plantain bindweed cherry dog rose . Seven insect heroes of pollination | Natural History Museum Pollen grains are very small so they blow around easily. . Canada geese, also considered a pest in some regions, prefer short turf grass over taller native grasses. The seven worst offenders are introduced species of grass, including orchard grass, bluegrasses and timothy grass, which is commonly grown for animal feed. • Insect pollinated plants are usually not allergenic, since these pollens are large, heavy and . Here are a few ways to encourage pollination in your garden: 1. Johnson, Timothy, redtop, perennial rye, June, male salt grass, Kentucky bluegrass, fescue and sweet vernal; Trees: Ash, cedar, birch . In plants allowed to mature, the flowers are pollinated by insects, wind or birds, with seed heads . Other types must be cross-pollinated; that is, in order for fertilization to take place and seeds to form, pollen must be transferred from the flower of one plant to that of another plant of the same species. grass flower Has no smell Anthers sticking out, no petals sticky feathery stigma . wind-pollinated plant fashion. Because these plants are wind-pollinated, they produce a lot of powdery, easily inhaled pollen that can trigger allergic responses. GRASSES Redtop Grass (Agrostis albia) Bermuda Grass (Cynodon dactylon) Orchard Grass (Dactylis glomerata) Timothy (Phleum pratense) Kentucky Blue Grass . a type of pollination that involves insects transporting pollen from one flower to another. Cherry Tree Pollination - Learn About The Pollination Of Cherry Trees Photos by Gundling Anemophilous (wind) Pollination Entomophilous (insect) Pollination Pawankar, et al., 2011 WHO Darrow, et al., 2012 Examples of respiratory allergens: Pollens from trees, weeds, grasses . An insect pollinated flower are usually large and conspicuous. The seven worst offenders are introduced species of grass, including orchard grass, bluegrasses and timothy grass, which is commonly grown for animal feed. Native to Europe and Asia, it has been widely introduced and grown worldwide as a highly palatable pasture grass, being particularly suitable for hay making.