a recent study in the jec ecological journal -- mclaren and golden gate park represent ample opportunitieshelp tackle the biodiversity crisis that you're hearing about so much. the study is titled nonnative plants reduce richness and host lepidoptris plants. nonnative plants supported significantly fewer caterpillars of significantly fewer specialists of general species, even when nonnative were close relatives of the native host species. i realize these parks were alter altered before your time here, but now you have the opportunity to fix the damage a long time. new york city's local laws of 10 and 11 of 2013, laws, not a resolution. they actually have teeth to them, "represent an evolving approach to protect our native plants by focusing on biodiversity rather than individual plant species and reflects an increased understanding of plant conservation. seen through this lens, the protection of native plants is linked with the protection of sustainability of ecosystems." it's time for san francisco rec and parks to get real about the effects such unnecessary plantings are having on our lo