Weeds of commercial crops in Colima, Mexico

Weeds are plants adapted to habitats modified by people and that often interfere with different human activities. These constitute an economically ecologically relevant group because of their implications for agriculture. Because the agrestal weeds state Colima, Mexico have been poorly documented, we surveyed these in commercial agricultural fields plantations state, from February 2015 through May 2019. We 25 sites, each about 1 ha, dedicated cash-crops (blueberry, blackberry, coffee, maize, onion, jalapeño pepper, papaya, Mexican lime, sugarcane). found 222 weedy species (43 eudicots, 6 monocots, 2 magnoliids, fern, liverwort), belonging 53 families. The most species-rich families were Poaceae (29 species) Asteraceae (25). A high percent weed flora was native (84.2%) 15.8% alien. common Euphorbia hirta Heliotropium procumbens . 21 endemic Manihot chlorosticta near threatened (NT) risk category IUCN. Also, crop tends a distinctive community, which general appears be determined bioclimatic factors, principally temperature precipitation.