26.
Distribution of Illinois Vascular Plants
by Mohlenbrock, Robert H., Lad...
ISBN: 9780809308484
List Price: $29.50
27.
A Flora of Southern Illinois (Arcturus Books, Ab120)
by Robert H. Mohlenbrock
ISBN: 9780809306626
List Price: $22.95
29.
MACMILLAN FIELD GUIDE WILDFLOWERS (Macmillan Field Guides)
by Mohlenbrock, Robert H.
ISBN: 9780025854406
List Price: $23.99
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Flowering Plants Flowering Rush to Rushes
by Mohlenbrock, Robert H.
ISBN: 9780809326877
List Price: $65.00
32.
34.
Guide to the Vascular Flora of Illinois
by Mohlenbrock, Robert H.
ISBN: 9780809312733
List Price: $37.00
35.
A Flora of Southern Illinois
by Mohlenbrock, Robert H., Voi...
ISBN: 9780809300266
List Price: $20.00
37.
Diatoms (Illustrated Flora of Illinois)
by Dodd, John J., Mohlenbrock,...
ISBN: 9780809311545
List Price: $41.95
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Flowering Plants: Asteraceae, Part 1 : Asteraceae, Part 1
by Mohlenbrock, Robert H.
ISBN: 9780809333677
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Field Guide to U. S. National Forests: Region by Region, State by State - Robert H. Mohlenbr...
by Mohlenbrock, Robert H.
ISBN: 9780312922061
List Price: $11.95
47.
Where Have All the Wildflowers Gone?
by Mohlenbrock, Robert H.
ISBN: 9780025854505
List Price: $15.34
50.