[2] In 2017, Lyndon stood as a candidate in Denby Ward at a by-election for Whangarei District Council.

[4] In 2021, Lyndon was made CEO of the Ngātiwai Trust Board.

She was formerly chief executive of the Ngāti Hine Forestry Trust.

[1] In 2023, Lyndon was made a Green candidate for the 2023 New Zealand general election.

[8] In late November 2023, Lyndon assumed the Green Party's health, Whānau Ora, Māori Development and forestry spokesperson portfolios.