Difference between revisions of "Conyza canadensis"
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Common name: Canadian horseweed | Common name: Canadian horseweed | ||
==Taxonomic notes== | ==Taxonomic notes== | ||
| + | Synonyms: ''Erigeron canadensis'' Linnaeus; ''Conyza canadensis'' var. ''glabrata'' (A. Gray) Cronquist; ''C. canadensis'' var. ''pusilla'' (Nuttall) Cronquist; ''C. parva'' Cronquist; ''Erigeron canadensis'' var. ''pusillus'' (Nuttall) B. Boivin [http://efloras.org/florataxon.aspx?flora_id=1&taxon_id=200023708 The Flora of North America]. | ||
==Description== | ==Description== | ||
<!-- Basic life history facts such as annual/perrenial, monoecious/dioecious, root morphology, seed type, etc. --> | <!-- Basic life history facts such as annual/perrenial, monoecious/dioecious, root morphology, seed type, etc. --> | ||
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==Distribution== | ==Distribution== | ||
==Ecology== | ==Ecology== | ||
| − | ===Habitat=== <!--Natural communities, human disturbed habitats, topography, hydrology, soils, light, fire regime requirements for removal of competition, etc.--> | + | <!--===Habitat===--> <!--Natural communities, human disturbed habitats, topography, hydrology, soils, light, fire regime requirements for removal of competition, etc.--> |
| − | ===Phenology=== <!--Timing off flowering, fruiting, seed dispersal, and environmental triggers. Cite PanFlora website if appropriate: http://www.gilnelson.com/PanFlora/ --> | + | <!--===Phenology===--><!--Timing off flowering, fruiting, seed dispersal, and environmental triggers. Cite PanFlora website if appropriate: http://www.gilnelson.com/PanFlora/ --> |
| − | ===Seed dispersal=== | + | <!--===Seed dispersal===--> |
| − | ===Seed bank and germination=== | + | <!--===Seed bank and germination===--> |
| − | ===Fire ecology=== <!--Fire tolerance, fire dependence, adaptive fire responses--> | + | <!--===Fire ecology===--> <!--Fire tolerance, fire dependence, adaptive fire responses--> |
===Pollination=== | ===Pollination=== | ||
The following Hymenoptera families and species were observed visiting flowers of ''Conyza canadensis'' at Archbold Biological Station (Deyrup 2015): | The following Hymenoptera families and species were observed visiting flowers of ''Conyza canadensis'' at Archbold Biological Station (Deyrup 2015): | ||
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Vespidae: ''Pachodynerus erynnis, Parancistrocerus salcularis rufulus, Stenodynerus beameri, S. fundatiformis, S. histrionalis rufustus'' | Vespidae: ''Pachodynerus erynnis, Parancistrocerus salcularis rufulus, Stenodynerus beameri, S. fundatiformis, S. histrionalis rufustus'' | ||
| − | ===Use by animals=== <!--Herbivory, granivory, insect hosting, etc.--> | + | <!--===Use by animals===--> <!--Herbivory, granivory, insect hosting, etc.--> |
| − | ===Diseases and parasites=== | + | <!--===Diseases and parasites===--> |
==Conservation and Management== | ==Conservation and Management== | ||
==Cultivation and restoration== | ==Cultivation and restoration== | ||
Revision as of 15:05, 1 March 2016
| Conyza canadensis | |
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| Photo taken by Kevin Robertson | |
| Scientific classification | |
| Kingdom: | Plantae |
| Division: | Magnoliophyta - Flowering plants |
| Class: | Magnoliopsida - Dicotyledons |
| Order: | Asterales |
| Family: | Asteraceae ⁄ Compositae |
| Genus: | Conyza |
| Species: | C. canadensis |
| Binomial name | |
| Conyza canadensis (L.) Cronquist | |
| |
| Natural range of Conyza canadensis from USDA NRCS Plants Database. | |
Common name: Canadian horseweed
Contents
Taxonomic notes
Synonyms: Erigeron canadensis Linnaeus; Conyza canadensis var. glabrata (A. Gray) Cronquist; C. canadensis var. pusilla (Nuttall) Cronquist; C. parva Cronquist; Erigeron canadensis var. pusillus (Nuttall) B. Boivin The Flora of North America.
Description
A description of Conyza canadensis is provided in The Flora of North America.
Distribution
Ecology
Pollination
The following Hymenoptera families and species were observed visiting flowers of Conyza canadensis at Archbold Biological Station (Deyrup 2015):
Andrenidae: Andrena fulvipennis
Apidae: Epeolus carolinus
Halictidae: Sphecodes heraclei
Leucospididae: Leucospis affinis
Pompilidae: Episyron conterminus posterus
Sphecidae: Anacrabro ocellatus, Cerceris blakei, Ectemnius rufipes ais, Microbembex monodonta, Pluto rufibasis, Tachysphex apicalis, T. similis
Vespidae: Pachodynerus erynnis, Parancistrocerus salcularis rufulus, Stenodynerus beameri, S. fundatiformis, S. histrionalis rufustus
Conservation and Management
Cultivation and restoration
Photo Gallery
Conyza canadensis Photo by Kevin Robertson
Grady County, GA
References and notes
Deyrup, M.A. and N.D. 2015. Database of observations of Hymenoptera visitations to flowers of plants on Archbold Biological Station, Florida, USA.
