As the fourth place of the field trip, I went to Marsh Park which was part of LA river. I could found eleven species: Black willow, Giant cane, Rough cocklebur, Smartweeds, Texas ash, mulberries, morning glory, coffeeberry, panic grasses, mustards and prostrate pigweed. Native plants were Balck willow, Rough cocklebur, Smartweeds, Panicgrasses, coffeeberry, and prostrate pigweed. Non-native plants were the Giant cane, Texas Ash, Mulberries, Morning glory, and mustards. Similar with Steelhead Park, Black willow had the most population compared to the others. Giant cane had more population secondly than other plants. This location had the least diversity compared to the different sites: JPL bridge, Lower Arroyo Park, and Steelhead Park.
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