Louis and the Missouri Botanical Garden, which are all within a few miles of the area.

For information, call the Missouri Botanical Garden at 314-577-5100.

The identification was done at the Missouri Botanical Garden.

Annals of the Missouri Botanical Garden 19(2/3): 179-348 + 350-366.

In 2010, he was appointed to his present position at the Missouri Botanical Garden.

In 1984 he joined the Missouri Botanical Garden.

Monographs in systematic botany from the Missouri Botanical Garden 22: 1-581.

Between 1990 and 2002 he was conservatory manager at the Missouri Botanical Garden.

Louis, the Missouri Botanical Garden, and various other locations.

With only a secondary school education, he became a student apprentice at the Missouri Botanical Garden.