wripar_8 - not adapted to not having plenty of water...

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Assignment # 8. Riparian Plants (10 points) Name: Darin Kleinsmith Pick two riparian plants, one that occurs along the river corridor and one that occurs in seeps or springs of the Grand Canyon and for which you can find the information to answer these questions. Subject Link Grand Canyon Plants http://www6.nau.edu/bio/bio300/GCplants.htm USDA Plants Database http://plants.usda.gov/ Invasive Species http://www.invasive.org/ 1. What are their common names and scientific names, to what families do they belong, and where are they found in the Canyon? Devil beggarticks Bidens frondosa L . Asteracae seeps broadleaf cattail Typha latifolia ( Typhaceae) river corridor 2. What characteristics does each of these species possess that requires it to live close to permanent water? The broadleaf has very large leaves and a deep root system which requires it to live in wet communities. Bidens frondosa is not fire resistant and doesn’t do well in drought situations because its
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Unformatted text preview: not adapted to not having plenty of water around. 3. What possible ways could these species have arrived at their respective sources of water in the past across the arid southwest? Both have persistent seed growth and seed banking which allows it to germinate and reproduce quickly. These characteristics have allowed these plants to be spread out across the region. 4. Provide urls to online photos of these species. http://www.fs.fed.us/database/feis/plants/graminoid/typlat/all.html#DISTRIBUTION%20AND %20OCCURRENCE http://www.missouriplants.com/Yellowopp/Bidens_frondosa_page.html 5. What source(s) did you use to obtain your information (find citation format on the Reference page. http://www.fs.fed.us/database/feis/plants/graminoid/typlat/all.html#DISTRIBUTION%20AND %20OCCURRENCE http://www.missouriplants.com/Yellowopp/Bidens_frondosa_page.html http://plants.usda.gov/java/charProfile?symbol=BIFR...
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This note was uploaded on 04/06/2008 for the course BIO 300 taught by Professor Frederikson during the Spring '08 term at N. Arizona.

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