mesangiosperm http://id.loc.gov/authorities/subjects/sh85005034 http://purl.obolibrary.org/obo/NCBITaxon_1437183 https://en.wikipedia.org/wiki/Mesangiospermae https://www.wikidata.org/wiki/Q2710933 QK495 A group of flowering plants (angiosperms), informally called "mesangiosperms". They are one of two main clades of angiosperms. Mesangiospermae QK108-QK474.5 mesangiosperms magnoliophyte