FH: 00455370 Niebla homalea (Acharius) Rundel & Bowler USA: California [data not captured] C. H. Clarke
Agaricaceae FH: 00489468 Cantharellula umbonata (J. F. Gmelin) Singer: Fries USA: Massachusetts [no additional data] C. H. Clarke s.n. 1889
FH: 00489469 Cantharellula umbonata (J. F. Gmelin) Singer: Fries USA: Massachusetts [no additional data] C. H. Clarke s.n. 1888
Amblystegiaceae FH: 00544690 Amblystegium varium (Hedwig) Lindberg USA: Massachusetts Chestnut Hill, near Boston C. H. Clarke 1902-5-28
NEBC: 00544694 Amblystegium varium (Hedwig) Lindberg USA: Massachusetts Chestnut Hill, near Boston [Boston/Brookline... C. H. Clarke 1902-5-28
FH: 00544722 Amblystegium varium (Hedwig) Lindberg USA: Pennsylvania [data not captured] C. H. Clarke 928 1901-6
NEBC: 00800358 Calliergon cordifolium (Hedwig) Kindberg USA: Massachusetts Magnolia: [data not captured] C. H. Clarke 1905-7-21
FH: 00800361 Calliergon cordifolium (Hedwig) Kindberg USA: Massachusetts Prides Crossing: [no additional data] C. H. Clarke 1902-8-26
FH: 00800362 Calliergon cordifolium (Hedwig) Kindberg USA: Massachusetts Gloucester: [data not captured] C. H. Clarke 1905-7-21
FH: 00800371 Calliergon cordifolium (Hedwig) Kindberg USA: Massachusetts Magnolia: [data not captured] C. H. Clarke 1905-7-21
FH: 00795284 Drepanocladus fluitans gracilis Warnstorf USA: Massachusetts Gloucester: [data not captured] C. H. Clarke 1902-7-5
NEBC: 00795287 Drepanocladus fluitans gracilis Warnstorf USA: Massachusetts Gloucester: [data not captured] C. H. Clarke 1902-7-5
FH: 00795288 Drepanocladus fluitans gracilis Warnstorf USA: Massachusetts Magnolia: [no additional data] C. H. Clarke 1902-7-5
FH: 00795289 Drepanocladus fluitans gracilis Warnstorf USA: Massachusetts Gloucester: [data not captured] C. H. Clarke 1902-7-5
FH: 00795290 Drepanocladus fluitans gracilis Warnstorf USA: Massachusetts Gloucester: [data not captured] C. H. Clarke 1902-7-5
FH: 00795291 Drepanocladus fluitans gracilis Warnstorf USA: Massachusetts Gloucester: [data not captured] C. H. Clarke 1902-7-5
FH: 00838833 Hygrohypnum dilatatum (Wilson) Loeske USA: New Hampshire Intervale: [no additional data] C. H. Clarke 1904-8-22
FH: 00843280 Leptodictyum riparium (Hedwig) Warnstorf USA: Massachusetts Dedham: [no additional data] C. H. Clarke 1905-11-10
FH: 00849836 Platylomella lescurii (Sullivant) A. L. Andrews USA: Massachusetts Magnolia: [no additional data] C. H. Clarke 1902-7-18
NEBC: 00849840 Platylomella lescurii (Sullivant) A. L. Andrews USA: Massachusetts Magnolia: [no additional data] C. H. Clarke 1902-7-18
Asteraceae GH: 00566373 Centaurea nigrescens Willdenow USA: Massachusetts Gloucester: Magnolia, Coolidge Pt. C. H. Clarke 1911-9-22
GH: 00718124 Cota tinctoria (Linnaeus) J. Gay USA: Massachusetts Gloucester: Gloucester C. H. Clarke 1906-7-4
Aulacomniaceae FH: 00522927 Aulacomnium androgynum (Hedwig) Schwägrichen USA: Maine [data not captured] C. H. Clarke 1906-8-10
FH: 00520077 Aulacomnium heterostichum (Hedwig) Bruch & Schimper USA: Massachusetts Waltham: [data not captured] C. H. Clarke 1906-4-19
FH: 00520078 Aulacomnium heterostichum (Hedwig) Bruch & Schimper USA: Massachusetts Magnolia: [no additional data] C. H. Clarke
FH: 00520079 Aulacomnium heterostichum (Hedwig) Bruch & Schimper USA: Massachusetts Beverly: [no additional data] C. H. Clarke 1902-8-26
FH: 00520452 Aulacomnium palustre (Hedwig) Schwägrichen USA: Maine [data not captured] C. H. Clarke 1902-5
FH: 00520453 Aulacomnium palustre (Hedwig) Schwägrichen USA: Massachusetts [data not captured] C. H. Clarke 1894-6-2
FH: 00520454 Aulacomnium palustre (Hedwig) Schwägrichen USA: Massachusetts Magnolia: [data not captured] C. H. Clarke 1902-6-16
FH: 00520455 Aulacomnium palustre (Hedwig) Schwägrichen USA: Massachusetts Magnolia: [data not captured] C. H. Clarke 1899-10-13
FH: 00520456 Aulacomnium palustre (Hedwig) Schwägrichen USA: Massachusetts Magnolia: [data not captured] C. H. Clarke 1905-7-8
Bangiaceae FH: 00777794 Bangia fuscopurpurea (Dillwyn) Lyngbye USA: Massachusetts Nantasket: [no additional data] C. H. Clarke
FH: 00777795 Bangia fuscopurpurea (Dillwyn) Lyngbye USA: Massachusetts Boston: City Point C. H. Clarke 1896-4-18
FH: 00777796 Bangia fuscopurpurea (Dillwyn) Lyngbye USA: Massachusetts Nantasket: [no additional data] C. H. Clarke 1889-4
FH: 00777797 Bangia fuscopurpurea (Dillwyn) Lyngbye USA: Massachusetts Nantasket: [no additional data] C. H. Clarke 1889-4
FH: 00777798 Bangia fuscopurpurea (Dillwyn) Lyngbye USA: Massachusetts Nantasket: [no additional data] C. H. Clarke 1889-4-27
FH: 00809080 Porphyra laciniata (Lightfoot) C. Agardh USA: Massachusetts Magnolia: [no additional data] C. H. Clarke 1894-6-23
Bartramiaceae FH: 00516894 Bartramia pomiformis Hedwig USA: Massachusetts Dedham: [data not captured] C. H. Clarke 1904-6-13
FH: 00516895 Bartramia pomiformis Hedwig USA: Massachusetts Dedham: [data not captured] C. H. Clarke 1904-6-13
FH: 00516896 Bartramia pomiformis Hedwig USA: New Hampshire Jaffrey: [no additional data] C. H. Clarke 1903-3
FH: 00516897 Bartramia pomiformis Hedwig USA: New Hampshire Gilford: [no additional data] C. H. Clarke 1898-10-24
FH: 00516898 Bartramia pomiformis Hedwig USA: Massachusetts Magnolia: [data not captured] C. H. Clarke 1903-4-23
FH: 00516899 Bartramia pomiformis Hedwig USA: Massachusetts Prides Crossing: [no additional data] C. H. Clarke 1902-8-26
FH: 00516900 Bartramia pomiformis Hedwig USA: Massachusetts Dedham: [no additional data] C. H. Clarke 1905-11-9
Batrachospermaceae FH: 00778080 Batrachospermum moniliforme Roth USA: Massachusetts Boston: Stony Brook, Jamaica Plain C. H. Clarke
FH: 00778149 Batrachospermum vagum (Roth) C. Agardh USA: Massachusetts Boston: Stony Brook, Jamaica Plain C. H. Clarke
Brachytheciaceae FH: 00787823 Brachythecium plumosum (Hedwig) Bruch, Schimper & C. Gümbel USA: Massachusetts Magnolia: [data not captured] C. H. Clarke 1905-7-8
FH: 00790105 Brachythecium reflexum (Starke) Schimper USA: Massachusetts Magnolia: [no additional data] C. H. Clarke 1903-4-23
FH: 00790106 Brachythecium reflexum (Starke) Schimper USA: Massachusetts Magnolia: [no additional data] C. H. Clarke 1905-10-17
FH: 00790107 Brachythecium reflexum (Starke) Schimper USA: Massachusetts Magnolia: [no additional data] C. H. Clarke 1905-11-17
FH: 00790108 Brachythecium reflexum (Starke) Schimper USA: Massachusetts Magnolia: [no additional data] C. H. Clarke 1903-4-23
FH: 00790109 Brachythecium reflexum (Starke) Schimper USA: Massachusetts Magnolia: [no additional data] C. H. Clarke 1905-10-17
FH: 00790110 Brachythecium reflexum (Starke) Schimper USA: Massachusetts Magnolia: [no additional data] C. H. Clarke 1905-11-17
NEBC: 00790583 Brachythecium serrulatum (Hedwig) H. Robinson USA: Massachusetts Magnolia: [no additional data] C. H. Clarke 1902-10-27
FH: 00790587 Brachythecium serrulatum (Hedwig) H. Robinson USA: Massachusetts Magnolia: [no additional data] C. H. Clarke 1902-10-17
NEBC: 00790794 Brachythecium starkii (Bridel) Schimper USA: Massachusetts Magnolia: [no additional data] C. H. Clarke 1905-11-17
Brassicaceae GH: 00593865 Rorippa sylvestris (Linnaeus) Besser USA: Massachusetts Magnolia C. H. Clarke 1911-9-22
Bryaceae FH: 00799366 Bryum pseudotriquetrum (Hedwig) Gaertner USA: Massachusetts Malden: Malden, Middlesex Fells C. H. Clarke 1900-6-15
FH: 00900333 Rhodobryum ontariense (Kindberg) Kindberg USA: New Hampshire Jaffrey: [no additional data] C. H. Clarke 1903-4
FH: 00900334 Rhodobryum ontariense (Kindberg) Kindberg USA: Massachusetts Magnolia: [no additional data] C. H. Clarke 1905-9-7
Bryopsidaceae FH: 00550482 Bryopsis plumosa (Hudson) C. Agardh USA: Massachusetts Magnolia: [no additional data] C. H. Clarke
FH: 00550483 Bryopsis plumosa (Hudson) C. Agardh USA: Massachusetts Woods Hole: [no additional data] C. H. Clarke 1890-5
FH: 00550484 Bryopsis plumosa (Hudson) C. Agardh USA: Massachusetts Bourne: [data not captured] C. H. Clarke 1892-10-31
FH: 00550485 Bryopsis plumosa (Hudson) C. Agardh USA: Massachusetts Woods Hole: [no additional data] C. H. Clarke
Buxbaumiaceae FH: 00799867 Buxbaumia aphylla Hedwig USA: Massachusetts Magnolia: [no additional data] C. H. Clarke 1903-4-23
Callithamnieae FH: 00976467 Seirospora griffithsiana Harvey USA: Connecticut Bridgeport: [no additional data] C. H. Clarke 1894-8-26
Caulerpaceae FH: 00777316 Ahnfeldtia plicata (Hudson) Fries USA: Massachusetts Magnolia: [no additional data] C. H. Clarke 1900-12-8
FH: 00777319 Ahnfeldtia plicata (Hudson) Fries USA: Massachusetts Magnolia: [no additional data] C. H. Clarke 1893
FH: 00777320 Ahnfeldtia plicata (Hudson) Fries USA: Massachusetts Magnolia: [no additional data] C. H. Clarke
FH: 00777332 Ahnfeldtia plicata (Hudson) Fries USA: Massachusetts Magnolia: [no additional data] C. H. Clarke
FH: 00777334 Ahnfeldtia plicata (Hudson) Fries USA: Massachusetts Magnolia: [no additional data] C. H. Clarke
Ceramiaceae FH: 00550625 Antithamnion americanum (Harvey) Kjellman USA: Massachusetts Woods Hole: [no additional data] C. H. Clarke 1891-3-19
FH: 00550628 Antithamnion americanum (Harvey) Kjellman USA: Massachusetts Woods Hole: [no additional data] C. H. Clarke 1891-3
FH: 00550630 Antithamnion americanum (Harvey) Kjellman USA: Massachusetts Woods Hole: [no additional data] C. H. Clarke
FH: 00550753 Antithamnion floccosum (O. F. Müller) Kleen USA: Massachusetts Revere: [data not captured] C. H. Clarke 1893-5-6
FH: 00550754 Antithamnion floccosum (O. F. Müller) Kleen USA: Massachusetts Magnolia: [no additional data] C. H. Clarke
FH: 00550755 Antithamnion floccosum (O. F. Müller) Kleen USA: Massachusetts Magnolia: [no additional data] C. H. Clarke 1896-6-16
FH: 00550756 Antithamnion floccosum (O. F. Müller) Kleen USA: Massachusetts Magnolia: [no additional data] C. H. Clarke 1897-6-15
FH: 00550863 Antithamnion pylaisaei (Montagne) Kjellman USA: Massachusetts Magnolia: [no additional data] C. H. Clarke 1893-6-24
FH: 00778909 Callithamnion baileyi Harvey USA: Massachusetts Woods Hole: [no additional data] C. H. Clarke
FH: 00778971 Callithamnion corymbosum (Smith) Lyngbye USA: Massachusetts [data not captured] C. H. Clarke
FH: 00778822 Callithamnion sp. USA: Massachusetts [data not captured] C. H. Clarke 1894-10-20
FH: 00778824 Callithamnion sp. USA: Massachusetts Woods Hole: [no additional data] C. H. Clarke
FH: 00776249 Callithamnion tetragonum (Withering) Gray USA: Massachusetts Woods Hole: [no additional data] C. H. Clarke
FH: 00776259 Callithamnion tetragonum (Withering) Gray USA: Massachusetts Woods Hole: [no additional data] C. H. Clarke 1894-10-17
Ceramieae FH: 00789290 Ceramium botryocarpum A.W.Griffiths ex Harvey USA: Massachusetts Magnolia: [no additional data] C. H. Clarke
FH: 00789579 Ceramium diaphanum (Lightfoot) Roth USA: Massachusetts Woods Hole: [no additional data] C. H. Clarke
FH: 00789862 Ceramium pedicellatum (Duby) J. Agardh USA: Rhode Island Newport: [no additional data] C. H. Clarke 1895-6
FH: 00789977 Ceramium rubrum C. Agardh USA: Massachusetts Rockport: [data not captured] C. H. Clarke
FH: 00789978 Ceramium rubrum C. Agardh USA: Massachusetts Gloucester: [data not captured] C. H. Clarke 1894-8-26
FH: 00789979 Ceramium rubrum C. Agardh USA: Massachusetts Magnolia: [no additional data] C. H. Clarke 1898-9-1
FH: 00789983 Ceramium rubrum C. Agardh USA: Massachusetts Magnolia: [no additional data] C. H. Clarke
FH: 00789984 Ceramium rubrum C. Agardh USA: Massachusetts Magnolia: [no additional data] C. H. Clarke 1899-12-8
FH: 00789985 Ceramium rubrum C. Agardh USA: Massachusetts Magnolia: [no additional data] C. H. Clarke 1899-12-8
FH: 00789986 Ceramium rubrum C. Agardh USA: Massachusetts Magnolia: [no additional data] C. H. Clarke
FH: 00789987 Ceramium rubrum C. Agardh USA: Massachusetts Magnolia: [no additional data] C. H. Clarke
FH: 00789988 Ceramium rubrum C. Agardh USA: Massachusetts Magnolia: [no additional data] C. H. Clarke
FH: 00789989 Ceramium rubrum C. Agardh USA: Massachusetts Magnolia: [no additional data] C. H. Clarke
FH: 00789990 Ceramium rubrum C. Agardh USA: Massachusetts Magnolia: [no additional data] C. H. Clarke 1895-6-29
FH: 00789991 Ceramium rubrum C. Agardh USA: Massachusetts Magnolia: [no additional data] C. H. Clarke 1895-6-29
FH: 00789993 Ceramium rubrum C. Agardh USA: Massachusetts Beverly: [data not captured] C. H. Clarke
FH: 00789996 Ceramium rubrum C. Agardh USA: Massachusetts Revere: [data not captured] C. H. Clarke 1895-4-9
FH: 00788018 Ceramium rubrum C. Agardh USA: Massachusetts Woods Hole: [no additional data] C. H. Clarke
FH: 00788116 Ceramium rubrum pacificum Collins USA: California Santa Barbara: [no additional data] C. H. Clarke
FH: 00789862 Ceramium rubrum pedicellatum J. Agardh USA: Rhode Island Newport: [no additional data] C. H. Clarke 1895-6
FH: 00789884 Ceramium squarrosum (Harvey) J. Agardh USA: Massachusetts Magnolia: [no additional data] C. H. Clarke
FH: 00789886 Ceramium squarrosum (Harvey) J. Agardh USA: Massachusetts Magnolia: [no additional data] C. H. Clarke
FH: 00788171 Ceramium strictum (Kützing) Rabenhorst USA: Rhode Island Newport: [no additional data] C. H. Clarke 1895-7-12
Champiaceae FH: 00788393 Champia parvula (C. Agardh) Harvey USA: Massachusetts [data not captured] C. H. Clarke 1896-10
FH: 00788401 Champia parvula (C. Agardh) Harvey USA: Massachusetts Weymouth: [no additional data] C. H. Clarke 1896-9-29
FH: 00788402 Champia parvula (C. Agardh) Harvey USA: Massachusetts Weymouth: [data not captured] C. H. Clarke 1896-9-29
FH: 00788410 Champia parvula (C. Agardh) Harvey USA: Massachusetts [data not captured] C. H. Clarke 1894-10-24
FH: 00788414 Champia parvula (C. Agardh) Harvey USA: Massachusetts Woods Hole: [no additional data] C. H. Clarke
FH: 00788440 Champia parvula (C. Agardh) Harvey USA: Rhode Island Newport: [no additional data] C. H. Clarke 1890-7-12
FH: 00788441 Champia parvula (C. Agardh) Harvey USA: Rhode Island Newport: [no additional data] C. H. Clarke 1890-7-12
FH: 00788442 Champia parvula (C. Agardh) Harvey USA: Rhode Island Newport: [no additional data] C. H. Clarke 1890-7-12
FH: 00788443 Champia parvula (C. Agardh) Harvey USA: Rhode Island Newport: [no additional data] C. H. Clarke 1890-7-12
FH: 00909706 Gastroclonium ovale (Hudson) Kützing USA: California Pacific Grove: Pacific Grove, CA C. H. Clarke 1897
Climaciaceae FH: 00538736 Climacium americanum Bridel USA: Massachusetts Dedham: [data not captured] C. H. Clarke 1904-6-28
FH: 00538737 Climacium americanum Bridel USA: Massachusetts Barre: [data not captured] C. H. Clarke 1904-9-1
FH: 00538738 Climacium americanum Bridel USA: New Hampshire Tamworth: [data not captured] C. H. Clarke 1904
FH: 00539170 Climacium kindbergii (Renauld & Cardot) Grout USA: Massachusetts Waltham: [data not captured] C. H. Clarke 1906-4-19
FH: 00539171 Climacium kindbergii (Renauld & Cardot) Grout USA: Massachusetts Beverly: [data not captured] C. H. Clarke 1902-8-9
Corallinaceae FH: 00618516 Corallina officinalis Linnaeus USA: Massachusetts Magnolia: Magnolia, MA C. H. Clarke
FH: 00618518 Corallina officinalis Linnaeus USA: Massachusetts Magnolia: Magnolia, MA C. H. Clarke
Cryptopleureae FH: 00778486 Botryoglossum ruprechtianum (J. Agardh) De Toni USA: California [data not captured] C. H. Clarke
FH: 00778490 Botryoglossum ruprechtianum (J. Agardh) De Toni USA: California [data not captured] C. H. Clarke 1895-6
FH: 00778524 Botryoglossum violaceum (J. Agardh) De Toni USA: California Santa Barbara: [no additional data] C. H. Clarke
Cyperaceae NEBC: 00232528 Carex echinata echinata USA: New Hampshire Tamworth: C. H. Clarke
NEBC: 00241001 Carex foenea Willdenow USA: Massachusetts Gloucester: Magnolia C. H. Clarke 16274
GH: 00802321 Carex scabrata Schweinitz USA: Massachusetts Gloucester: Gloucester C. H. Clarke 1905-7-26
NEBC: 01042870 Cyperus grayi Torrey USA: Massachusetts Gloucester: Gloucester C. H. Clarke 1911-8-31
NEBC: 01061568 Cyperus lupulinus macilentus (Fernald) Marcks USA: Massachusetts Gloucester: Gloucester C. H. Clarke 1911-8-13
Cystocloniaceae FH: 00618952 Cystoclonium purpurascens (Hudson) Kützing USA: Rhode Island Newport: [no additional data] C. H. Clarke 1895-7-16
FH: 00618987 Cystoclonium purpurascens (Hudson) Kützing USA: Massachusetts Beverly: [no additional data] C. H. Clarke
FH: 00624106 Cystoclonium purpurascens stellatum Collins USA: Massachusetts Magnolia: Magnolia, MA C. H. Clarke 1896-7-25
FH: 00624107 Cystoclonium purpurascens stellatum Collins USA: Massachusetts Magnolia: Magnolia, MA C. H. Clarke 1896-6-25
FH: 00624108 Cystoclonium purpurascens stellatum Collins USA: Rhode Island Newport: Newport, RI C. H. Clarke 1895-7-17
FH: 00624087 Cystoclonium purpureum cirrhosum J.Agardh ex Lily Newton USA: Massachusetts Magnolia: Magnolia, MA C. H. Clarke 1889-9-11
FH: 00624088 Cystoclonium purpureum cirrhosum J.Agardh ex Lily Newton USA: Massachusetts Magnolia: Magnolia, MA C. H. Clarke 1891-6-26
Dasyoideae FH: 00624335 Dasya pedicellata (C. Agardh) C. Agardh USA: Massachusetts Woods Hole: Woods Hole, MA C. H. Clarke
Derbesiaceae FH: 00852468 Derbesia marina (Lyngbye) Solier USA: Massachusetts Woods Hole: Eel Pond C. H. Clarke 1892
Dermateaceae FH: 00377300 Xylographa parallela (Acharius) Fries: Fries USA: New Jersey Bricksburg C. H. Clarke 1888-4
Dicranaceae FH: 00541024 Dicranella heteromalla (Hedwig) Schimper USA: Pennsylvania [data not captured] C. H. Clarke 1899-1-23
FH: 00791993 Dicranum spurium Hedwig USA: Massachusetts Magnolia: [no additional data] C. H. Clarke 1900-8
FH: 00792015 Dicranum spurium Hedwig USA: Massachusetts Magnolia: [no additional data] C. H. Clarke 1910-8
FH: 00825457 Orthodicranum flagellare (Hedwig) Loeske USA: Massachusetts Magnolia: [data not captured] C. H. Clarke 1903-3-13
FH: 00825458 Orthodicranum flagellare (Hedwig) Loeske USA: Massachusetts Magnolia: [data not captured] C. H. Clarke 1899-10-13
FH: 00825459 Orthodicranum flagellare (Hedwig) Loeske USA: Massachusetts Manchester: [data not captured] C. H. Clarke 1901-11-1
FH: 00825460 Orthodicranum flagellare (Hedwig) Loeske USA: Massachusetts Manchester: [data not captured] C. H. Clarke 1904-9-16
FH: 00825461 Orthodicranum flagellare (Hedwig) Loeske USA: Massachusetts Magnolia: [data not captured] C. H. Clarke 1902-6-16
FH: 00825462 Orthodicranum flagellare (Hedwig) Loeske USA: Massachusetts Magnolia: [no additional data] C. H. Clarke 1901-8-30
FH: 00825463 Orthodicranum flagellare (Hedwig) Loeske USA: Massachusetts Magnolia: [no additional data] C. H. Clarke 1901-8-30
Entodontaceae FH: 00796698 Entodon cladorrhizans (Hedwig) Müller Halle USA: Pennsylvania [data not captured] C. H. Clarke 1899-2-28
Erythrotrichiaceae FH: 00624936 Erythrotrichia ceramicola (Lyngbye) Areschoug USA: Massachusetts Gloucester: [data not captured] C. H. Clarke
FH: 00624938 Erythrotrichia ceramicola (Lyngbye) Areschoug USA: Massachusetts Magnolia: [no additional data] C. H. Clarke
Fissidentaceae FH: 00779599 Fissidens subbasilaris Hedwig USA: Pennsylvania [data not captured] C. H. Clarke 1899-2
Fontinalaceae FH: 00540664 Dichelyma capillaceum (Withering) Myrin USA: Massachusetts Manchester: [no additional data] C. H. Clarke 1901-10-17
FH: 00540696 Dichelyma capillaceum (Withering) Myrin USA: Massachusetts Manchester: [no additional data] C. H. Clarke 1901-10-17
FH: 00545099 Fontinalis dalecarlica Bruch & Schimper USA: Massachusetts [data not captured] C. H. Clarke 1907-7
FH: 00545107 Fontinalis dalecarlica Bruch & Schimper USA: Massachusetts Magnolia: [no additional data] C. H. Clarke 1905-8-18
Funariaceae FH: 00847362 Physcomitrium pyriforme (Hedwig) Hampe USA: Massachusetts Boston: Jamaica Plain C. H. Clarke
FH: 00847363 Physcomitrium pyriforme (Hedwig) Hampe USA: Massachusetts Boston: Jamaica Plain C. H. Clarke 1906-5-30
FH: 00847364 Physcomitrium pyriforme (Hedwig) Hampe USA: Massachusetts Dorchester: [no additional data] C. H. Clarke
FH: 00847365 Physcomitrium pyriforme (Hedwig) Hampe USA: Massachusetts Brookline: [data not captured] C. H. Clarke 1902-5-28
FH: 00847366 Physcomitrium pyriforme (Hedwig) Hampe USA: Massachusetts Magnolia: [data not captured] C. H. Clarke 1903-6-4
FH: 00847367 Physcomitrium pyriforme (Hedwig) Hampe USA: Massachusetts Brookline: [data not captured] C. H. Clarke 1902-6
FH: 00847368 Physcomitrium pyriforme (Hedwig) Hampe USA: Massachusetts Prides Crossing: [no additional data] C. H. Clarke 1903-5-12
FH: 00847420 Physcomitrium pyriforme (Hedwig) Hampe USA: Massachusetts Chestnut Hills C. H. Clarke
FH: 00847422 Physcomitrium pyriforme (Hedwig) Hampe USA: Massachusetts Boston: Jamaica Plain C. H. Clarke
Gelidiaceae FH: 00909839 Gelidium amansii (J. V. Lamouroux) J. V. Lamouroux USA: California Santa Barbara: [no additional data] C. H. Clarke
FH: 00909870 Gelidium australe J. Agardh USA: California Santa Barbara: [no additional data] C. H. Clarke
FH: 00909901 Gelidium cartilagineum (Linnaeus) Gaillon USA: California Santa Barbara: Santa Barbara, CA C. H. Clarke
FH: 00909904 Gelidium cartilagineum (Linnaeus) Gaillon USA: California Pacific Grove: Pacific Grove, CA C. H. Clarke 1896-10
FH: 00907013 Gelidium coulteri Harvey USA: California Pacific Grove: Pacific Grove, CA C. H. Clarke
Geocalycaceae FH: 00497057 Chiloscyphus polyanthos fragilis (Roth) Schiffner USA: Massachusetts Magnolia: [data not captured] C. H. Clarke 11 1897-9
Georgiaceae FH: 01132715 Tetraphis pellucida Hedwig USA: Massachusetts Magnolia: [no additional data] C. H. Clarke 1892-8-30
Geraniaceae GH: 01070296 Geranium bicknellii Britton USA: Massachusetts Gloucester: Gloucester C. H. Clarke 1911-9-14
Gigartinaceae FH: 00788936 Chondrus crispus Stackhouse USA: Massachusetts Magnolia: [no additional data] C. H. Clarke
FH: 00788937 Chondrus crispus Stackhouse USA: Massachusetts Magnolia: [no additional data] C. H. Clarke
FH: 00788951 Chondrus crispus Stackhouse USA: Rhode Island Newport: [no additional data] C. H. Clarke 1895-7
FH: 00788972 Chondrus crispus Stackhouse USA: Massachusetts Magnolia: [no additional data] C. H. Clarke
FH: 00788974 Chondrus crispus Stackhouse USA: Massachusetts Magnolia: [no additional data] C. H. Clarke
FH: 00788977 Chondrus crispus Stackhouse USA: Massachusetts Boston: Castle Island [South Boston] C. H. Clarke 1896-4-18
FH: 00907523 Gigartina exasperata Harvey & Bailey USA: California Redondo Beach, CA C. H. Clarke 1994-5
FH: 00907608 Gigartina mamillosa (Goodenough & Woodward) J. Agardh USA: Massachusetts Magnolia: Magnolia, MA C. H. Clarke 1900-12-8
FH: 00907611 Gigartina mamillosa (Goodenough & Woodward) J. Agardh USA: Massachusetts Magnolia: Magnolia, MA C. H. Clarke
Hydnaceae FH: 00481836 Auriscalpium vulgare Gray USA: Massachusetts Magnolia: [no additional data] C. H. Clarke s.n. 1890-9
FH: 00603888 Steccherinum ochraceum (Persoon) Gray: Fries USA: Massachusetts Boston: Jamaica Plain C. H. Clarke
Hylocomiaceae NEBC: 00839373 Hylocomium brevirostre (Bridel) Schimper USA: Massachusetts Gloucester: Magnolia C. H. Clarke 1903-3-13
Hypnaceae FH: 00841707 Hypnum pallescens reptile (Michaux) Husnot USA: New Hampshire Tamworth: [data not captured] C. H. Clarke 1904-10-3
FH: 00849525 Platygyrium repens (Bridel) Schimper USA: Pennsylvania [data not captured] C. H. Clarke 1899-2-20
Jungermanniaceae FH: 00495309 Barbilophozia barbata (Schreber) Loeske USA: New Hampshire [data not captured] C. H. Clarke 26 1900-6
FH: 00499171 Jamesoniella autumnalis (de Candolle) Stephani USA: New Hampshire Tamworth: [no additional data] C. H. Clarke 31 1899-6
Kallymeniaceae FH: 00776453 Callophyllis cristata (C. Agardh) Kützing USA: Massachusetts Magnolia: [no additional data] C. H. Clarke 1900-12-8
FH: 00776473 Callophyllis cristata (C. Agardh) Kützing USA: Massachusetts Nahant: [no additional data] C. H. Clarke 1890-5-29
FH: 00776478 Callophyllis cristata (C. Agardh) Kützing USA: Massachusetts Revere: [data not captured] C. H. Clarke 1900-4-24
FH: 00776492 Callophyllis cristata (C. Agardh) Kützing USA: Massachusetts Boston: Castle Island, Boston Harbor [South ... C. H. Clarke 1896-4-18
FH: 00776501 Callophyllis cristata (C. Agardh) Kützing USA: Massachusetts Magnolia: Crescent Beach (Kettle Cove) C. H. Clarke 1876-7-15
FH: 00776502 Callophyllis cristata (C. Agardh) Kützing USA: Massachusetts Magnolia: Crescent Beach (Kettle Cove) C. H. Clarke 1893-10-3
FH: 00776503 Callophyllis cristata (C. Agardh) Kützing USA: Massachusetts Magnolia: Crescent Beach (Kettle Cove) C. H. Clarke 1892-8-29
FH: 00776504 Callophyllis cristata (C. Agardh) Kützing USA: Massachusetts Magnolia: Crescent Beach (Kettle Cove) C. H. Clarke 1893-10-3
FH: 00776505 Callophyllis cristata (C. Agardh) Kützing USA: Massachusetts Magnolia: Crescent Beach (Kettle Cove) C. H. Clarke 1893-7-6
FH: 00776506 Callophyllis cristata (C. Agardh) Kützing USA: Massachusetts Magnolia: Crescent Beach (Kettle Cove) C. H. Clarke 1893-10-3
FH: 00776507 Callophyllis cristata (C. Agardh) Kützing USA: Massachusetts Magnolia: Crescent Beach (Kettle Cove) C. H. Clarke 1893-7-5
FH: 00776508 Callophyllis cristata (C. Agardh) Kützing USA: Massachusetts Magnolia: Crescent Beach (Kettle Cove) C. H. Clarke 1893-7-5
FH: 00776509 Callophyllis cristata (C. Agardh) Kützing USA: Massachusetts Magnolia: Crescent Beach (Kettle Cove) C. H. Clarke 1893-8-1
FH: 00776510 Callophyllis cristata (C. Agardh) Kützing USA: Massachusetts Magnolia: [no additional data] C. H. Clarke
FH: 00776520 Callophyllis cristata (C. Agardh) Kützing USA: Massachusetts Magnolia: [no additional data] C. H. Clarke
FH: 00776624 Callophyllis flabellulata Harvey USA: California Santa Barbara: [no additional data] C. H. Clarke
FH: 00776625 Callophyllis flabellulata Harvey USA: California Santa Barbara: [no additional data] C. H. Clarke
FH: 00776712 Callophyllis marginifructa Setchell & Swezy USA: California Santa Barbara: [no additional data] C. H. Clarke
FH: 00776715 Callophyllis marginifructa Setchell & Swezy USA: California Santa Barbara: [no additional data] C. H. Clarke 1894-5
FH: 00776716 Callophyllis marginifructa Setchell & Swezy USA: California Santa Barbara: [no additional data] C. H. Clarke 1894-5
FH: 00776718 Callophyllis marginifructa Setchell & Swezy USA: California Pacific Grove: [no additional data] C. H. Clarke 1896
FH: 00776744 Callophyllis marginifructa Setchell & Swezy USA: California [data not captured] C. H. Clarke
FH: 00776745 Callophyllis marginifructa Setchell & Swezy USA: California [data not captured] C. H. Clarke
FH: 00776746 Callophyllis marginifructa Setchell & Swezy USA: California [data not captured] C. H. Clarke
FH: 00776747 Callophyllis marginifructa Setchell & Swezy USA: California [data not captured] C. H. Clarke
FH: 00776755 Callophyllis megalocarpa Setchell & Swezy USA: California Pacific Grove: [no additional data] C. H. Clarke 1896-10
FH: 00776788 Callophyllis megalocarpa Setchell & Swezy USA: California [data not captured] C. H. Clarke
FH: 00776789 Callophyllis megalocarpa Setchell & Swezy USA: California [data not captured] C. H. Clarke
FH: 00776790 Callophyllis megalocarpa Setchell & Swezy USA: California [data not captured] C. H. Clarke
FH: 00776847 Callophyllis pinnata Setchell & Swezy USA: California [data not captured] C. H. Clarke
FH: 00776854 Callophyllis pinnata Setchell & Swezy USA: California Santa Barbara: [no additional data] C. H. Clarke
FH: 00776855 Callophyllis pinnata Setchell & Swezy USA: California Santa Barbara: [no additional data] C. H. Clarke
FH: 00776344 Callophyllis sp. USA: California [data not captured] C. H. Clarke 1896-6
FH: 00776346 Callophyllis sp. USA: California Santa Barbara: [no additional data] C. H. Clarke
FH: 00776347 Callophyllis sp. USA: California Santa Barbara: [no additional data] C. H. Clarke
FH: 00776348 Callophyllis sp. USA: California Santa Barbara: [no additional data] C. H. Clarke
FH: 00776349 Callophyllis sp. USA: California Santa Barbara: [no additional data] C. H. Clarke
FH: 00776350 Callophyllis sp. USA: California Santa Barbara: [no additional data] C. H. Clarke
FH: 00776351 Callophyllis sp. USA: California Santa Barbara: [no additional data] C. H. Clarke
FH: 00776352 Callophyllis sp. USA: California Santa Barbara: [no additional data] C. H. Clarke
FH: 00776353 Callophyllis sp. USA: California Santa Barbara: [no additional data] C. H. Clarke
FH: 00776354 Callophyllis sp. USA: California Santa Barbara: [no additional data] C. H. Clarke
FH: 00776355 Callophyllis sp. USA: California Santa Barbara: [no additional data] C. H. Clarke
FH: 00776356 Callophyllis sp. USA: California Santa Barbara: [no additional data] C. H. Clarke
FH: 00776357 Callophyllis sp. USA: California Santa Barbara: [no additional data] C. H. Clarke
FH: 00776924 Callophyllis variegata (Bory) Kützing USA: California [data not captured] C. H. Clarke
FH: 00776925 Callophyllis variegata (Bory) Kützing USA: California [no additional data] C. H. Clarke
FH: 00776926 Callophyllis variegata (Bory) Kützing USA: California [data not captured] C. H. Clarke
FH: 00776927 Callophyllis variegata (Bory) Kützing USA: California [data not captured] C. H. Clarke 1895
FH: 00776966 Callophyllis variegata (Bory) Kützing USA: California Santa Barbara: [no additional data] C. H. Clarke
FH: 00776967 Callophyllis variegata (Bory) Kützing USA: California Santa Barbara: [no additional data] C. H. Clarke
FH: 00776968 Callophyllis variegata (Bory) Kützing USA: California Santa Barbara: [no additional data] C. H. Clarke
FH: 00776969 Callophyllis variegata (Bory) Kützing USA: California Santa Barbara: [no additional data] C. H. Clarke
FH: 00776970 Callophyllis variegata (Bory) Kützing USA: California Santa Barbara: [no additional data] C. H. Clarke
FH: 00776971 Callophyllis variegata (Bory) Kützing USA: California Santa Barbara: [no additional data] C. H. Clarke
FH: 00776972 Callophyllis variegata (Bory) Kützing USA: California Santa Barbara: [no additional data] C. H. Clarke
FH: 00776973 Callophyllis variegata (Bory) Kützing USA: California Santa Barbara: [no additional data] C. H. Clarke
FH: 00776974 Callophyllis variegata (Bory) Kützing USA: California Santa Barbara: [no additional data] C. H. Clarke
FH: 00776975 Callophyllis variegata (Bory) Kützing USA: California Santa Barbara: [no additional data] C. H. Clarke 1894-5
FH: 00776976 Callophyllis variegata (Bory) Kützing USA: California Santa Barbara: [no additional data] C. H. Clarke
FH: 00776977 Callophyllis variegata (Bory) Kützing USA: California Santa Barbara: [no additional data] C. H. Clarke
FH: 00776978 Callophyllis variegata (Bory) Kützing USA: California Santa Barbara: [no additional data] C. H. Clarke
FH: 00776979 Callophyllis variegata (Bory) Kützing USA: California Santa Barbara: [no additional data] C. H. Clarke
FH: 00776980 Callophyllis variegata (Bory) Kützing USA: California Santa Barbara: [no additional data] C. H. Clarke
FH: 00776981 Callophyllis variegata (Bory) Kützing USA: California Santa Barbara: [no additional data] C. H. Clarke
FH: 00776982 Callophyllis variegata (Bory) Kützing USA: California Santa Barbara: [no additional data] C. H. Clarke
FH: 00789070 Callophyllis violacea J. Agardh USA: California Pacific Grove: [no additional data] C. H. Clarke 1897
FH: 00789071 Callophyllis violacea J. Agardh USA: California Pacific Grove: [no additional data] C. H. Clarke 1896-10
FH: 00789072 Callophyllis violacea J. Agardh USA: California Pacific Grove: [no additional data] C. H. Clarke 1897
Meesiaceae FH: 00845213 Meesia longiseta Hedwig Canada: Nova Scotia [data not captured] C. H. Clarke 1897-7-22
Moniliaceae FH: 00972007 Oidium monilioides (Nees) Link: Fries USA: Massachusetts Jamaica Plain C. H. Clarke 1885-10
Neckeraceae FH: 00847061 Neckera pennata Hedwig USA: New Hampshire [no additional data] C. H. Clarke 1899-6-8
FH: 00847062 Neckera pennata Hedwig USA: New Hampshire [no additional data] C. H. Clarke 1903-10-3
FH: 00847063 Neckera pennata Hedwig USA: New Hampshire Manchester: [no additional data] C. H. Clarke 1901-11-11
Orthotrichaceae FH: 00796058 Drummondia sinensis Müller Halle USA: Massachusetts Barre: [no additional data] C. H. Clarke 1904-9-1
FH: 00796059 Drummondia sinensis Müller Halle USA: Massachusetts Barre: [no additional data] C. H. Clarke 1904-9-1
FH: 00796060 Drummondia sinensis Müller Halle USA: New Hampshire Tamworth: [no additional data] C. H. Clarke
NEBC: 00825847 Orthotrichum affine Schrader ex Bridel USA: New Hampshire Tamworth: [no additional data] C. H. Clarke 1907-10-6
FH: 00885786 Ulota crispa (Hedwig) Bridel USA: Massachusetts Magnolia: [no additional data] C. H. Clarke 1906-4-15
FH: 00885787 Ulota crispa (Hedwig) Bridel USA: Massachusetts Gloucester: [no additional data] C. H. Clarke 1904-7-16
FH: 00885788 Ulota crispa (Hedwig) Bridel USA: Massachusetts Magnolia: [no additional data] C. H. Clarke 1901-10-7
FH: 00885789 Ulota crispa (Hedwig) Bridel USA: New Hampshire Tamworth: [no additional data] C. H. Clarke 1894-6
FH: 00885790 Ulota crispa (Hedwig) Bridel USA: Massachusetts Gloucester: [no additional data] C. H. Clarke 1903-8-13
FH: 00885791 Ulota crispa (Hedwig) Bridel USA: Massachusetts Magnolia: [no additional data] C. H. Clarke 1905-11-17
Pallaviciniaceae FH: 01135539 Pallavicinia lyellii (Hooker) Gray USA: Massachusetts Magnolia: [data not captured] C. H. Clarke 1899-8-28
Parmeliaceae FH: 00442816 Letharia columbiana (Nuttall) J. W. Thomson USA: California [data not captured] C. H. Clarke
FH: 00493713 Usnea glabrata (Acharius) Vainio USA: California [data not captured] C. H. Clarke
Pelliaceae FH: 00508225 Pellia fabroniana Raddi USA: Massachusetts Magnolia: [data not captured] C. H. Clarke 1899-8-28
Pezizaceae FH: 00464021 Lasiobolus sp. USA: Massachusetts Boston: Jamaica Plain C. H. Clarke 2334 1889-3
Phyllophoraceae FH: 00777068 Actinococcus peltaeformis F. Schmitz USA: Massachusetts [data not captured] C. H. Clarke 1895-8
FH: 00777072 Actinococcus subcutaneus (Lyngbye ex Hornemann) Rosenvinge USA: Massachusetts Magnolia: [no additional data] C. H. Clarke 1900-12-8
FH: 01122566 Phyllophora brodiei (Turner) Endlicher USA: Massachusetts Cohasset: [no additional data] C. H. Clarke
FH: 01122572 Phyllophora brodiei (Turner) Endlicher USA: Massachusetts Magnolia: [no additional data] C. H. Clarke
FH: 01122557 Phyllophora membranifolia (Goodenough & Woodward) J. Agardh USA: Massachusetts Magnolia: [no additional data] C. H. Clarke
Plagiotheciaceae NEBC: 00849045 Plagiothecium denticulatum (Hedwig) Schimper USA: Massachusetts Prides Crossing: [no additional data] C. H. Clarke 1905-11-26
NEBC: 00849047 Plagiothecium denticulatum (Hedwig) Schimper USA: Massachusetts Sudbury: [no additional data] C. H. Clarke
Plantaginaceae GH: 00582029 Plantago aristata Michaux USA: Massachusetts Rockport: Rockport C. H. Clarke 1906-9-6
Poaceae NEBC: 00737342 Dichanthelium acuminatum fasciculatum (Torrey) Freckmann & Lelong USA: Massachusetts Gloucester: Gloucester C. H. Clarke 1907
NEBC: 00878720 Glyceria borealis (Nash) Batchelder USA: Massachusetts Gloucester: Gloucester C. H. Clarke 1912-7-1
NEBC: 01149083 Glyceria grandis S. Watson USA: Massachusetts Gloucester: Gloucester C. H. Clarke 1912
Polyidaceae FH: 00976430 Polyides rotunda (Hudson) Gaillon USA: Massachusetts Cape Ann: [no additional data] C. H. Clarke
FH: 00976431 Polyides rotunda (Hudson) Gaillon USA: Massachusetts Nahant: [no additional data] C. H. Clarke 1890-5-22
Polyporaceae FH: 00590914 Lenzites betulinus (Linnaeus) Fries: Fries USA: Pennsylvania [data not captured] C. H. Clarke 6
Polytrichaceae FH: 00522243 Atrichum angustatum (Bridel) Bruch & Schimper USA: Massachusetts Barre: [data not captured] C. H. Clarke 1904-10
FH: 00522244 Atrichum angustatum (Bridel) Bruch & Schimper USA: Massachusetts Riverside: [no additional data] C. H. Clarke 1903-3-4
FH: 00522245 Atrichum angustatum (Bridel) Bruch & Schimper USA: Massachusetts Magnolia: [data not captured] C. H. Clarke 1905-8-1
Portulacaceae GH: 01858279 Cistanthe monosperma (Greene) Hershkovitz USA: California Mohave Desert C. H. Clarke 1902-10
Ptiloteae FH: 01122629 Plumaria elegans (Bonnemaison) F. Schmitz USA: Massachusetts Magnolia: [no additional data] C. H. Clarke
FH: 01122630 Plumaria elegans (Bonnemaison) F. Schmitz USA: [no additional data] C. H. Clarke 1889-7-13
FH: 01122601 Ptilota serrata Kützing USA: [no additional data] C. H. Clarke
FH: 01122602 Ptilota serrata Kützing USA: [no additional data] C. H. Clarke 1889-9
Rhytidiaceae NEBC: 00839373 Loeskeobryum brevirostre (Bridel) M. Fleischer ex Brotherus USA: Massachusetts Gloucester: Magnolia C. H. Clarke 1903-3-13
FH: 00900759 Rhytidiadelphus triquetrus (Hedwig) Warnstorf USA: Maine [data not captured] C. H. Clarke 1902-5
FH: 00900760 Rhytidiadelphus triquetrus (Hedwig) Warnstorf USA: New Hampshire Tamworth: [data not captured] C. H. Clarke
FH: 00900761 Rhytidiadelphus triquetrus (Hedwig) Warnstorf USA: Massachusetts Magnolia: [no additional data] C. H. Clarke 1902-4-4
FH: 00900762 Rhytidiadelphus triquetrus (Hedwig) Warnstorf USA: New Hampshire Tamworth: [no additional data] C. H. Clarke 1899-6
FH: 00900763 Rhytidiadelphus triquetrus (Hedwig) Warnstorf USA: Massachusetts Prides Crossing: [no additional data] C. H. Clarke 1902-8-26
Scapaniaceae FH: 00511034 Scapania nemorosa Dumortier USA: Massachusetts Magnolia: [data not captured] C. H. Clarke 28 1900-9
FH: 00511331 Scapania undulata (Linnaeus) Dumortier USA: Massachusetts Magnolia: [no additional data] C. H. Clarke 36 1899-8-17
FH: 00511334 Scapania undulata (Linnaeus) Dumortier USA: Massachusetts Magnolia: [no additional data] C. H. Clarke 9
Sematophyllaceae FH: 00921165 Sematophyllum adnatum (Michaux) E. Britton USA: Pennsylvania [data not captured] C. H. Clarke 1899-3-2
Solieriaceae FH: 00777178 Agardhiella subulata (C.Agardh) Kraft & M.J.Wynne USA: Massachusetts Weymouth: [no additional data] C. H. Clarke 1896-9-29
FH: 00777179 Agardhiella subulata (C.Agardh) Kraft & M.J.Wynne USA: Massachusetts Weymouth: [no additional data] C. H. Clarke 1896-9-29
FH: 00777180 Agardhiella subulata (C.Agardh) Kraft & M.J.Wynne USA: Massachusetts Weymouth: [no additional data] C. H. Clarke 1896-9-29
FH: 00777181 Agardhiella subulata (C.Agardh) Kraft & M.J.Wynne USA: Massachusetts Weymouth: [no additional data] C. H. Clarke 1896-9-29
Sphagnaceae NEBC: 00925269 Sphagnum squarrosum Crome USA: Massachusetts Magnolia: [data not captured] C. H. Clarke 1903-3-13
Thuidiaceae FH: 00537473 Anomodon rostratus (Hedwig) Schimper USA: Pennsylvania [data not captured] C. H. Clarke 1899-3-3
FH: 00836836 Helodium paludosum (Austin) Brotherus USA: Massachusetts Beverly: [data not captured] C. H. Clarke 1902-8-9
FH: 00836837 Helodium paludosum (Austin) Brotherus USA: Massachusetts Magnolia: [no additional data] C. H. Clarke 1899-9-25
FH: 00836838 Helodium paludosum (Austin) Brotherus USA: Massachusetts Wellesley: [data not captured] C. H. Clarke 1905-6-9
FH: 00836839 Helodium paludosum (Austin) Brotherus USA: Massachusetts Magnolia: [data not captured] C. H. Clarke 1902-6-16
FH: 00902593 Rauiella scita (P. Beauvois) Reimers USA: Massachusetts Beverly: [data not captured] C. H. Clarke 1905-11-24
FH: 00902594 Rauiella scita (P. Beauvois) Reimers USA: New Hampshire [no additional data] C. H. Clarke 1904-10-3
FH: 00902595 Rauiella scita (P. Beauvois) Reimers USA: Massachusetts Middlesex Fells [Reservation] C. H. Clarke
Tremellaceae FH: 00486401 Exidia nucleata (Schweinitz) Burt USA: Massachusetts Boston: Jamaica Plain C. H. Clarke 1889
Usneaceae FH: 00477167 Ramalina menziesii Taylor USA: California [data not captured] C. H. Clarke
