Native to North America, river birches make excellent shade trees thanks in part to their rapid growth rate, which can be well over 2 feet a year. Their final height of around 40 feet or more, combined with their canopy's spread of over 20 feet, means they're perfect for shading large...
All three species of flowering quince are spiny deciduous shrubs that bear simple alternately arranged leaves with serrated (toothed) margins. Blooming in late winter or early spring, the flowers have five petals and can be up to 4.5 cm (1.8 inches) in diameter. The fruit is a pome. The ...
Plant type (tree or shrub) was non-significant except for O. taurus which was more abundant in samples from trees than shrubs (98 versus 38 total individuals, respectively; Table 2). Figure 1. Total number of individuals of six non-Apis non-native bee species in ca. 50-bee samples from...