Which is a type of grass, Pleurothallis or Lamarckia?
Pleurothallis Pleurothallis, abbreviated Pths in horticultural trade, is a genus of orchids commonly named bonnet orchids. The genus name is derived from the Greek word 'pleurothallos', meaning 'riblike branches'. This refers to the rib-like stems of many species.
Phalaris (plant) Phalaris is a genus of grasses. Various species of "Phalaris" grow on every continent except Antarctica. They can be found in a broad range of habitats from below sea level to thousands of feet above sea level and from wet marshy areas to dry places. "P. arundinacea" and "P. aquatica" are sometimes invasive species in wetlands.