http://www.loc.gov/mods/v3 http://www.loc.gov/standards/mods/v3/mods-3-2.xsd
v. 3. Leptotrombidium complex.--Section A. Leptotrombidium s.str.--Section B. Trombiculindus, Hypotrombidium & Ericotrombidium, plus heterogenera.
by P. H. Vercammen-Grandjean & Robert Langston.