Acalypha australis
- Illustration, systematic position, morphology, biology, distribution, ecology and economic significance of Southern Acalypha.
- http://www.agroatlas.spb.ru/weeds/Acalypha_australis_en.htm

Acalypha virginica
- Virginia threeseed mercury.
- http://plants.usda.gov/java/profile?symbol=ACVI

Acalypha virginica (Virginia Copperleaf)
- Includes images and description.
- http://www.ppws.vt.edu/scott/weed_id/accvi.htm

Acalypha repens
- Offers general information, classification and historical data.
- http://florawww.eeb.uconn.edu/acc_num/199400179.html

Acalypha hispida
- Offers general information, classification and historical data.
- http://florawww.eeb.uconn.edu/acc_num/198500271.html