Rhodora 59: 131 (1957)
Each value Trefle shows for Helenium amarum, with what every source says about it. When sources disagree, the strongest source is shown (how sources are ranked). Values imported before sources were recorded one by one are marked Source not recorded.
Something wrong? Suggest a correction.
| Field | Shown | What the sources say | |
|---|---|---|---|
| Core | |||
| Author | (Raf.) H.Rock |
No source recorded
|
Source not recorded |
| Bibliography | Rhodora 59: 131 (1957) |
No source recorded
|
Source not recorded |
| Phylum | Tracheophyta |
No source recorded
|
Source not recorded |
| Rank | species |
No source recorded
|
Source not recorded |
| Status | accepted |
No source recorded
|
Source not recorded |
| Year | 1957 |
No source recorded
|
Source not recorded |
| Descriptive | |||
| Family common name | Aster family |
No source recorded
|
Source not recorded |
| Observations | C. & S. U.S.A. to NE. Mexico, Caribbean |
No source recorded
|
Source not recorded |
| Morphology | |||
| Fruit color | empty |
|
Not on the record |
| Fruit shape | empty |
|
Not on the record |
| Growth habit | Forb/herb |
No source recorded
|
Source not recorded |
| Maximum height | empty |
|
Not on the record |
| Vegetable | false |
No source recorded
|
Source not recorded |
| Phenology | |||
| Duration | annual |
|
Sourced |