Poison oak refers to two plant species in the genus Toxicodendron, both of which can cause skin irritation:
The genus Scrophularia of the family Scrophulariaceae comprises about 200 species of herbaceous flowering plants commonly known as figworts. Species of Scrophularia all share square stems, opposite leaves and open two-lipped flowers forming clusters at the end of their stems. The genus is found throughout the Northern Hemisphere.
Veronica chamaedrys, the germander speedwell, bird's-eye speedwell, or cat's eyes, is a herbaceous perennial species of flowering plant in the plantain family Plantaginaceae.
Scrophularia marilandica, also called late figwort, Maryland figwort, carpenter's square, or eastern figwort, is a flowering plant in the family Scrophulariaceae, native throughout eastern and central North America, where it is found growing in dry woods from Manitoba and Quebec south to Texas and Florida.
Scrophularia nodosa is a perennial herbaceous plant found in temperate regions of the Northern hemisphere except western North America. It grows in moist and cultivated waste ground.
Scrophularia californica is a flowering plant in the figwort family which is known by the common names California figwort and California bee plant.
Scrophularia umbrosa, the green figwort, is a perennial herbaceous plant found in Europe and Asia. It grows in moist and cultivated waste ground.
Shargacucullia scrophulariae, the water betony, is a moth of the family Noctuidae. It is found throughout Europe, east to Turkey.
S. californica may refer to:
Scrophularia lanceolata is a species of flowering plant in the figwort family known by the common names lanceleaf figwort and American figwort. It is native to North America, where it is known from western and eastern Canada and much of the United States except for the southeastern quadrant. Past common names include Western figwort when the western US plants were grouped under the name Scrophularia occidentalis and the eastern US plants were called Scrophularia leporella with the common name hare figwort.
Yew is a common name given to various species of trees.
Tenthredo scrophulariae, the figwort sawfly is a species of the family Tenthredinidae, subfamily Tenthredininae.
Scrophularia auriculata, the shoreline figwort or water figwort, is a perennial plant of the genus Scrophularia in the family Scrophulariaceae. It is found commonly in Western Europe and North Africa, on the margins of rivers, ponds and similar damp places. It is an upright plant reaching 70 cm with blunt oval, crenate leaves in alternate pairs on the greenish–purple square stem, most leaves may have two small lobes at their base. The spikes of flowers are held stiffly on square stems which arise from the main stem in the angle of the leaf stalks. The square stems have a wing running down each corner. These wings are more obvious than on the closely related common figwort. The flowers are small, maroon-brownish and globular with two small lips above and below. The five sepals are green with a white margin, broader on the water figwort than the common figwort. The plant flowers from June to September after when the flowers produce small spherical to pear-shaped capsules containing a large number of seeds.
S. floribunda may refer to:
Milk parsley is a common name for several plants and may refer to:
Mountain figwort is a common name for several plants and may refer to:
Water betony may refer to:
Cionus hortulanus is a species of weevils belonging to the family Curculionidae, subfamily Curculioninae.
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