The "voice and ideals" of veteran campaigner Margo MacDonald will continue to be spread during the referendum debate in a movement led by her friends and family.

Ms MacDonald - known throughout Scotland simply as Margo - had been suffering from Parkinson's disease and died on April 4 aged 70.

She most recently served as an independent MSP after leaving the SNP, but remained a strong supporter of independence and was described as "the brightest light in the Scottish political sky" at a memorial service after her death.

Her husband and fellow campaigner Jim Sillars has now launched the Margo Mobile campaign which aims to tour housing estates and working communities across Scotland, as a testimony to Ms MacDonald's political legacy and to make the case for independence "in a way Margo would have relished".

Ms MacDonald is said to have spent her final days talking Nationalist strategy with her husband and with the First Minister, who spent long periods by her bedside.

An online fundraising drive has opened to support a "campaign vehicle" and minibus which will transport a team of activists across the country from the beginning of August until polling day.

Leaflets and other campaign material will feature insight and comments from Ms MacDonald.

Mr Sillars said: "Some of Margo's admirers have already contributed to the project, but I urge all those who supported Margo, were inspired by her and wish to secure her legacy by ensuring a Yes vote, to make a financial contribution to the Margo Mobile.

"The recent Electoral Commission release on referendum finance makes stark reading, 'Better Together' has received over £2.4 million compared with under £1.2 million for Yes Scotland.

"This project will allow ordinary voters to redress the balance, by contributing whatever they can manage."

Ms MacDonald was the ''blonde bombshell'' who scored a shock SNP victory in Govan in 1973 and was an SNP MSP in the first Scottish Parliament in 1999.

Following a dispute with the party she won three landmark election victories as an independent, beloved in the Lothians for her support for many causes, including calls for assisted suicide to be legalised.

Speaking at a celebration of her life in April, her husband Mr Sillars, said: ''She gave me instructions to keep campaigning, and discussed with me her concern for Scotland's people after the referendum result.

''She knew only too well that this nation is divided on the issue of independence.

''It was typical of Margo that she knew she was not going to be here to be concerned about this nation after the referendum to still be concerned in the last weeks of her life.

''At 10.01pm on September 18, whatever the result, she wanted those divisions to end and this nation to seek a unity of purpose."