It mainly feeds on seeds such as those of weeds, grasses and figs. Rabbits are herbivores that feed by grazing on grass, forbs, and leafy weeds. The nest is concealed in grasses or weeds. Pet tortoises typically require diets based on wild grasses, weeds, leafy greens and certain flowers. Pesticides are substances that are meant to control pests, including weeds. Insects, weeds, diseases and fungi. Dicamba kills annual and perennial broadleaf weeds. They transformed Chatsworth House by adding weeds, dead grass and ivy. Atrazine is a herbicide used to control weeds that grow among crops. Herbicides can be used to clear roadside weeds, trees, and brush. Degesch produced pesticides used against weeds, rodents and insects. Etofenprox is highly toxic to bees exposed to direct treatment on blooming crops or weeds. Floating islands are made out of the tangle of watery weeds and other plants. The International Survey of Herbicide Resistant Weeds database lists species that are resistant to glyphosate. Herbaceous cover decreases, and junipers are often mistaken for weeds.