Correspondence 1 indicates that Eriogonum polycladon Benth. will be recognized for California in The Jepson Manual [Ed. 2], for the following county: San Bernardino.
Correspondence 3 indicates that for The Jepson Manual [Ed. 2] Eriogonum polycladon Benth. will be treated as extirpated in CA, with the note "Introduced as roadside waif in 1930s, now extirpated.".