Asteraceae GH: 00566999 Galinsoga quadriradiata Ruiz & Pavon USA: Pennsylvania Pittsburg: Pittsburg H. L. Clark 1893
GH: 00626122 Hypochaeris radicata Linnaeus USA: Massachusetts Falmouth: Falmouth H. L. Clark 1899-7-20
Boodleaceae FH: 00867280 Spongocladia vaucheriiformis Areschoug Australia (Country): Murray Point, Torres Strait H. L. Clark 1913-10
FH: 00867275 Spongocladia vaucheriiformis Areschoug Australia (Country): Torres Strait H. L. Clark 1913-10
FH: 00867279 Spongocladia vaucheriiformis Areschoug Australia (Country): Murray Isd, Torres Strait H. L. Clark 1913-10
Convolvulaceae GH: 02056280 Cuscuta compacta Jussieu ex Choisy USA: Maryland Baltimore: [no additional data] H. L. Clark 1909-9-5
GH: 02056644 Cuscuta gronovii Willdenow ex Roemer & Schultes USA: Virginia Mountain Lake H. L. Clark 1901-8-28
GH: 02056714 Cuscuta indecora Choisy USA: Maryland Easton H. L. Clark 7 1903-8-26
GH: 02056804 Cuscuta indecora Choisy USA: Virginia Mountain Lake H. L. Clark 1901-8-27
Dryopteridaceae GH: 00671132 Dryopteris cristata (Linnaeus) A. Gray USA: New Hampshire Squam Lake H. L. Clark 14 1903
Dysphaniaceae GH: 00732279 Dysphania anthelminticum (Linnaeus) Mosyakin & Clemants USA: Massachusetts Falmouth: Falmouth H. L. Clark 1899-8-9
Fabaceae GH: 01960751 Desmodium sp. Desvaux USA: Maryland Easton H. L. Clark 10 1903-9-2
GH: 02148139 Hylodesmum pauciflorum (Nuttall) H. Ohashi & R. R. Mill USA: Maryland Easton H. L. Clark 11 1903-9-2
GH: 01689508 Lathyrus odoratus Linnaeus USA: Massachusetts Falmouth: (Penzance. Great Harbor side) Wood... H. L. Clark 7 1899-8-17
Galaxauraceae FH: 00899550 Galaxaura lapidescens (J. Ellis & Solander) J. V. Lamouroux Australia (Country): Queensland Murray Island, Torres Strait, Australia H. L. Clark 1913-10
FH: 00899551 Galaxaura lapidescens (J. Ellis & Solander) J. V. Lamouroux Australia (Country): Queensland Murray Island, Torres Strait, Australia H. L. Clark 1913-10
FH: 00899552 Galaxaura lapidescens (J. Ellis & Solander) J. V. Lamouroux Australia (Country): Queensland Murray Island, Torres Strait, Australia H. L. Clark 1913-10
FH: 00899553 Galaxaura lapidescens (J. Ellis & Solander) J. V. Lamouroux Australia (Country): Queensland Murray Island, Torres Strait, Australia H. L. Clark 1913-10
FH: 00899550 Galaxaura rugosa (J. Ellis & Solander) J. V. Lamouroux Australia (Country): Queensland Murray Island, Torres Strait, Australia H. L. Clark 1913-10
FH: 00899551 Galaxaura rugosa (J. Ellis & Solander) J. V. Lamouroux Australia (Country): Queensland Murray Island, Torres Strait, Australia H. L. Clark 1913-10
FH: 00899552 Galaxaura rugosa (J. Ellis & Solander) J. V. Lamouroux Australia (Country): Queensland Murray Island, Torres Strait, Australia H. L. Clark 1913-10
FH: 00899553 Galaxaura rugosa (J. Ellis & Solander) J. V. Lamouroux Australia (Country): Queensland Murray Island, Torres Strait, Australia H. L. Clark 1913-10
Gracilariaceae FH: 00618609 Corallopsis minor (Sonder) J. Agardh Papua New Guinea: [data not captured] H. L. Clark 1913-10
FH: 00618603 Corallopsis opuntia J. Agardh Papua New Guinea: [data not captured] H. L. Clark 1913-10
FH: 00618604 Corallopsis opuntia J. Agardh Papua New Guinea: [data not captured] H. L. Clark 1913-10
FH: 00618605 Corallopsis opuntia J. Agardh Papua New Guinea: [data not captured] H. L. Clark 1913-10
Hippuridaceae A: 02000438 Hippuris vulgaris Linnaeus USA: Colorado Buck Lake, Rense Ranch, Sec. 31, T3N R72W, 2... H. L. Clark 770 1965-8-12
Juncaceae GH: 02098439 Juncus acuminatus Michaux USA: Virginia [data not captured] H. L. Clark 1901-8-20
Lamiaceae GH: 00648596 Pycnanthemum tenuifolium Schrader USA: New Hampshire Marlboro H. L. Clark 1902
Lomentariaceae FH: 00788308 Ceratodictyon spongiosum Zanardini Papua New Guinea: [data not captured] H. L. Clark 1913-10
FH: 00909782 Gelidiopsis rigida (C.Agardh) Weber-van Bosse Australia (Country): Queensland [data not captured] H. L. Clark 1913
Onagraceae GH: 01644037 Oenothera fruticosa fruticosa USA: Maryland Easton H. L. Clark 2 1903-8-15
NEBC: 00655928 Oenothera pilosella Rafinesque USA: Maine Franklin: Franklin H. L. Clark 1916
Orchidaceae GH: 01938560 Corallorhiza odontorhiza (Willdenow) Poiret USA: Maryland Easton H. L. Clark 12 1903-9-5
GH: 00728769 Isotria medeoloides (Pursh) Rafinesque USA: Massachusetts East Hadley H. L. Clark 1899-5-31
GH: 02029269 Tipularia discolor (Pursh) Nuttall USA: Maryland Near Easton H. L. Clark 1 1903-8-22
Orobanchaceae GH: 00645694 Agalinis purpurea (Linnaeus) Pennell USA: Massachusetts Falmouth: Falmouth H. L. Clark 1899
Oxalidaceae NEBC: 00833013 Oxalis florida Salisbury USA: New Hampshire Franklin: Franklin H. L. Clark 1916
GH: 01856111 Oxalis stricta Linnaeus USA: Virginia Mountain Lake H. L. Clark 1901-8-24
Plantaginaceae NEBC: 00650356 Penstemon digitalis Nuttall ex Sims USA: New Hampshire Franklin: Franklin H. L. Clark 1916
GH: 00617946 Plantago major Linnaeus USA: Massachusetts Falmouth: Falmouth H. L. Clark 1899
GH: 01805517 Veronica arvensis Linnaeus USA: Pennsylvania Pittsburgh: [data not captured] H. L. Clark 3 1894
GH: 01805519 Veronica arvensis Linnaeus USA: Pennsylvania Altoona: [data not captured] H. L. Clark 2
GH: 01811046 Veronica peregrina Linnaeus USA: Pennsylvania Pittsburgh: [data not captured] H. L. Clark 1 1894
GH: 01811790 Veronica serpyllifolia Linnaeus USA: Pennsylvania Pittsburgh: [data not captured] H. L. Clark 2 1894
Poaceae GH: 00613127 Bromus hordeaceus Linnaeus USA: Massachusetts Woods Hole H. L. Clark 1899
Polemoniaceae GH: 00592536 Polemonium reptans Linnaeus USA: New Hampshire Franklin: Franklin H. L. Clark 1919-6-6
Polygalaceae GH: 01969567 Polygala nuttallii Torr. & A. Gray USA: Maryland Near Ocean City H. L. Clark 13 1903-8-27
Polygonaceae GH: 00749417 Persicaria wallichii Greuter & Burdet USA: Massachusetts Cohasset: Cohasset H. L. Clark 16 1903
GH: 00749417 Polygonum polystachyum Wallich ex Meisner USA: Massachusetts Cohasset: Cohasset H. L. Clark 16 1903
NEBC: 00675616 Rumex maritimus fueginus (Philippi) Dusén USA: New Hampshire Tilton: Tilton H. L. Clark
Potamogetonaceae GH: 01695682 Potamogeton pusillus Linnaeus USA: Maryland Near Ocean City H. L. Clark 5 1903-8-27
Rhizophyllidaceae FH: 00618022 Chondrococcus hornemannii (Lyngbye) F. Schmitz Australia (Country): Queensland [data not captured] H. L. Clark 1913-10
FH: 00618024 Chondrococcus hornemannii (Lyngbye) F. Schmitz Australia (Country): Queensland [data not captured] H. L. Clark 1913-10
Rhodomelaceae FH: 00777374 Amansia glomerata C. Agardh Australia (Country): Queensland [data not captured] H. L. Clark 1913-10
Rubiaceae NEBC: 00755224 Galium palustre Linnaeus USA: New Hampshire Franklin: Franklin H. L. Clark 1917-7-19
Scrophulariaceae NEBC: 00686925 Lindernia dubia anagallidea (Michaux) Cooperrider USA: New Hampshire Franklin: Franklin H. L. Clark 1917-9-4
Solanaceae NEBC: 00685629 Physalis virginiana Miller USA: New Hampshire Franklin: Franklin H. L. Clark 1917-7-14
Solieriaceae FH: 00624992 Eucheuma arnoldii Weber-van Bosse Papua New Guinea: Murray Island, Torres Strait, Australia H. L. Clark 1913-10
FH: 00624993 Eucheuma arnoldii Weber-van Bosse Papua New Guinea: Murray Island, Torres Strait, Australia H. L. Clark 1913-10
FH: 00876406 Eucheuma sp. Papua New Guinea: [data not captured] H. L. Clark 1913-10
Tetragoniaceae GH: 00592273 Tetragonia tetragonioides (Pallas) Kuntze USA: Massachusetts H. L. Clark 1 1899-8-21
