Search criteria: Botanical Research Institute of Texas (BRIT )
Equisetum x mackaii
John Macoun
John Macoun
Equisetum x mackaii
Gilman
Gilman
Equisetum x mackaii
Gilman
Gilman
Equisetum x nelsonii
Gilman
Gilman
Equisetum x trachyodon
C. K. Dodge
C. K. Dodge
Equisetum × ferrissii
Steven R. Hill
Steven R. Hill
Equisetum × litorale
Ahles, H. E.
Ahles, H. E.
Equisetum × nelsonii
S. Fawcett
S. Fawcett
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.