Conium maculatum disturbed ground. It is used as a food plant by the larvae of some Lepidoptera species, including silver-ground carpet. The poison hemlock moth ("Agonopterix alstroemeriana") feeds on the plant during its larval stage. "A. alstroemeriana" has been widely used as a biological control agent for "C. maculatum". Poison hemlock flourishes in the spring, when most other forage is gone. All plant parts are poisonous, but once the plant is dried, the poison is greatly reduced, although not gone completely. The plant is poisonous to animals that graze on it. "Conium" contains the piperidine alkaloids coniine, N-methylconiine, conhydrine, pseudoconhydrine and gamma-coniceine
Asparagus (genus) are dioecious species, with male and female flowers on separate plants. , the World Checklist of Selected Plant Families accepts 212 species of "Asparagus", including: "A. asparagoides", known as bridal creeper, is a problematic weed in southern Australia. "A. asparagoides", "A. aethiopicus" (under the name "A. densiflorus") and "A. scandens" are listed on the New Zealand National Pest Plant Accord since they are invasive plants. Asparagus (genus) Asparagus is a genus of flowering plants in the family Asparagaceae, subfamily Asparagoideae. It comprises up to 300 species. Most are evergreen long-lived perennial plants growing from the understory as lianas, bushes or