yerbas

n. green; herb; grass

= herb, grass.
Ex: This article contains information related to the scientific literature on herbs, a group of plants important in the medicinal, perfume, culinary, and dye industries.
Ex: In 'upper town' streets are broad, quiet, and tree-shaded; the homes are tall and heavy and look like battleships, each anchored in its private sea of grass.

ERBE. PIANTE