Anagrammatic poetry is poetry with the constrained form that either each line or each verse is an anagram of all other lines or verses in the poem.
A poet that specializes in anagrams is an anagrammarian.
Writing anagrammatic poetry is a form of a constrained writing similar to writing pangrams or long alliterations.
Archive of Literary Anagrams: Hundreds of long anagrams of poetic and literary subjects by over 50 contributors, including the longest literary anagram ever created.
Eight Poems in the Manner of OuLiPo, by Kevin McFadden, http://www.archipelago.org/vol6-1/mcfadden.htm
Oh Damn! Must I Refrigerate?: Anagrammatic poem by Cory Calhoun of the title and first eight lines of Shakespeare's sonnet "The Marriage of True Minds."
Dianagrams, Monica Lewinsky
Rishi Talks to Katie: a dialogue between two high school students: a text's sentences are rearranged, then its words, then its letters
In the French poem Ulcérations by Georges Perec, every line is an anagram of the title.
The book Permutation City opens with an anagramatic poem.
In the poem Washington Crossing the Delaware by David Shulman (1936), all 14 lines are anagrams of the title.
In the online book, ISOTOPES2
Anagrammatic poem Wikipedia