Poa annua (annual meadowgrass, spear grass, dwarf meadow grass, winter grass, six-weeks grass, causeway grass, walk-grass)

description: annual

place of origin: Europe

urban habitat: commonly found in compacted lawns, pathways, minimally maintained parks, vacant lots, rubble dumps, highway banks and medians, small pavement openings; can tolerate dry, compacted soils and roadway salt; can go dormant in very dry conditions and return in moister conditions.

ecological function: disturbance-adapted colonizer of bare ground; food for wildlife.

history: Poa annua is one of the most common grasses found in the urban environment and is presently found throughout the world.

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