Neurogenic shock: A type of shock (a life-threatening medical condition in which there is insufficient blood flow throughout the body) that is caused by the sudden loss of signals from the sympathetic nervous system that maintain the normal muscle tone in blood vessel walls.
Smooth bromegrass forms rhizomes (underground stems that run parallel to the soil just below the soil surface) and thus spreads and forms a denser turf than many of the other grasses. The best identifying characteristic of this species is the W that is found imprinted at about the center of the leaf blade.
Bull thistle (Cirsium vulgare) Appearance: Biennial herbaceous plant, between 3 - 6' tall with one erect branched stem. It grows a rosette in its first year and blooms in its second year. Leaves: Alternate, coarsely lobed, each lobe with a spine at its tip. Spines extend downward from the leaves along prominent ridges of the stem. Upper leaf surface is rough.