Urban Ecology

pp 613-617

Documentation of Genetic Differences in a Volunteer Grass, Poa annua (Annual Meadowgrass), under Different Conditions of Golf Course Turf, and Implications for Urban Landscape Plant Selection and Management

  • Peter H. VelguthAffiliated withDepartment of Horticulture, University of Wisconsin
  • , Donald B. WhiteAffiliated withDepartment of Horticulture, University of Minnesota

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Poa annua, commonly known as annual meadowgrass or annual bluegrass, is worldwide in distribution (Beard et al. 1978), and is one of the ten most abundant weeds in city allotment gardens (Gilbert 1989). Plants range from an annual bunching habit to a prostrate creeping plant that roots at nodes and tends to be perennial (Beard et al. 1978; Gibeault and Goetze 1972). Particular forms have been found in association with specific habitats and several studies have suggested that differences in populations have a genetic basis.