silphium terebinthinaceum/necrosis

Sampling in Kansas and North Dakota documented the plant-herbivore and plant-pollinator interactions of the developing perennial oilseed crop, Silphium integrifolium Michx. The larva of the tortricid moth, Eucosma giganteana (Riley), was the most damaging floret- and seed-feeding pest in Kansas,

Compass plant (Silphium laciniatum), like other Silphium species, is a new horticultural plant in Poland. It is grown in gardens and farms as a medicinal, ornamental, and forage crop. For medicinal purposes, leaves, flowers, and rhizomes are harvested. During the summer of 2003, stunted plants with