Limited range and restricted habitat, rare in most states in range, but fairly frequent and sometimes locally abundant in Illinois and Wisconsin.
Disturbance of soil by ATV and tanks
Fire suppression (WDNR 1999)
Insect herbivory (ILDNR 2002)
Shading by Black Locust (ILDNR 2002)
39 populations in 12 counties in IL
Maxwell and Givnish (1994) found that disturbance on small scales can benefit this species. In plots disturbed by soil preparation and herbiciding for subsequent planting of lupine, fameflower was found to occur in much higher densities within the plots than without.
At a site in Illinois, the presence of Talinum rugospermum increased after wildfire (Cochrane 1993).
Pavlovic has found that the adults are tolerant of fire, though seedlings are more vulnerable (1995). Plants have been observed to be killed by fire, presumable because the buds of next year's growth are at the soil surface (Pavlovic 1989).
(all above references from an article at (WIDNR 1999))
Research into the response of the species to soil compaction and timing and intensity of fire, and the proximity to soil disturbance of a seed source for colonization would be most valuable to generate further informed land management decisions concerning Talinum rugospermum. (WIDNR 1999)
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