W. J. Hess

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11 collections found. 11 collections shown.

W. J. Hess (3743)

Aceraceae Acer saccharum f. rubrocarpum E. Murray - United States of America

W. J. Hess (3817)

Anemiaceae Anemia mexicana Kl. - United States of America

W. J. Hess (3201)

Azollaceae Azolla mexicana Presl. - United States of America

W. J. Hess (3170)

Fabaceae Acacia rigidula - United States

W. J. Hess (3164)

Oleaceae Fraxinus texensis (Gray) Sarg. - United States of America

W. J. Hess (1022)

Polypodiaceae Polypodium polypodioides - United States of America

W. J. Hess (3818)

Pteridaceae Notholaena copelandii Hall - United States of America

W. J. Hess (3694)

Pteridaceae Pellaea ovata (Desv.) Weatherby - United States of America

W. J. Hess (7283)

Rosaceae Spiraea hitchcockii W.J. Hess & Stoynoff - United States of America

W. J. Hess (4259)

Rosaceae Vauquelinia californica ssp. sonorensis W.J. Hess & Henr. - United States of America

W. J. Hess (3163)

Ulmaceae Celtis laevigata - United States of America