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Betty, Lizard Head, and
Senecio inexpectatus (Prickly Ragwort, Unexpected Ragwort) Asteraceae (Sunflower Family) Subalpine, alpine.
Scree, shale, openings. Summer, fall. |
Senecio inexpectatus. Synonym: Senecio fremontii variety inexpectatus. (Prickly Ragwort, Unexpected Ragwort) Asteraceae (Sunflower Family) Subalpine, alpine.
Scree, shale, openings. Summer fall. Senecio inexpectatus is known from only two locations, the original ("type") location in the La Sal Mountains near Moab, Utah where it was discovered by Cronquist and Holmgren in 1961 and about 80 miles southeast of the type locale in the far western San Juan mountains of Colorado where my wife and I discovered it in the early 2000s. As the map below shows, the plants found in the La Sal Mountains occur in both Grand and San Juan counties. The peaks that Senecio inexpectatus is found on straddle the border of these two counties. For a number of years after we discovered this taxon, it was considered a variety of Senecio fremontii, but in 2019 Guy Nesom and I re-examined the taxon and felt that it deserved species status. Guy did the research and compiled this description which gave species status to this taxon. Guy's work also gave species status to the common taxon of Colorado, now named Senecio blitoides, and to Senecio fremontii, the range of which is through California, Oregon, Washington, Idaho, Montana, Wyoming, and some of Utah. |
Range map © John Kartesz,
County Color Key
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Range map for Senecio inexpectatus |