Delprete, P. G., & Persson, C. (2011). Octavia sessiliflora DC. and Mussaenda glomerulata Lam. Ex Poir., two obscure taxa from French Guiana synonymous with members of the Alibertia group (Rubiaceae, Gardenieae). Adansonia, 34(2), 353-363. (Link)
Unintended disagreements occur when a parent (B) is
thinned by swapping a child (E) to another part of the
taxonomic tree, resulting in existing IDs of the parent being interpreted
as disagreements with existing IDs of the swapped child.
Identification
ID 2 of taxon E will be an unintended disagreement with ID 1 of taxon B after the taxon swap
If thinning a parent results in more than 10 unintended disagreements, you
should split the parent after swapping the child to replace existing IDs
of the parent (B) with IDs that don't disagree.