaceae)},
	journal = {Madro{\~n}o},
	volume = {35},
	year = {1988},
	month = {1988///},
	author = {R.D. Dorn}
}
@article {8003,
	title = {El g{\'e}nero Diplotaxis (Cruciferae) en Espa{\~n}a},
	journal = {Lagascalia},
	volume = {15},
	year = {1988},
	month = {1988///},
	pages = {243 - 248},
	author = {J.B. Laborde}
}
@article {8004,
	title = {Nuevos datos para la diagnosis de Bromus rubens L. y B. madritensis L. (Poaceae)},
	journal = {Lagascalia},
	volume = {15},
	year = {1988},
	month = {1988///},
	pages = {89 - 93},
	author = {M.A. Rivas Ponce}
}
@article {7954,
	title = {Bromus carinatus Hooker and Arnott, a grass new to Ireland},
	journal = {Irish Nat. J},
	volume = {22},
	year = {1988},
	month = {1988///},
	pages = {535 - 536},
	author = {S. Reynolds}
}
@article {7955,
	title = {Hirschfeldia incana (L.) Lagreze-Fossat present in Ireland},
	journal = {Irish Naturalists{\textquoteright} J},
	volume = {22},
	year = {1988},
	month = {1988///},
	pages = {531 - 532},
	author = {T.C.G. Rich}
}
@article {8101,
	title = {La r{\'e}serve naturelle domaniale de Poilvache {\`a} Houx (Yvoir). Mise en {\'e}vidence de sa vocation didactique},
	journal = {Nat. Mosana},
	volume = {41},
	year = {1988},
	month = {1988///},
	pages = {113 - 136},
	author = {J. Duvigneaud}
}
@article {7864,
	title = {Floravervalsing door onachtzaamheid: Bromus inermis subsp. pumpellianus nieuw voor Nederland},
	journal = {Gorteria},
	volume = {14},
	year = {1988},
	month = {1988///},
	pages = {95 - 96},
	author = {R. van der Meijden and W.J. Holverda}
}
@article {7777,
	title = {Aegilops cylindrica Host - eine neue Adventivart f{\"u}r Niedersachsen},
	journal = {Florist. Rundbr.},
	volume = {22},
	year = {1988},
	month = {1988///},
	pages = {18 - 20},
	author = {E. Garve}
}
@article {7696,
	title = {{\"O}kologische Aspekte der Ausbreitung von Bidens frondosa L. in Mitteleuropa. Verdr{\"a}ngt er Bidens tripartita L},
	journal = {Flora},
	volume = {180},
	year = {1988},
	month = {1988///},
	pages = {177 - 190},
	author = {U.-V, K{\"o}ck}
}
@article {7842,
	title = {Verbreitung, Ausbreitungsgeschichte, Soziologie und Okologie von Corispermum leptopterum (Aschers.) Iljin in der DDR: 2. Soziologie, Syndynamik, Synokologie},
	journal = {Gleditschia},
	volume = {16},
	year = {1988},
	month = {1988///},
	pages = {33 - 48},
	author = {U.V. K{\"o}ck}
}
@article {7683,
	title = {Zur Identifikation in Deutschland neu auftretender Cytisus-Arten},
	journal = {Flor. Rundbr.},
	volume = {22},
	year = {1988},
	month = {1988///},
	pages = {14 - 17},
	author = {R. Galunder}
}
@article {7430,
	title = {Le genre Echinops L. (Compositae, Cardueae). 1. Position phyl{\'e}tique et interpr{\'e}tation de l{\textquoteright}incapitulescence},
	journal = {Candollea},
	volume = {43},
	year = {1988},
	month = {1988///},
	pages = {476 - 481},
	author = {D.P. Petit}
}
@article {7434,
	title = {{\"U}ber eine Asperugo procumbens-Chenopodium foliosum-Gesellschaft im Kleinen Flei{\ss}tal/Goldberggruppe},
	journal = {Carinthia},
	volume = {179},
	year = {1988},
	month = {1988///},
	pages = {383 - 389},
	author = {P.L. Jansen}
}
@article {7329,
	title = {Cabbage patch 4. Cardaria chalepensis (L.) Handel-Mazzetti in the British Isles},
	journal = {BSBI News},
	volume = {48},
	year = {1988},
	month = {1988///},
	pages = {12 - 14},
	author = {T. Rich}
}
@article {7334,
	title = {A propos de trois plantes adventices en Alsace},
	journal = {Bull. Assoc. Amis Jard. Bot. Col de Saverne},
	volume = {1988},
	year = {1988},
	month = {1988///},
	pages = {9 - 14},
	author = {F. Geissert}
}
@article {7044,
	title = {Eine Adventivflora bei Neudorf _ H{\"u}ningen (Elsass)},
	journal = {Bauhinia},
	volume = {9},
	year = {1988},
	month = {1988///},
	pages = {53 - 61},
	author = {T. Brodtbeck and A. Huber}
}
@article {dum3893,
	title = {Putative Reynoutria japonica Houtt. x Fallopia baldschuanica (Regel) Holub hybrids discovered in Britain.},
	journal = {Watsonia},
	volume = {17},
	year = {1988},
	chapter = {163},
	url = {http://www.watsonia.org.uk/Wats17p163.pdf},
	author = {J.P. Bailey}
}
