Liberalism and radicalism in Romania

This article gives an overview of liberalism and radicalism in Romania. It is limited to liberal parties with substantial support, mainly proved by having had a representation in parliament. The sign ⇒ denotes another party in this scheme. For inclusion in this scheme it is not necessary for a party to have actually labeled itself as a liberal party.
Background.
Liberalism has been one of the major forces in Romania, mainly organized in the center-right National Liberal Party. As of May 2020 the National Liberal Party is Head of the guverment with elected members in both houses of the Romanian Parliament, and in the European Parliament. At the European Parliament level, is a member of European People's Party.
The National Liberal Party has historically had many spin-offs and mergers with other center-right parties. Alliance of Liberals and Democrats is such a spin-off that is currently a member of the coalition government.