A community grieving the devastating loss of Pheobe Bishop have organised a fundraiser in her memory as her heartbroken mum makes a symbolic gesture.

Queensland Police discovered what was believed to be the missing 17-year-old's remains in sprawling Good Night Scrub National Park at 2.30pm on Friday, ending the three-week search.

Following the heartbreaking news, family friend Tracey Berends started a GoFundMe on Saturday in loving memory of Pheobe.

'After speaking with Pheobe’s family, we have decided to honour her memory in a way that reflects the compassion and light she brought into the lives of so many,' Ms Berends wrote.

'Pheobe had a gentle soul and a generous spirit - always caring for others and standing up for what was right.