In this study, common weed species (Anthemis sp., Anthemis tinctoria L., Pilosella hoppeana Schultes, Doranicum orientale Hoffm, Muscari neglectum Guss. ex Ten., Ornithogalum armeniacum Baker, narbonense wiedemannii Boiss., Anchusa azurea Miller, Echium plantagineum vulgare Ajuga orientalis Stachys germenica Juncus Anacamptis pyramidalis Ophrys apifera Huds., Carex panicea Ranunculus Hypericum ...

As a result of human activity, the rate extinction species is now 100 to 1000 times faster than under natural conditions [1]. According FAO, 75% genetic diversity agricultural crops worldwide has been lost since 1990. In Poland, about field weeds are in danger extinction. Archaeophytes growing on heavy calcareous soils, which characteristic Lathyro-Melandrietum noctiflori, Caucalido-Scandicetum...

1. Yoon SJ, Kin JS, Min BS, Kim NK, Baik SH, Lee KY, et al. Risk factors for anastomotic leakage after a low anterior resection for rectal cancer. J Korean Soc Coloproctol 2007:23:365-73. 2. Veyrie N, Ata T, Muscari F, Couchard AC, Msika S, Hay JM, et al. Anastomotic leakage after elective right versus left colectomy for cancer: prevalence and independent risk factors. J Am Coll Surg 2007;205:7...