Groundsel, Senecio vulgaris, has yellow disc flowers, somewhat like dandelion, but is a taller plant with deeply lobed clasping leaves(no petiole). There are fine hairs on both surfaces of the leaves.The flowers are in clusters and smaller than dandelion. They go on to form white downy seeds. It is said to be under reported, due to being inconspicuous. A challenge.
Three-seeded Mercury or Acalypha rhomboidea is in the spurge family but has clear rather than the more common milky sap. It runs about 1-2 feet tall, with unbranched somewhat hairy stem. Leaves are lanceolate with pinnate venation.Petioles are about 4 cm. Seeds are in tan pods. The flowers at the leaf axil are somewhat similar to pellitory. The leaf veins and the fruit are helpful distinguishing features.
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