 | Notes on new and noteworthy plants---II H N Moldenke (1947) Phytologia 2: 306-324 |
 | The known geographic distribution of the members of the Verbenaceae, Avicenniaceae, Stilbaceae, Symphoremaceae, and Eriocaulaceae. Supplement 5 H N Moldenke (1951) Phytologia 3: 448-468 |
 | Materials toward a monograph of the genus Verbena. XVIII H N Moldenke (1964) Phytologia 10: 89-161 |
 | Materials toward the monograph of the genus Verbena. XXII H N Moldenke (1964) Phytologia 10: 490-504 |
 | Materials toward a monograph of the genus Verbena. XXIX H N Moldenke (1965) Phytologia 11: 435-507 |
 | Additional notes on the genus Verbena. VI H N Moldenke (1968) Phytologia 16: 87-106 |
 | Additional notes on the genus Verbena. X H N Moldenke (1972) Phytologia 23: 181-196 |
 | Additional notes on the genus Verbena. XX H N Moldenke (1974) Phytologia 28: 195-221 |
 | Additional notes on the genus Verbena. XXIII H N Moldenke (1975) Phytologia 30: 129-180 |
 | A Fifth Summary of the Verbenaceae, Avicenniaceae, Stilbaceae, Dicrastylidaceae , Symphoremaceae, Nyctanthaceae, and Eriocaulaceae of the world as to valid taxa , geographic distribution, and synonomy. Supplement 7 H N Moldenke (1977) Phytologia 36: 28-48 |
 | Additional notes on the genus Verbena. XXV H N Moldenke (1977) Phytologia 36: 216-250 |