Syst. Veg. 3: 374 (1826)
Each value Trefle shows for Cirsium undulatum, 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 | (Nutt.) Spreng. |
|
Sourced |
| Bibliography | Syst. Veg. 3: 374 (1826) |
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 | 1826 |
No source recorded
|
Source not recorded |
| Descriptive | |||
| Common name | Pasture thistle |
No source recorded
|
Source not recorded |
| Family common name | Aster family |
No source recorded
|
Source not recorded |
| Observations | W. & C. Canada to N. Mexico |
No source recorded
|
Source not recorded |
| Morphology | |||
| Average height | 42 cm |
|
Differs from sources |
| Growth habit | Forb/herb |
No source recorded
|
Source not recorded |
| Vegetable | false |
No source recorded
|
Source not recorded |
| Phenology | |||
| Duration | perennial |
|
Sourced |
| Usda legacy | |||
| C n ratio | empty |
|
Not on the record |