Literature

Authors	Year	Title
S. I. Warwick, Wall D. A.	1998	The biology of Canadian weeds. 108. Erucastrum gallicum (Willd.) O.E. Schulz.
C. J. Swanton, Cavers, P. B., Clements, D. R., Moore, M. J.	1992	The biology of Canadian weeds: 101. Helianthus tuberosus L.
P. C. Bhowmik, Bandeen J. D.	1979	The biology of Canadian weeds: 19. Asclepias syriaca L
S. E. Weaver, McWilliams E. L.	1980	The biology of Canadian weeds: 44. Amaranthus retroflexus L., A. powellii S. Wats. and A. hybridus L.
I. J. Bassett, Crompton C. W.	1982	The biology of Canadian weeds: 55. Ambrosia trifida L.
G. Schlosser-Szigat	1966	The biology of Melilotus as a basis for its cultivation and use
P. M. Smith	1968	The Bromus mollis aggregate in Britain
D. _ákF. & B. Dadakova	1976	The chromosome morphology of Hesperis matronalis subsp. matronalis and related diploid taxa
R. L. Simpson	1985	The comparative ecology of Impatiens capensis Meerb. (Balsaminaceae) in central New Jersey
F. K. Kupicha	1977	The delimitation of the tribe Vicieae (Leguminosae) and the relationships of Cicer L
S. E. Sheeley, Raynal D. J.	1996	The distribution and status of species of Vincetoxicum in eastern North America
E. Hodgkin	1971	The double rockets
D. J. Mabberley	1983	The dusty miller's tale or Senecio cineraria DC. restored
S. D. Koch	1974	The Eragrostis pectinacea-pilosa complex in North and Central America
W. Greuter, Oberprieler, C., Vogt, R.	2003	The Euro + Med treatment of Anthemideae (Compositae) _ Generic concepts and required new names
V. B. & H. Scholz	2006	The Euro+Med treatment of Gramineae _ a generic synopsis and some new names
S. M. Walters, Brady, A., Brickell, C. D., Cullen, J., Green, P. S., Lewis, J., Matthews, V. A., Webb, D. A., Yeo, P. F., Alexander, J. C. M.	1984	The European Garden Flora, vol. 2 (part II)
K. C. Armstrong	1981	The evolution of Bromus inermis and related species of Bromus sect. Pnigma
A. P. Wharton	1981	The foxglove trees
W. K.-G	1971	The genus Agrostis L. in eastern Fennoscandia. Taxonomy and distribution
G. Chaudhury, Bhattacharya U. C.	1994	The genus Alternanthera Forssk. (Amaranthaceae) in India
A. K. Singh, Devi, Y., Srivastava, M., Singh, S.	2008	The genus Alternanthera Forssk. (Amaranthaceae) in south-eastern Uttar Pradesh
J. P. M. Brenan	1981	The genus Amaranthus in Southern Africa
M. Costea	1997	The genus Amaranthus L. section Amaranthus in Romania
E. Nardi	1991	The genus Aristolochia L. (Aristolochiaceae) in Greece
E. Nardi	1984	The genus Aristolochia L. (Aristolochiaceae) in Italy
Y. R. Ling, Humphries, C. J., Shultz, L.	2006	The Genus Artemisia L.
E. E. Sherff	1937	The genus Bidens
T. R. Soderstrom, Beaman J. H.	1968	The genus Bromus (Gramineae) in Mexico and Central America
C. Acedo, Llamas F.	1999	The genus Bromus L
K. Browicz	1963	The genus Colutea L. A monograph
K. M. Wiegand	1921	The genus Echinochloa in North America
A. Rousi	1971	The genus Hippophae L., a taxonomic study
S. W. L. Jacobs	2001	The genus Lachnagrostis (Gramineae) in Australia
H. J. Hewson	1982	The genus Lepidium in Australia
G. A. Mulligan	1961	The genus Lepidium in Canada
M. Lazarides	1980	The genus Leptochloa Beauv. (Poaceae, Eragrostideae) in Australia and Papua New Guinea
R. Thanopoulos	2007	The genus Medicago in Greece: 1. A review of species diversity, geographical distribution and ecological adaptation
S. Renvoize	2003	The genus Miscanthus
R. B. Majumdar	1973	The genus Panicum Linn. in India
R. M. Baldini	1993	The genus Phalaris L. (Gramineae) in Italy
H. Freitag	1975	The genus Piptatherum (Gramineae) in Southwest Asia. Notes Roy
A. Baytop	1989	The genus Roemeria in Turkey
A. Baytop	1989	The genus Roemeria in Turkey
F. M. Vázquez	2000	The genus Scolymus Tourn. ex L. (Asteraceae): taxonomy and distribution
R. van der Meijden	1967	The geslacht Beckmannia in Nederland
J. C. Semple, Ringius, G. S., Zhang, J. J.	1999	The Goldenrods of Ontario: Solidago L. and Euthamia Nutt. (3 rd ed.)
J. D. Sauer	1967	The grain amaranths and their relatives: a revised taxonomic and geographic survey
E. E. Gaertner	1979	The history and use of milkweed (Asclepias syriaca L.)
W. P. Stoutamire	1960	The history of cultivated gaillardias