globethistleEchinops sp. L.
- Occurrence in Alberta – Yes
- Global Invasive Species Database – no mention
- NatureServe Rank – no mention
- Haber, Upland –
- Haber, Wetland –
- CWF, Status & Invasive Range – no mention
- Alberta Revegetation Guidelines – no mention
- The Nature Conservancy –
- CBCN –
- AB Weed – No
Found along a railway in Calgary at the edge of the ballast, 2010.
The USDA Plants Database indicates that the following species of this genus occur in North America:
Echinops ritro L., southern globethistle in Montana, Idaho, and Washington.  Cultivars of this species are commonly sold as ornamentals.
Echinops bannaticus Rochel ex Schrad., no common name or distribution given.  Not mentioned in Flora of North America. Includes cultivars "Blue Glow" and "Star Frost".
Echinops exaltatus Schrad., tall globethistle, Washington, Ontario, Quebec, New Brunswick. 
Echinops sphaerocephalus L., great globethistle, US west coast, NE States, Colorado, Wyoming, Southern Canada except for Alberta, BC, PEI, Newfoundland and Labrador. 
Key to the genus, in eFlora.org Flora of North America: 
Map references(to copy and paste into Google Maps search)
51.00509,-114.00197 E. sphaerocephalus
51.03034, -114.05491 E. sphaerocephalus