California Invasive Plant Council

Acacia pycnantha

Common names: golden wattle

Acacia pycnantha (golden wattle) is a shrub (family Fabaceae) with golden yellow flowers and narrow leaves found in the San Francisco Bay area and coastal ranges of California. It is native to Southeastern Australia. It favors woodland habitats. It spreads via long-lived seeds, and is dispersed by ants, birds, wind, water and dumped garden waste.

Cal-IPC Rating: Watch

CDFA Rating: None?

Explanation of CDFA ratings

• A – A pest of known economic or environmental detriment and is either not known to be established in California or it is present in a limited distribution that allows for the possibility of eradication or successful containment.
• B – A pest of known economic or environmental detriment and, if present in California, it is of limited distribution.
• C – A pest of known economic or environmental detriment and, if present in California, it is usually widespread.
• D – An organism known to be of little or no economic or environmental detriment, to have an extremely low likelihood of weediness, or is known to be a parasite or predator.
• * – An asterisk next to the rating indicates that a plant is included in the CCR Section 4500 list of California State Noxious Weeds.

More details

Assessment(s)

Plant Risk Assessment - An evaluation of the potential for a plant to be invasive in California.

Weed Management Notes

Cal-IPC Newsletter Articles

• Planting right with PlantRight in 2020. Burger, Jutta. Vol 28, Issue 1

Cal-IPC Symposium Presentations

Presentations are linked where available. Where a presentation is not available, find more information by reading the abstract in the Cal-IPC Symposia Archive.

• The role of soil bacterial mutualisms in legume invasion in California. Klock, Metha; Harms, Kyle; Thrall, Peter; Barrett, Luke (2020)

Other Acacia pycnantha Information

• CalPhotos - Images of plants taken mostly in California.
• Calflora - Distribution map and records of this species in California.
• CalWeedMapper - Distribution map of this species in California with ability to determine regional priorities.
• EDDMapS - Distribution of this species in North America.
• Jepson Interchange - Information on this plant's taxonomy, biology, and distribution from UC Berkeley's Jepson Herbarium.
• USDA PLANTS Database - Information on identification and distribution, with links to websites in individual states.