127 (21,6%) of them are on the list of threatened segetal plants.
Aurelia U. Warcholińska 2013, 'The segetal flora of the Central Poland', Acta Agrobotanicahttps://pbsociety.org.pl/journals/index.php/aa/article/view/2626. Retrieved from DOAJ CC BY 4.0 (https://creativecommons.org/licenses/by-sa/4.0/legalcode)
The most abundant segetal communities were observed in untreated plots.
Pawlonka Zbigniew, Rymuza Katarzyna, Starczewski Krzysztof, Bombik Antoni 2015, 'Biodiversity of segetal weed community in continuous potato cultivated with metribuzin-basedweed control', Journal of Plant Protection Researchhttp://www.degruyter.com/view/j/jppr.2015.55.issue-1/jppr-2015-0008/jppr-2015-0008.xml?format=INT. Retrieved from DOAJ CC BY 4.0 (https://creativecommons.org/licenses/by-sa/4.0/legalcode)
The abundant occurrence of segetal (15.8%) and long-lived ruderal communities (8.1%) was also noted.
Janina Skrzyczyńska, Piotr Stachowicz 2012, 'Flora of fallow lands of the Podlaski Przełom Bugu mesoregion', Acta Agrobotanicahttps://pbsociety.org.pl/journals/index.php/aa/article/view/1756. Retrieved from DOAJ CC BY 4.0 (https://creativecommons.org/licenses/by-sa/4.0/legalcode)
That increased the area occupied by ruderal and segetal vegetation.
Joanna Sosnowska Agnieszka 2019, 'Changes of vegetation effects in soil properties in the post-agriculture landscapes(south-eastern Poland)', Miscellanea Geographica: Regional Studies on Developmenthttp://www.degruyter.com/view/j/mgrsd.2019.23.issue-1/mgrsd-2018-0032/mgrsd-2018-0032.xml?format=INT. Retrieved from DOAJ CC BY 4.0 (https://creativecommons.org/licenses/by-sa/4.0/legalcode)
The segetal flora of this area comprises 348 taxons of vascular plants.
Urszula A. Warcholińska 2013, 'Flora and segetal vegetation of the Sulejów Nature Park. Part I. Segetal flora', Acta Agrobotanicahttps://pbsociety.org.pl/journals/index.php/aa/article/view/2439. Retrieved from DOAJ CC BY 4.0 (https://creativecommons.org/licenses/by-sa/4.0/legalcode)
22 of them are on the list of threatened segetal plants.
Hanna Gołdyn, Ewa Arczyńska-Chudy, Anna Kujawa, Maria Jezierska-Madzar 2013, 'Segetal flora of the General D. Chłapowski Landscape Park', Acta Agrobotanicahttps://pbsociety.org.pl/journals/index.php/aa/article/view/2580. Retrieved from DOAJ CC BY 4.0 (https://creativecommons.org/licenses/by-sa/4.0/legalcode)
Segetal plant species are highly threatened in arable land.
Lemoine, C., Sérusiaux, E., Mahy, G., Piqueray, J. 2018, 'Agro-environmental scheme for segetal plant conservation in Wallonia (Belgium): anassessment in conventional and organic fields', Biotechnologie, Agronomie, Société et Environnementhttp://hdl.handle.net/11006/294. Retrieved from DOAJ CC BY 4.0 (https://creativecommons.org/licenses/by-sa/4.0/legalcode)