Portrait of Ray Jansen (IMAGE) University of Queensland Caption Portrait of Central Queensland farmer and skilled amateur botanist Ray Jansen, who discovered the critically endangered Macadamia jansenii species in 1983. Mr Jansen died before the species formally described as a new species in 1991. The artist is unknown. Credit Ray Jansen portrait painting_artist unkown_Photo Ian McConachie Usage Restrictions None License Licensed content Disclaimer: AAAS and EurekAlert! are not responsible for the accuracy of news releases posted to EurekAlert! by contributing institutions or for the use of any information through the EurekAlert system.