The Adverse factors view is used by field guides, agricultural extensions and medicinal herbalists to record the dangerous properties of this plant.

	Item	Notes
1	Common pests	This is a list of fungi, insects and larger animals that commonly attack this plant.
2	Poisonous parts	The parts of the plant that contain poisonous constituents.
3	Poisonous indications	A description of the toxic elements found in the plant.
4	Internal poison	Checked if this plant can cause illness or death when ingested.
5	Dermatologic poison	Checked if this plant can cause skin rashes or if it can trigger phototoxic hyperactivity.
6	Livestock poison	Checked if this plant should be kept out of pastures used by grazing farm animals.
7	Mechanical injury	Checked if this plant contains sharp points that easily puncture the skin.
8	Hay fever pollen	A indicator of the relative quantity of pollen produced and carried on the wind.
9	Hay fever season	The typical time of year when this plant bears wind-borne pollen.
10	Adverse qualities	An all purpose classifier to identify the undesirable qualities of this plant.