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1,100,502 specimens across 6 departments, collected since 1754 — 100,256 names, 42,336 type specimens.
Family:Thelypteridaceaeremove filterJourney:David F. Grether across 5 islands, July – August 1946remove filterClear all
HolotypeChristella guamensis
BISH 103586
Grether, D.F., 1946
Guam
IsotypeChristella gretheri
BISH 498913
Grether, D.F., 1946
Rota, Northern Mariana Islands
Christella dentata
BISH 103587
Grether, D.F., 1946
Guam
Christella parasitica
BISH 103600
Grether, D.F., 1946
Guam
Christella guamensis
BISH 103607
Grether, D.F., 1946
Guam
Sphaerostephanos maemonensis
BISH 99776
Grether, D.F., 1946
Guam
Sphaerostephanos warburgii
BISH 99779
Grether, D.F., 1946
Guam