Meyer, E.H.F. 1854 . Geschichte der Botanik. Band. III. [History of Botany. Vol. III.] Velag der Gebrüder Bornträger Konigsberg xvi + 554 pp.
Notes: Description of Coccus radicis Meyer, 1856, which is a junior synonym of Porphyrophora hameli Brandt, 1833. Annotation provided by Yair Ben-Dov.