Weeds: Reed canarygrass – Phalaris arundinacea categories: Pr-Sc Weeds revision date: 2024-06-22 11:00 Reed canarygrass emerging in springPhoto by: B.M. Johnson Family: Poaceae (Graminae) Cycle: Perennial Plant type: Grass Biology An aggressive plant, reed canarygrass grows from a large root system. It spreads rapidly by seeds and rhizomes to form large, dense patches, effectively crowding […]
Weeds: Russian thistle (Tumbleweed) – Salsola tragus (S. iberica, S. kali) categories: Pr-Sc Weeds revision date: 2024-06-22 11:00 Russian thistle seedlingPhoto by: J.A. Kropf Family: Chenopodiaceae Cycle: Annual Plant type: Broadleaf Biology Russian thistle is a densely branched plant from an extensive root system. Young plants have soft, long, string-like leaves. As the plant matures, […]
Weeds: Ryegrass, annual (Italian ryegrass) – Lolium perenne ssp. multiflorum categories: Pr-Sc Weeds revision date: 2024-06-22 11:00 Ryegrass spikeletsPhoto by: T.W. Miller Family: Poaceae (Graminae) Cycle: Annual Plant type: Grass Biology Annual ryegrass is upright, growing in clumps often reaching four feet tall. The flat leaf blades are shiny and about 1/8 to 1/4 inch […]
Weeds: Salsify (Goatsbeard) – Tragopogon spp. categories: Pr-Sc Weeds revision date: 2024-06-22 11:01 Salsify flowerPhoto by: R. Parker Family: Asteraceae (Compositae) Cycle: Biennial Plant type: Broadleaf Biology Salsify plants are somewhat grass-like in appearance, with slender, pointed leaves which may be as long as twelve inches. The juice is milky. Young plants are low-growing. More […]
Weeds: Scotch broom – Cytisus scoparius categories: Pr-Sc Weeds revision date: 2024-06-22 11:01 Scotch broom flowersPhoto by: T.W. Miller Family: Fabaceae (Leguminosae) Cycle: Perennial Plant type: Broadleaf Biology Scotch broom is an aggressive, woody shrub reaching up to ten feet in height. The slim, angular, green branches are typically upright. Many branches are leafless. When […]
