United States National Museum of Natural History at Beltsville, Maryland, USA.

 

USA — CALIFORNIA: Pritchard & Baker (1952);

 

LAURACEAE: Umbellularia californica (Hook. & Arn.) Nutt. — Pritchard & Baker (1952);

 

Catalog: Baker & Suigong (1988); Mahdavi et al. (2019a); Mesa et al. (2009); Sepasgosarian (1983);

Redescription: Baker & Pritchard (1953b); Castro et al. (2016a); Castro et al. (2016b); Collyer (1973c); Meyer (1979); Mitrofanov & Strunkova (1979); Pritchard & Baker (1958);