They also point out that a singly common name may apply to several taxa. They further allude to the need for international standardization of common names. No real familiarity with them can be acquired without the use of technical terms. No worthwhile list of them is possible without using scientific names. If you wish something painless and effortless, the pursuit of botany is not for you.
Nature gives away few secrets of the lazy, and none to the incompetent.
I personally have no problem with common names not being included and it should not be a problem for the professionals for which this work was primarily written. Lay people my wish to use common names when they first begin their pursuit of botany but most often quickly adopt scientific names once they understand the usefulness of them in terms of standardization of names and in elucidating taxonomic relationships. John Wurdack Festschrift . Especial No. 6. Dorr, L. J. and B. Stergios, eds.