Locality: Phoenix, Arizona, USA (33.450000, -112.072000)
Abstract: This checklist was created by searching the ASU Herbarium for plants growing within a 40 mile radius of central Phoenix. The region is divided into four quarters (Q 1-4, clockwise) bounded by north-south coursing freeways I-17 and I-10 and by east-west coursing freeways I-10 and Superstition Freeway (US 60). Additional sites refer to local flora studies:
- ASU = Arizona State University Main (Arboretum)
- BH = Buckeye1 Hills Semi-regional Park
- CC = Camp Creek area
- DBG = Desert Botanical Garden, Phoenix
- FARM = South Mountain Farm, Phoenix
- HAS = Hassayampa River Preserve
- LP = Lake Pleasant Regional Park
- MDM = McDowell Mountains Regional Park
- PAP = Papago Park, Phoenix (exclusive of Desert Botanical Garden)
- SERP = Sierra Estrella Mountains Regional Park
- SOMT = South Mountain Park
- STM = San Tan Mountain Semi-regional Park
- SUPM = Superstition Mountains Wilderness Area
- TRP = Thunderbird Semi-regional Park
- UM = Usery Mountains Semi Regional Park
- WTM = White Tank Mountains Regional Park