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May 23, 2014: Update to Plant S-Ranks

The Botanical Assessment Working Group has recently reassessed the ranks of seven species. A summary of the reassessments can be found below. This brings the total number of taxa reassessed by BAWG to 28. In addition, BAWG has considered the tracking status of seven other species and has made changes to those tracking statuses in advance of formal rank reassessments. Reassessments for these species will be conducted in the fall.

Please note that every effort has been made to ensure that this list is accurate; however, the lists provided on our lists page are the final authority for this type of information.

For more information on the ranking process, please see our ranking page. If you have a plant taxon that you believe should be a priority for a rank reassessment, please contact the SKCDC botanist.

 

Taxa with S-ranks Recently Reassessed or Tracking Statuses Changed

Scientific Name Common Name New (or current) S-rank Old S-rank Notes
Corispermum americanum var. americanum American Bugseed S3? S1 Remains on the tracking list; previous assessment was based on incomplete information
Corispermum hookeri var. hookeri Hooker’s Bugseed S1 SNR Newly added to the tracking list
Corispermum ochotense var. ochotense Russian Bugseed S1 SNR Newly added to the tracking list
Corispermum pallasii Pallas’ Bugseed S2 SNR Newly added to the tracking list
Corispermum villosum Hairy Bugseed S2 SNR Newly added to the tracking list
Festuca campestris Prairie Fescue S1 n/a New taxon for the province, added to the tracking list
Packera plattensis Prairie Ragwort S1 S3S4 All but one herbarium specimen were revised to P. paupercula, so this species is more rare than previously thought. Remains on the tracking list.
Chenopodium atrovirens Dark-green Goosefoot SNR Newly added to the tracking list; rank not yet assessed
Lilium philadelphicum var. andinum Western Red Lily S3S4 Removed from the tracking list; rank not yet reassessed
Lupinus pusillus ssp. pusillus Small Lupine S3 Removed from the tracking list; rank not yet reassessed
Osmorhiza depauperata Blunt-fruited Sweet-cicely S3S4 Removed from the tracking list; rank not yet reassessed
Polygala senega Seneca Snakeroot S3S4 Removed from the tracking list; rank not yet reassessed
Sisyrinchium mucronatum Mucronate Blue-eyed-grass S3S4 Newly added to the tracking list; rank not yet reassessed
Symphyotrichum ascendens Western Aster S3S4 Newly added to the tracking list; rank not yet reassessed

 

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