spotted knapweed
Centaurea stoebe ssp. micranthos (Gugler) Hayek
|
|
| Taxonomic Rank: Magnoliopsida > Asterales > Asteraceae > Centaurea |
| Taxonomic Synonym(s): Centaurea biebersteinii (Gugler) Hayek Centaurea maculosa auct. non Lam. |
| Category: Plants: Forbs/Herbs |
122 Records | View Images as Host | View Thumbnails |
| Image | Descriptor | Description |
|---|---|---|
| 0021034 | Flower(s) | |
| 0021035 | Stand | Field 20 miles east of Missoula |
| 0021036 | Stand | Field 20 miles east of Missoula |
| 0021037 | Stand | Field 20 miles east of Missoula |
| 0021038 | Stand | Field 20 miles east of Missoula |
| 0886049 | Plant(s) | |
| 1148104 | Flower(s) | |
| 1196011 | Seedling(s) | |
| 1196014 | Flower(s) | |
| 1196028 | Plant(s) | Herbarium specimen |
| 1196030 | Flower(s) | |
| 1196144 | Flower(s) | |
| 1196225 | Plant(s) | |
| 1196231 | Flower(s) | |
| 1196233 | Plant(s) | in flower |
| 1196234 | Plant(s) | |
| 1350045 | Infestation | in Northern Idaho |
| 1350046 | Plant(s) | rosette |
| 1350047 | Plant(s) | |
| 1350048 | Flower(s) | seedhead |
| 1350068 | Plant(s) | |
| 1350069 | Infestation | suitable for a biocontrol program |
| 1350073 | Biological Control | releasing bioagents |
| 1459266 | Feature(s) | |
| 1459267 | Plant(s) | Rosette |
| 1459268 | Infestation | |
| 1459269 | Plant(s) | |
| 1459270 | Plant(s) | |
| 1459271 | Management | Hand-pulled knapweed |
| 1459272 | Plant(s) | |
| 1459273 | Infestation | |
| 1459274 | Flower(s) | |
| 1459916 | Flower(s) | |
| 1539018 | Plant(s) | |
| 1539019 | Plant(s) | |
| 1539020 | Flower(s) | |
| 1539021 | Flower(s) | |
| 1551078 | Fruit(s) | |
| 1553210 | Seedling(s) | |
| 1553211 | Foliage | |
| 1553212 | Foliage | basal rosette |
| 1553213 | Flower(s) | |
| 1553214 | Feature(s) | seed head |
| 1553215 | Seedling(s) | |
| 1553216 | Fruit(s) | |
| 1557001 | Flower(s) | |
| 1557002 | Plant(s) | in flower |
| 1557003 | Flower(s) | |
| 1557004 | Plant(s) | |
| 1557005 | Plant(s) | |
| 1557006 | Seedling(s) | |
| 1557007 | Seedling(s) | |
| 1557008 | Seedling(s) | |
| 1557009 | Plant(s) | After most seeds have been dispersed. |
| 1557010 | Plant(s) | in flower |
| 1557011 | Foliage | |
| 1557012 | Foliage | |
| 1557013 | Foliage | |
| 1557014 | Foliage | basal leaves |
| 1557015 | Foliage | pubescence on the underside of young leaf. |
| 1557016 | Fruit(s) | |
| 1557017 | Foliage | basal rosette |
| 1557018 | Seedling(s) | |
| 1557019 | Seedling(s) | |
| 1557020 | Seedling(s) | |
| 1557021 | Seedling(s) | cotyledons |
| 1561074 | Plant(s) | photo taken on 21 July 1993 |
| 1624010 | Infestation | Native to Eurasia, is a serious problem on rangelands in the western United States. It is a particular threat to pristine natural areas such as the Grand Teton National Park. |
| 2153081 | Foliage | |
| 2153082 | Foliage | |
| 2153083 | Feature(s) | Roots |
| 2153084 | Flower(s) | |
| 2153085 | Flower(s) | |
| 2153086 | Feature(s) | Unopened flower showing spots on bracts |
| 2153087 | Flower(s) | |
| 2153088 | Flower(s) | |
| 2153089 | Flower(s) | |
| 2153090 | Flower(s) | |
| 2153091 | Flower(s) | |
| 2308109 | Infestation | |
| 5229080 | Plant(s) | |
| 5229081 | Flower(s) | |
| 5229083 | Flower(s) | |
| 5271007 | Infestation | |
| 5271008 | Seed(s) | seed head |
| 5271009 | Flower(s) | Top of inflorescence |
| 5271010 | Plant(s) | |
| 5271011 | Infestation | |
| 5271012 | Flower(s) | Involucral bracts |
| 5306092 | Fruit(s) | |
| 5306094 | Diagram or Graphic | Britton, N.L., and A. Brown. 1913. Illustrated flora of the northern states and Canada. Vol. 3: 558. |
| 5351100 | Flower(s) | |
| 5352001 | Flower(s) | |
| 5352002 | Flower(s) | |
| 5352003 | Flower(s) | |
| 5352004 | Flower(s) | |
| 5352005 | Flower(s) | |
| 5352006 | Plant(s) | in flower |
| 5352007 | Infestation | |
| 5352008 | Flower(s) | |
| 5358637 | Plant(s) | Spotted knapweed plant, Centaurea stoebe ssp. micranthos (Centaurea maculosa), in bloom. |
| 5358638 | Plant(s) | Rosette of spotted knapweed, Centaurea stoebe ssp. micranthos (Centaurea maculosa), beginning to bolt. |
| 5358639 | Plant(s) | Spotted knapweed plant, Centaurea stoebe ssp. micranthos (Centaurea maculosa), just beginning to bolt. |
| 5358640 | Feature(s) | Close-up view of the flower heads of a spotted knapweed plant, Centaurea stoebe ssp. micranthos (Centaurea maculosa), showing the characteristic blackish spots on the bracts. |
| 5358641 | Seedling(s) | Seedling spotted knapweed plant, Centaurea stoebe ssp. micranthos (Centaurea maculosa). |
| 5358645 | Infestation | Landscape view of extensive infestations of spotted knapweed, Centaurea stoebe ssp. micranthos (Centaurea maculosa), in bloom. |
| 5360184 | Plant(s) | |
| 5374334 | Plant(s) | in flower |
| 5374335 | Flower(s) | |
| 5374336 | Flower(s) | white flower head |
| 5374337 | Feature(s) | stem and leaves |
| 5374338 | Foliage | rosette |
| 5374339 | Seedling(s) | |
| 5379604 | Plant(s) | in flower in June |
| 5391592 | Fruit(s) | |
| 5391593 | Fruit(s) | |
| 5392027 | Flower(s) | Flower |
| 5392028 | Plant(s) | Big plant |
| 5392029 | Infestation | |
| 5392030 | Infestation | Bigger plant |
| 5392031 | Flower(s) | Flower |
| 5392032 | Plant(s) | Young plant |
