S. Pence

Show Filters

6 collections found. 6 collections shown.

S. Pence (6)

Aspleniaceae Asplenium resiliens Kunze. - United States of America

S. Pence (14)

Azollaceae Azolla caroliniana Willd. - United States of America

S. Pence (100)

Equisetaceae Equisetum ×ferrissii Clute - United States of America

S. Pence (5)

Pteridaceae Notholaena dealbata (Pursh) Kuntze - United States of America

S. Pence (71)

Pteridaceae Pellaea atropurpurea var. wrightiana (Hook.) A. Tryon - United States of America

S. Pence (132)

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