| SNo. | Scientific Name | Locality | Habitat | Basis of Record | Description | Recorded By | Record Number | Island | Source | Date |
|---|---|---|---|---|---|---|---|---|---|---|
| 1 | Porophyllum ruderale var. macrocephalum | Kawaihau District. Wailua. Along roadcut of ridge near intersection of Puapilo and Olohena roads. | Ruderal/secondary vegetation. | Preserved_Specimen | Herb to 12 inches with very strong odor similar to marigolds. Locally naturalized. | Nishek, B. | Kauai | BISH | 2000-11-22 | |
| 2 | Porophyllum ruderale var. macrocephalum | Kona, Kealakehe. | Along gravel road above and SE of Kealakehe High School. | Preserved_Specimen | Herb with purple foliage, occasional. | Whistler, W.A. | Hawaii | BISH | 2013-08-06 |