Dicot family and Magnoliid dicot family

Dicot family noun - Family of flowering plants having two cotyledons (embryonic leaves) in the seed which usually appear at germination.

Magnoliid dicot family and dicot family are semantically related. In some cases you can replace phrase "Magnoliid dicot family" with "Dicot family", this phrases are similar.

Magnoliid dicot family noun - Family of dicotyledonous flowering plants regarded as among the most primitive of extant angiosperms.

Dicot family and magnoliid dicot family are semantically related. You can use "Dicot family" instead a noun phrase "Magnoliid dicot family".