| Materials towards a monograph of the genus Citharexylum I H N Moldenke (1958) Phytologia 6: 242-256 | |
| Materials towards a monograph of the Citharexylum II H N Moldenke (1958) Phytologia 6: 262-320 | |
| Materials toward a monograph of the genus Citharexylum. V H N Moldenke (1959) Phytologia 6: 448-505 | |
| Materials towards a monograph of the genus Citharexylum VI H N #moldenke (1959) Phytologia 7: 7-48 | |
| Additional notes on the genus Citharexylum. XII H N Moldenke (1978) Phytologia 40: 486-492 |