| Scientific name | Authorship | Rank | Status | Images | |
|---|---|---|---|---|---|
| Piercia dryas | (Prout L. B., 1915) | species | Accepted | ||
| Piercia edwardsi | Fletcher D. S., 1958 | species | Accepted | ||
| Piercia emmeles | (Prout L. B., 1922) | species | Accepted | ||
| Piercia excisa | Herbulot, 1974 | species | Accepted | ||
| Piercia fumitacta | (Warren, 1903) | species | Accepted | ||
| Piercia hargreavesi | Prout L.B., 1935 | species | Accepted | ||
| Piercia jacksoni | Fletcher D. S., 1956 | species | Accepted | ||
| Piercia kennedyi | Fletcher D. S., 1958 | species | Accepted | ||
| Piercia kuehnei | Karisch, 2008 | species | Accepted | ||
| Piercia leptophyes | Prout L.B., 1935 | species | Accepted | ||
| Piercia lichenaria | Fletcher D. S., 1958 | species | Accepted | ||
| Piercia lichenocosmia | Krüger, 2005 | species | Accepted | ||
| Piercia lightfooti | (Prout L. B., 1925) | species | Accepted | ||
| Piercia lightfooti ceres | Prout L.B., 1935 | subspecies | Accepted | ||
| Piercia lightfooti lightfooti | (Prout L. B., 1925) | subspecies | Accepted | ||
| Piercia manengouba | Herbulot, 1974 | species | Accepted | ||
| Piercia myopteryx | Prout L. B., 1935 | species | Accepted | ||
| Piercia myopteryx altilis | Prout L.B., 1935 | subspecies | Accepted | ||
| Piercia myopteryx myopteryx | Prout L.B., 1935 | subspecies | Accepted | ||
| Piercia nimipunctata | Janse, 1933 | species | Accepted | ||
| Piercia occidentalis | Herbulot, 1954 | species | Accepted | ||
| Piercia olivata | Janse, 1933 | species | Accepted | ||
| Piercia pallidifascia | Karisch, 2008 | species | Accepted | ||
| Piercia perizomoides | (Prout L. B., 1916) | species | Accepted | ||
| Piercia petraria | Krüger, 2005 | species | Accepted |