Literature

Authors	Year	Title
C. Whitehouse	2007	Eupatorium: Joe Pye weeds and their ornamental relatives
K. M. Wiegand	1921	The genus Echinochloa in North America
E. _wikli_ski	1978	Die Einwanderung der synanthropen Art Impatiens parviflora DC. in die naturlichen Pflanzengesellschaften
R. L. Wilbur	1975	A revision of the north American genus Amorpha (Leguminosae-Psoraleae)
T. Wilhalm	2009	Digitaria ciliaris in Europe
T. Wilhalm, Pagitz K.	2001	Bromus diandrus Roth in Österreich
P. Wilkin	1992	The status of Amaranthus bouchonii Thellung within Amaranthus L. section Amaranthus: new evidence from studies of morphology and isozymes
D. Willment	1994	More on Cotula coronopifolia
C. Grey-Wilson	1983	A survey of the genus Impatiens in cultivation
O. Wilson	1979	Strange alien at Malvern Wells
J. Winsor	1983	Persistence of habitat dominance in the annual Impatiens capensis (Balsaminaceae). J
R. Wisskirchen, Krause S.	1994	Zur Verbreitung und Ökologie von Atriplex sagittata Borkh. (Glanz-Melde) im nördlichen Rheinland
F. Wojciechowski	2005	Astragalus (Fabaceae): A molecular phylogenetic perspective
S. B. Wojcikowska, Guzik J.	1996	The spread and habitats of Eragrostis pilosa (Poaceae) in the Vistula valley. Fragm. Flor
H. Wollert	1976	Zum Vorkommen des Kicher-Tragants (Astragalus cicer L.) in der Stauch- und Endmoränenlandschaft im Bereich des Malchiner Sees
R. E. Woodson	1954	The North American species of Asclepias L
B. Wurzell	1995	x Conyzigeron huelsenii in East London
B. Wurzell	1994	A history of Conyza in London
B. Wurzell	1988	Conyza sumatrensis (Retz.) E. Walker established in England
P. W. Wyse-Jackson	1983	Rapistrum rugosum (L.) All. in Ireland
F. Wyzen	2008	Le cours inférieur de la Chawresse à Méry-Tilff
B. Sudnik-Wójcikowska	1987	Iva xanthiifolia Nutt. and its communities within Warsaw
T. Yabuno	1966	Biosystematic study of the genus Echinochloa
A. Yannitsaros	1986	New data on the naturalization and distribution of Coronopus didymus (Cruciferae) in Greece
A. Yannitsaros	1974	Studies on the adventive flora of Greece, 2. Coronopus didymus (L.) Smith (Cruciferae) (in Greek)
D. P. Young	1957	Bidens vulgata Greene
Y. M. Yuan, Song, Y., Geuten, K., Rahelivololona, E., Wohlhauser, S., Fischer, E., Smets, E.	2004	Phylogeny and biogeography of Balsaminaceae inferred from ITS sequences
F. Zacharias	1980	Beiträge zur Ökologie von Chenopodium botrys L.: 7. Keimung, intraspezifische Konkurrenz und Phänologie
E. U. Zajac	1996	Kompleks Bromus mollis (Poaceae) w Polsce
E. Zanotti	1989	Segnalazioni di Amaranthus rudis Sauer e Amaranthus bouchonii Thell. in alcune località delle province di Bergamo, Brescia e Cremona
E. M. Zardini	1976	Contribuciones para una monografía del género Conyza Less., 1.
J. Zieli_ski	1975	Rodzaj Cytisus L. s.l. w Polsce. Arb
P. F. Zika	2006	Lectotypification of the names of two color forms of Impatiens capensis (Balsaminaceae)
I. G. Zog	1970	A contribution to the taxonomy of the genus Coronilla L. (Leguminosae)
F. O. Zuloaga	1989	El género Panicum (Gramineae) en la Republica Argentina, 3
F. O. Zuloaga	1981	El género Panicum (Gramineae) en la Republica Argentina, 2
F. O. Zuloaga	1979	El género Panicum (Gramineae) en la Republica Argentina, 1
M. Dan_ák	2002	Glyceria striata _ a new alien grass species in the flora of the Czech Republic
F. Dvo_ák	1982	Some results of the study of Hesperis matronalis L. from the Belanske Tatry Mountains
F. Dvo_ák	1973	Infrageneric classification of Hesperis L
F. Dvo_ák	1968	Rod Hesperis v _eskoslovensku. Biol. Pr. SAV
F. Dvo_ák	1967	Hybrids of the genus Hesperis
F. Dvo_ák	1966	A contribution to the study of the evolution of Hesperis series Matronales Cv_l. emend. Dvo_ák

Authors