Growth habits of dandelion, daisy, catsear, and hawkbit in some New Zealand grasslands.

Struik, G. J., (1967). New Zealand Journal of Agricultural Research 10(3-4), 331-44. English language

Measures for controlling Sclerotinia sclerotiorum (Lib.) de Bary on rape.

Kruger, W., (1973). Phytopathologische Zeitschrift 77(2), 125-137. English language

Possible sources of resistance in lettuce to Sclerotinia sclerotiorum.

Newton, H. C., Sequeira, L., (1972). Plant Disease Reporter 56, 875-878. English language

On the relationship of arable weeds to some ecological factors of soil in the Helsinki district.

Borg, P., (1964). Annales Botanici Fennici 1, 146-60. German language

Studies on the host-range of the Colorado red-node virus.

Thomas, W. D., (1949). Journal Colorado-Wyoming Academy of Science 4, 40. English language

Bestehen Möglichkeiten zur Bekämpfung des Kleekrebses. / Do possibilities exist for the control of clover canker?

Pape, H., (1954). Neue Mitteilungen fuer die Landwirtschaft. 69, 101-102. German language

Studier over slaktet Taraxacum Wigg. med sraskild hansyn tillgruppen Vulgaria Dt. in Skandinavien. / Studies on the genus Taraxacum with special reference to the group Vulgaria DT in Scandinavia.

Hofsten, C. G. von, (1954). Studier over slaktet Taraxacum Wigg. med sraskild hansyn tillgruppen Vulgaria Dt. in Skandinavien. LTs Förlag, Stockholm, Sweden. Swedish language

Studier over slaktet Taraxacum Wigg. med sraskild hansyn tillgruppen Vulgaria Dt. in Skandinavien. / [English title not available]

Hofsten, C. G. von, (1954). Studier over slaktet Taraxacum Wigg. med sraskild hansyn tillgruppen Vulgaria Dt. in Skandinavien. LTs forlag, Stockholm, Sweden. not specified language

Anatomy of Taraxacum officinale Weber.

Gier, L. J., Burress, R. M., (1942). Transactions of the Kansas Academy of Science 45, 94-97. English language

Kok-Sagyyz-yellows.

Ryjkoff, V. L., (1943). Comptes Rendus de l'Academie des Sciences URSS, NS. 12(2), 94-96. English language