Ladd, Douglas M. | Specimens by Collector | Eastern Illinois University

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Ladd, Douglas M.

Douglas Ladd is the Director of Conservation Science for The Nature Conservancy in Missouri.

M.S., Southern Illinois University-Carbondale

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Viola pubescens var. eriocarpa

Douglas Ladd and Debbie Bowen
Viola pubescens var. eriocarpa (Schwein.) N.H.Russell

Douglas Ladd and Debbie Bowen
Plantago pusilla Nutt.

Douglas Ladd
Acer negundo L.

Douglas Ladd and Debbie Bowen
Corydalis flavula (Raf.) DC.

Douglas Ladd and Debbie Bowen
Viola rafinesquii Greene

Douglas Ladd and Debbie Bowen
Viola striata Aiton

Douglas Ladd and Debbie Bowen
Allium vineale L.

Douglas Ladd
Diodia virginiana L.

Douglas Ladd
Lysimachia ciliata L.

Douglas Ladd
Lysimachia nummularia L.

Douglas Ladd
Morus alba var. alba

Douglas Ladd
Opuntia humifusa (Raf.) Raf.

Douglas Ladd
Rumex altissimus Wood

Douglas Ladd
Allium vineale L.

Douglas Ladd and Marleen Schertler
Campanula americana Mill.

Douglas Ladd
Gaura biennis L.

Douglas Ladd
Morus alba var. alba

Douglas Ladd
Polygonum scandens L.

Douglas Ladd
Polygonum scandens L.

Douglas Ladd
Polygonum scandens L.

Douglas Ladd
Polygonum scandens L.

Douglas Ladd and John Stimek
Thymelaea passerina (L.) Coss. & Germ.

Douglas Ladd