Sent to Dr.B.Briggs at the Univ. of California. 'I favor the use of the name - Senecio glomeratus Desf. ex Poir.....instead of Erechtites arguta (A.Rich) D.C......as they show no evidence of really close relationship with the Erechtites species native in America.'
B.Briggs in letter 20 June, 1963
B.Briggs, 20 June, 1963