Anadyomenaceae FH: 00550078 Anadyomene stellata (Wulfen) C. Agardh USA: Florida [data not captured] I. Holden 1887-2-25
Aspleniaceae GH: 00681695 Asplenium platyneuron (Linnaeus) Britton, Sterns & Poggenburg USA: Connecticut New Milford: New Milford I. Holden 1887-8-19
NEBC: 00681697 Asplenium platyneuron (Linnaeus) Britton, Sterns & Poggenburg USA: Connecticut New Milford: New Milford I. Holden 1887-7-14
GH: 00631648 Asplenium trichomanes Linnaeus USA: Connecticut New Milford: New Milford I. Holden 1887-7-14
NEBC: 00631650 Asplenium trichomanes Linnaeus USA: Connecticut New Milford: New Milford I. Holden 1887-7-14
Athyriaceae GH: 00668876 Athyrium filix-femina angustum (Willdenow) G. Lawson USA: Connecticut Bridgeport: Bridgeport I. Holden 1887-7-24
GH: 00551425 Cystopteris bulbifera (Linnaeus) Bernhardi USA: Connecticut Lanesville I. Holden 1887-8-19
NEBC: 00551426 Cystopteris bulbifera (Linnaeus) Bernhardi USA: Connecticut Lanesville I. Holden 1887-8-19
GH: 00746685 Cystopteris tenuis (Michaux) Desvaux USA: Connecticut New Milford: New Milford I. Holden 1887-7-14
GH: 00551672 Deparia acrostichoides (Swartz) M. Kato USA: Connecticut Bridgeport: Bridgeport I. Holden 1887-7-31
GH: 00695477 Gymnocarpium dryopteris (Linnaeus) Newman USA: Connecticut Stratford: Stratford I. Holden 1887-8-7
GH: 00695901 Onoclea sensibilis Linnaeus USA: Connecticut Derby: Derby I. Holden 1887
GH: 00695904 Onoclea sensibilis Linnaeus USA: Connecticut West Stratford I. Holden 1887-7-27
Blechnaceae GH: 00628356 Woodwardia areolata (Linnaeus) T. Moore USA: Connecticut Stratford: Stratford I. Holden 1887-8-25
GH: 00628357 Woodwardia areolata (Linnaeus) T. Moore USA: Connecticut Stratford: Stratford I. Holden 1887-8-25
Brongniartelleae FH: 00778648 Brongniartella mucronata (Harvey) F. Schmitz USA: Florida Key West: [no additional data] I. Holden 1887-2-15
Bryopsidaceae FH: 00550340 Bryopsis duchassaingii J. Agardh USA: Florida [no additional data] I. Holden 1887-2-14
FH: 00550341 Bryopsis duchassaingii J. Agardh USA: Florida [no additional data] I. Holden 1887-2-14
Ceramiaceae FH: 00789420 Centroceras clavulatum (C. Agardh) Montagne USA: Florida Key West: [no additional data] I. Holden 1887-2-16
FH: 00789434 Centroceras clavulatum (C. Agardh) Montagne USA: Florida Key West: [no additional data] I. Holden 1887-2-12
Ceramieae FH: 00789271 Ceramium arachnoideum (C. Agardh) J. Agardh USA: Florida Key West: [no additional data] I. Holden 1887-2-14
FH: 00789420 Ceramium clavulatum C. Agardh USA: Florida Key West: [no additional data] I. Holden 1887-2-16
FH: 00789434 Ceramium clavulatum C. Agardh USA: Florida Key West: [no additional data] I. Holden 1887-2-12
FH: 00789992 Ceramium rubrum C. Agardh USA: Massachusetts Nahant: [no additional data] I. Holden 1887-9-11
FH: 00788105 Ceramium rubrum decurrens J. Agardh USA: Connecticut Long Island: [data not captured] I. Holden 1887-5-15
FH: 00788106 Ceramium rubrum decurrens J. Agardh USA: Connecticut Long Island: [data not captured] I. Holden 1887-5-15
FH: 00618067 Ceramium rubrum corymbosum Collins USA: Connecticut Long Island: [data not captured] I. Holden 1887-5-12
FH: 00789271 Ceramium tenuicorne (Kützing) Waern USA: Florida Key West: [no additional data] I. Holden 1887-2-14
Chondrieae FH: 00788771 Chondria littoralis Harvey USA: Florida Key West: [no additional data] I. Holden 1887-2-16
FH: 00788772 Chondria littoralis Harvey USA: Florida Key West: [no additional data] I. Holden 1887-2-13
FH: 00788805 Chondria sedifolia Harvey USA: Florida Key West: [no additional data] I. Holden 1887-2-14
FH: 00788809 Chondria sedifolia Harvey USA: Florida Key West: [no additional data] I. Holden 1887-2-13
Corallinaceae FH: 00618524 Corallina officinalis Linnaeus USA: Massachusetts Nahant: Nahant, MA I. Holden 1887-9-11
Cystocloniaceae FH: 00618969 Cystoclonium purpurascens (Hudson) Kützing USA: New York Long Island: [data not captured] I. Holden 1887-6-12
FH: 00624097 Cystoclonium purpureum cirrhosum J.Agardh ex Lily Newton USA: Connecticut Long Island: Penfield Reef, Long Island Soun... I. Holden 1887-6-12
FH: 00624099 Cystoclonium purpureum cirrhosum J.Agardh ex Lily Newton USA: Connecticut Long Island: Penfield Reef, Long Island Soun... I. Holden 1887-6-12
FH: 00624100 Cystoclonium purpureum cirrhosum J.Agardh ex Lily Newton USA: Connecticut Long Island: Penfield Reef, Long Island Soun... I. Holden 1887-6-12
FH: 00852540 Hypnea cornuta (Kützing) J. Agardh USA: Florida Soldier Key I. Holden 1887-3-3
FH: 00852542 Hypnea cornuta (Kützing) J. Agardh USA: Florida Soldier Key I. Holden 1887-3-3
FH: 00852541 Hypnea cornuta (Kützing) J. Agardh USA: Florida Soldier Key I. Holden 1887-3-3
Dasyoideae FH: 00624186 Dasya harveyi Kützing USA: Florida Key West: Key West, FL I. Holden 1887-2-12
FH: 00624366 Dasya pedicellata (C. Agardh) C. Agardh USA: Florida Cape Florida, FL I. Holden 1887-2-21
FH: 00624368 Dasya pedicellata (C. Agardh) C. Agardh USA: Florida Cape Florida, FL I. Holden 1887-2-25
Dennstaedtiaceae GH: 00681353 Dennstaedtia punctilobula (Michaux) T. Moore USA: Connecticut Beacon Falls: Beacon Falls I. Holden 1887-8-14
GH: 00681354 Dennstaedtia punctilobula (Michaux) T. Moore USA: Connecticut Stratford: Stratford I. Holden 1887-8-4
GH: 00681356 Dennstaedtia punctilobula (Michaux) T. Moore USA: Connecticut Bridgeport: Bridgeport I. Holden 1887-7-24
GH: 00631324 Pteridium aquilinum latiusculum (Desvaux) Hultén USA: Connecticut West Stratford I. Holden 1887-7-27
NEBC: 00631326 Pteridium aquilinum latiusculum (Desvaux) Hultén USA: Connecticut Stratford: Stratford I. Holden 1887-8-25
Dryopteridaceae GH: 00666442 Dryopteris carthusiana (Villars) H. P. Fuchs USA: Connecticut Stratford: Stratford I. Holden 1887-7-4
GH: 00666443 Dryopteris carthusiana (Villars) H. P. Fuchs USA: Connecticut Bridgeport: Bridgeport I. Holden 1887-8-5
NEBC: 00666444 Dryopteris carthusiana (Villars) H. P. Fuchs USA: Connecticut Bridgeport: Bridgeport I. Holden 1887-8-5
NEBC: 00666449 Dryopteris carthusiana (Villars) H. P. Fuchs USA: Connecticut Stratford: Stratford I. Holden 1887-7-4
GH: 00704524 Dryopteris cristata (Linnaeus) A. Gray USA: Connecticut Bridgeport: Bridgeport I. Holden 1887-8-21
GH: 00636167 Dryopteris intermedia (Muhlenberg ex Willdenow) A. Gray USA: Connecticut Bridgeport: Bridgeport I. Holden 1887-8-5
GH: 00671546 Dryopteris marginalis (Linnaeus) A. Gray USA: Connecticut Bridgeport: Bridgeport I. Holden 1887-6-26
GH: 00671552 Dryopteris marginalis (Linnaeus) A. Gray USA: Connecticut Fairfield: Fairfield I. Holden 1887-7-10
Equisetaceae GH: 00674499 Equisetum arvense Linnaeus USA: Connecticut Bridgeport: Bridgeport I. Holden 1887-5-14
NEBC: 00674506 Equisetum arvense Linnaeus USA: Connecticut Bridgeport: Bridgeport I. Holden 1887-5-28
GH: 00694413 Equisetum hyemale affine (Engelmann) A. A. Eaton USA: Connecticut Housatonic River I. Holden 1887-6-3
Halymeniaceae FH: 00618859 Cryptonemia crenulata (J. Agardh) J. Agardh USA: Florida Key West: [no additional data] I. Holden 1887-2-15
Lycopodiaceae GH: 00661548 Huperzia lucidula (Michaux) Trevisan USA: Connecticut Bridgeport: Bridgeport I. Holden 1887-11-13
Osmundaceae GH: 00639857 Osmunda claytoniana Linnaeus USA: Connecticut West Stratford I. Holden 1887-5-22
NEBC: 00772080 Osmunda regalis spectabilis (Willdenow) A. Gray USA: Connecticut West Stratford I. Holden 1887-6-24
GH: 00772081 Osmunda regalis spectabilis (Willdenow) A. Gray USA: Connecticut West Stratford I. Holden 1887-6-24
GH: 00681025 Osmundastrum cinnamomeum (Linnaeus) C. Presl USA: Connecticut West Stratford I. Holden 1887-5-22
Phyllophoraceae FH: 01122559 Phyllophora membranifolia (Goodenough & Woodward) J. Agardh USA: New York Penfield Reef, L. I. Sound I. Holden 1887-5-29
Polypodiaceae NEBC: 00658285 Polypodium virginianum Linnaeus USA: Connecticut Naugatuck: Naugatuck I. Holden 1887-8-14
NEBC: 00658300 Polypodium virginianum Linnaeus USA: Connecticut New Milford: New Milford I. Holden 1887-8-19
GH: 00658302 Polypodium virginianum Linnaeus USA: Connecticut New Milford: New Milford I. Holden 1887-8-19
Pteridaceae GH: 00216875 Adiantum pedatum Linnaeus USA: Connecticut Lanesville: Great Falls I. Holden 1887-7-14
GH: 00216878 Adiantum pedatum Linnaeus USA: Connecticut Samp Mortar? I. Holden 1887-7-10
Rhodomelaceae FH: 00976509 Polysiphonia fucoides (Hudson) Greville USA: Connecticut Long Island: Middle Ground Light I. Holden 1887-6-19
FH: 00976509 Polysiphonia nigrescens (Hudson) Greville ex Harvey USA: Connecticut Long Island: Middle Ground Light I. Holden 1887-6-19
Rhodymeniaceae FH: 00976528 Rhodymenia palmata (Linnaeus) Greville USA: Massachusetts Nahant: [no additional data] I. Holden 1887-9-11
Solieriaceae FH: 00777160 Agardhiella subulata (C.Agardh) Kraft & M.J.Wynne USA: Connecticut Bridgeport: [no additional data] I. Holden 1887-8-28
FH: 00976457 Agardhiella tenera (J. Agardh) F. Schmitz USA: Connecticut Bridgeport: [no additional data] I. Holden 1887-8-7
FH: 00909024 Eucheuma isiforme (C. Agardh) J. Agardh USA: Florida Key West: Key West, FL I. Holden 1887-2-14
Thelypteridaceae NEBC: 00631759 Phegopteris connectilis (Michaux) Watt USA: Connecticut I. Holden 1887-8-14
GH: 00631764 Phegopteris connectilis (Michaux) Watt USA: Connecticut I. Holden 1887-8-24
GH: 00631967 Phegopteris hexagonoptera (Michaux) Fée USA: Connecticut New Milford: New Milford I. Holden 1887-7-14
GH: 00631969 Phegopteris hexagonoptera (Michaux) Fée USA: Connecticut Bridgeport: Bridgeport I. Holden 1887-8-5
GH: 00708258 Thelypteris noveboracensis (Linnaeus) Nieuwland USA: Connecticut Trumbull: Trumbull I. Holden 1887-7-3
GH: 00708259 Thelypteris noveboracensis (Linnaeus) Nieuwland USA: Connecticut Bridgeport: Bridgeport I. Holden 1887-7-24
GH: 00708584 Thelypteris palustris pubescens (G. Lawson) Fernald USA: Connecticut Bridgeport: Bridgeport I. Holden 1887-7-31
Woodsiaceae NEBC: 00676365 Woodsia ilvensis (Linnaeus) R. Brown USA: Connecticut New Milford: New Milford I. Holden 1887-8-19
GH: 00676366 Woodsia ilvensis (Linnaeus) R. Brown USA: Connecticut New Milford: New Milford I. Holden 1887-8-19
GH: 00676744 Woodsia obtusa (Sprengel) Torrey USA: Connecticut Fairfield: Fairfield I. Holden 1887-7-10
NEBC: 00676752 Woodsia obtusa (Sprengel) Torrey USA: Connecticut Fairfield: Fairfield I. Holden 1887-7-10