Seed Identification Guide Seed Identification Guide (SIG)® is a virtual publication of reference information on plant taxonomy, morphological features of plant dispersal units, identification fact sheets, identification keys, image galleries, and common botany terminologies. The plant species included in the guide have resulted from ISMA and the author’s projects. The publication is open to any…
Federal Noxious Weed Disseminules of the U.S. Fruits and seeds are the plant disseminules most responsible for the spread of weeds to new regions. These disseminules are frequently intercepted at U.S. ports of entry by quarantine officials, commonly as contaminants in commercial seed stocks, spices, foodstuffs, on trucks and containers, and in baggage. This tool,…
Fruit and Seed Family ID Identify fruits and seeds to family Fruits and seeds form the bulk of agricultural commerce and are common contaminants in commodities. If introduced, non-native species may naturalize, leading to devastating consequences for crops and wildlands, so correct identification of fruits and seeds is essential to safe trade. Fruit and Seed Family…
Seeds of invasive plants IntroductionThis key is an identification tool for seeds of invasive plants. The choice of species was based on an extensive survey of seeds and seed mixtures in trade, where the seeds of these invasive species were found as contamination. A total of 143 species is included. All features are illustrated with…