<div class="description">
<p>Bibliography: p. 56-57
</p>
<br>Subjects: Oenothera; Plants -- Variation; Hybridization, Vegetable</div>
<div class="fn value">
<dl><dd>MacDougal, Daniel Trembly, 1865-1958</dd>
<dd>Vail, Anna Murray</dd>
<dd>Shull, George Harrison, 1874-1954</dd>
<dd>Small, John Kunkel, 1869-1938</dd></dl></div>
Internet Archive identifier