Search criteria: Garrett Herbarium, Natural History Museum of Utah (UT Botany)
Equisetum × ferrissii
Heber Hall
Heber Hall
Equisetum × ferrissii
Delbert W. Lindsay
Delbert W. Lindsay
Equisetum × ferrissii
W.P. Cottam
W.P. Cottam
Equisetum × ferrissii
Delbert W. Lindsay
Delbert W. Lindsay
Equisetum × ferrissii
Delbert W. Lindsay
Delbert W. Lindsay
Equisetum × ferrissii
M.D. Windham
M.D. Windham
Equisetum × ferrissii
D. Woodruff
D. Woodruff
Equisetum × ferrissii
M.D. Windham
M.D. Windham
Equisetum × ferrissii
W.E. Niles
W.E. Niles
Equisetum × ferrissii
M.D. Windham
M.D. Windham
Equisetum × ferrissii
M.D. Windham
M.D. Windham
Equisetum × ferrissii
M.D. Windham
M.D. Windham
Equisetum × ferrissii
John H. Schaffner
John H. Schaffner
Equisetum × ferrissii
John H. Schaffner
John H. Schaffner
Equisetum × ferrissii
W.H. Horr
W.H. Horr
Equisetum × ferrissii
John H. Schaffner
John H. Schaffner
Equisetum × ferrissii
George W. Bassett
George W. Bassett
Equisetum × mackaii
John H. Schaffner
John H. Schaffner
Equisetum × nelsonii
Ann V. Dick
Ann V. Dick
The PCC, and this data portal, were made possible by funding from the National Science Foundation’s
Advancing Digitization of Biological Collections (ADBC) program, grant numbers
1802504,
1802352,
1802134,
1802033,
1802270,
1802255,
1802239,
1802446,
1802305.
The pteridoportal taxonomic thesaurus is based on the
Checklist of Ferns and Lycophytes of the World, generously provided by Michael Hassler.