W. Hess

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4 collections found. 4 collections shown.

W. Hess (6938)

Agavaceae Yucca arkansana Trel. - United States of America

W. Hess (6910)

Agavaceae Yucca arkansana Trel. - United States of America

W. Hess (2269)

Asteraceae Erigeron hessii G. L. Nesom - United States of America

W. Hess (6458)

Fagaceae Quercus virginiana - United States of America