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1,100,502 specimens across 6 departments, collected since 1754 — 100,256 names, 42,336 type specimens.

Family:Thelypteridaceae Collector:Grether, D.F.Clear all

19 specimens

Best match Oldest first Newest first Name A–Z

List Map

Holotype

Christella guamensis

BISH 103586

Grether, D.F., 1946
Guam

Isotype

Christella gretheri

BISH 498913

Grether, D.F., 1946
Rota, Northern Mariana Islands

Sphaerostephanos lamii

BISH 103417

Grether, D.F.; Wagner Jr., W.H., 1945
Los Negros, Papua New Guinea

Strophocaulon invisum

BISH 103418

Grether, D.F.; Wagner Jr., W.H., 1945
Los Negros, Papua New Guinea

Christella dentata

BISH 103587

Grether, D.F., 1946
Guam

Christella parasitica

BISH 103599

Grether, D.F., 1946
Guam

Christella parasitica

BISH 103600

Grether, D.F., 1946
Guam

Strophocaulon unitum

BISH 103602

Grether, D.F., 1945
Guam

Strophocaulon unitum

BISH 103604

Grether, D.F., 1945
Guam

Cyclosorus

BISH 103606

Grether, D.F., 1946
Guam

Christella guamensis

BISH 103607

Grether, D.F., 1946
Guam

Cyclosorus interruptus

BISH 107999

Grether, D.F., 1945
Guam

Amblovenatum opulentum

BISH 108000

Grether, D.F., 1945
Guam

Amblovenatum opulentum

BISH 108001

Grether, D.F., 1945
Guam

Strophocaulon unitum

BISH 22004

Grether, D.F., 1945
Samar, Philippines

Hoiokula sandwicensis

BISH 3925

Grether, D.F.; Wagner Jr., W.H., 1945
Oʻahu

Sphaerostephanos maemonensis

BISH 99776

Grether, D.F., 1946
Guam

Sphaerostephanos warburgii

BISH 99779

Grether, D.F., 1946
Guam

Strophocaulon unitum

BISH 99781 · Grether, D.F., 1945

Guam