Welcome to the Texas Board of Nursing Website. We welcome you to the Texas Board of Nursing (BON or Board) website. The BON has been serving the public for more than 100 years since its establishment in 1909 by the Legislature to regulate the safe practice of nursing in Texas.e welcome you to the Texas Board of Nursing (BON or Board) website. The BON has been serving the public for more than 100 years since its establishment in 1909 by the Legislature to regulate the safe practice of nursing in Texas.
Sugar maple, Norway maple and silver maple all have extremely shallow roots, especially silver maples, which often have large, exposed roots well above the ground level. This makes it difficult to nearly impossible for grass or other plants to live underneath a silver maple tree.
Maple helicopters fall before the leaves drop from the trees. Maple trees (Acer spp.) produce winged seeds called double samaras, which twirl to the ground in late summer or early fall. They resemble helicopters in motion, earning them the common name of helicopters or whirligigs.