Ailanthus altissima
- Information on the Tree of Heaven. Click thumbnails to enlarge photographs of form, foliage, flowers, fruits and bark.
- http://www.hort.uconn.edu/plants/a/ailalt/ailalt1.html

Plant Profile for Ailanthus altissima
- Images, taxonomy, US range maps, and links.
- http://plants.usda.gov/java/profile?symbol=AIAL

Ailanthus altissima, Tree-of-heaven
- North Carolina State University fact sheet, photograph by Alice B. Russell. References A Tree Grows in Brooklyn.
- http://www.ces.ncsu.edu/depts/hort/consumer/factsheets/trees/images/AilanAl1.htm

Ailanthus altissima (Tree-of-heaven)
- Brief description, photograph of large specimen in Iowa.
- http://project.bio.iastate.edu/trees/campustrees/Ailanthus_text.html

Tree-of-heaven, Ailanthus altissima (Simaroubaceae)
- Brief description, several detailed photographs.
- http://www.forestry.auburn.edu/samuelson/dendrology/simaroubaceae_pg/tree_of_heaven.htm

Ailanthus altissima (Tree of Heaven)
- Brief description and references, map showing the progressive distribution of the species in Massachusetts from 1860 to 1978.
- http://omega.cc.umb.edu/~conne/jennjim/ailanthus.html

Tree-of-Heaven (Ailanthus altissima)
- Description of the plant, its distribution and the problems it causes, plus detailed information on management techniques. From the Plant Conservation Alliance.
- http://www.nps.gov/plants/alien/fact/aial1.htm

Ailanthus altissima (Tree-of-Heaven)
- Stewardship document provides history of the plants' migration from China to the Americas, associated ecological problems, management tactics, extensive bibliography and several detailed photographs. From The Nature Conservancy.
- http://tncweeds.ucdavis.edu/esadocs/ailaalti.html