Invasive Species ID Card - To support field identification of early detection species, Cal-IPC has designed a set of Species ID cards that can be downloaded, printed double-sided, and trimmed to size. Plant Assessment Form - Information gathered by Cal-IPC on the impacts, rate of spread, and distribution of invasive plants in California. -* – This plant is included in the CCR Section 4500 list of California State Noxious Weeds, but is otherwise not rated.* – An asterisk next to the rating indicates that a plant is included in the CCR Section 4500 list of California State Noxious Weeds.Q – An organism or disorder suspected to be of economic or environmental detriment, but whose status is uncertain because of incomplete identification or inadequate information.D – An organism known to be of little or no economic or environmental detriment, to have an extremely low likelihood of weediness, or is known to be a parasite or predator.C – A pest of known economic or environmental detriment and, if present in California, it is usually widespread.B – A pest of known economic or environmental detriment and, if present in California, it is of limited distribution.A – A pest of known economic or environmental detriment and is either not known to be established in California or it is present in a limited distribution that allows for the possibility of eradication or successful containment.Watch – These species have been assessed as posing a high risk of becoming invasive in the future in California.Alert – An Alert is listed on species with High or Moderate impacts that have limited distribution in California, but may have the potential to spread much further. ![]() Ecological amplitude and distribution are generally limited, but these species may be locally persistent and problematic. Their reproductive biology and other attributes result in low to moderate rates of invasiveness. Limited – These species are invasive but their ecological impacts are minor on a statewide level or there was not enough information to justify a higher score.Ecological amplitude and distribution may range from limited to widespread. Their reproductive biology and other attributes are conducive to moderate to high rates of dispersal, though establishment is generally dependent upon ecological disturbance. Moderate – These species have substantial and apparent-but generally not severe-ecological impacts on physical processes, plant and animal communities, and vegetation structure.Most are widely distributed ecologically. Their reproductive biology and other attributes are conducive to moderate to high rates of dispersal and establishment. High – These species have severe ecological impacts on physical processes, plant and animal communities, and vegetation structure.To learn more about how and for what purposes Amazon uses personal information (such as Amazon Store order history), please visit our Privacy Notice. You can change your choices at any time by visiting Cookie Preferences, as described in the Cookie Notice. ![]() Click ‘Customise Cookies’ to decline these cookies, make more detailed choices, or learn more. Third parties use cookies for their purposes of displaying and measuring personalised ads, generating audience insights, and developing and improving products. This includes using first- and third-party cookies, which store or access standard device information such as a unique identifier. If you agree, we’ll also use cookies to complement your shopping experience across the Amazon stores as described in our Cookie Notice. ![]() We also use these cookies to understand how customers use our services (for example, by measuring site visits) so we can make improvements. We use cookies and similar tools that are necessary to enable you to make purchases, to enhance your shopping experiences and to provide our services, as detailed in our Cookie Notice.
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