Friday, March 24, 2006

Rapistrum habitat

So here's some habitat for Rapistrum rugosum. Ray likes it best when there's not much competition. Here is a couple of city blocks of Ray habitat. It's long but not very wide and, a narrow swath as it were, between the street and a new development that has been pre-landscaped. Not sure why all this bare ground was left to Ray, and Malta star thistle Centaurea melitensis, one of Ray's competitors in these habitats. If ye scrape the ground in these parts, chances are, Ray will pop up. But he won't persist, generally, when faced with lotsa competition. Ray is not seriously invasive, just opportunistic in recently scraped or plowed habitats.

This is why Ray is not on the CB serious invasive species list.

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