- Hamlin Park is an 80-acre public park in Shoreline, Washington. The park includes a wooded area with trails, a softball/baseball field with bleachers, two playgrounds, and a picnic shelter. An orienteering course with waypoint markers is laid out within the park.
- Cytisus scoparius has been introduced into several other countries and continents, outside of its native range, and is commonly classified as a noxious invasive species in western North America, mainly in British Columbia (including on Vancouver Island), California, Oregon, Washington (west of the Cascades), the Sierra Nevada range, fragmented areas of North America’s eastern seaboard, as well as Australia (where it is a declared weed), New Zealand, and in India.