PENNER, A.; 						WAICKMAN, C.; 						YOON, E..
 The effect of prescribed fire and elevation on <em>Ribes missouriensis</em> and <em>Celtis occidentalis</em>.
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Available at: &lt;<a href="../../view/48.html" target="_new">https://ojs.grinnell.edu/index.php/tillers/article/view/48</a>&gt;. Date accessed: 12 oct. 2021.