Zygnemataceae FH: 00890404  Craterospermum laetevirens  A. Braun Germany: Bavaria [data not captured]   E. F. H. Itzigsohn & H. A. Rothe  1855-10 
 FH: 00890390  Mesocarpus intricatus  (Hassall) Hassall Germany: Saxony Leipzig: [data not captured]   O. Bulnheim   
 FH: 00302945  Mesocarpus nummuloides  (Hassall) Hassall USA: Massachusetts Malden: Middlesex County   F. S. Collins  1894-5-13 
 FH: 00890578  Mesocarpus pleurocarpus
 FH: 00890578  Mesocarpus pleurocarpus  de Bary Germany: Hesse [data not captured]   Hantzsch  1861-7 
 FH: 00876265  Mougeotia elongata  T. Sprée Netherlands:  [data not captured]   T. Sprée   
 FH: 00890776  Mougeotia gracilis  (Reinsch) Czurda Germany: Saxony [data not captured]   [no data available]  1860-3 
 FH: 00890778  Mougeotia gracilis  (Reinsch) Czurda Switzerland:  [data not captured]   B. Wartmann   
 FH: 00302945  Mougeotia nummuloides  (Hassall) De Toni USA: Massachusetts Malden: Middlesex County   F. S. Collins  1894-5-13 
 : 00989312  Mougeotia sp.
 : 00989312  Mougeotia sp.   :       
 : 00989322  Mougeotia sp.
 : 00989322  Mougeotia sp.   :       
 : 00989327  Mougeotia sp.
 : 00989327  Mougeotia sp.   :       
 FH: 00989287  Mougeotia sp.
 FH: 00989287  Mougeotia sp.   Canada: Nunavut Cape Dorest, Baffin Island   N. Polunin  1934-8-28 
 FH: 00989298  Mougeotia sp.
 FH: 00989298  Mougeotia sp.   Canada: Nunavut Lake Harbour, Baffin Island   N. Polunin  1936-8-27 
 FH: 00989526  Mougeotia sp.
 FH: 00989526  Mougeotia sp.   Canada: Quebec Province Port Harrison   N. Polunin  1936-8-9 
 FH: 00989529  Mougeotia sp.
 FH: 00989529  Mougeotia sp.   Canada: Quebec Province Port Harrison   R. M. Whelden  1936-8-9 
 FH: 00989530  Mougeotia sp.
 FH: 00989530  Mougeotia sp.   Canada: Quebec Province Waskeham Bay (Stupart's)   N. Polunin  1936-7-29 
 FH: 00989771  Mougeotia sp.
 FH: 00989771  Mougeotia sp.   Canada: Quebec Province Wakeham (Stupart's) Bay   N. Polunin  1936-7-29 
 FH: 00989780  Mougeotia sp.
 FH: 00989780  Mougeotia sp.   Canada: Quebec Province Cape Smith   N. Polunin  1936-8-3 
 FH: 00989847  Mougeotia sp.
 FH: 00989847  Mougeotia sp.   Canada: Nunavut Lake Harbor   N. Polunin  1936-7-28 
 FH: 00989859  Mougeotia sp.   Canada: Nunavut Port Burwell   N. Polunin  1936-9-25 
 FH: 00989862  Mougeotia sp.   Canada: Nunavut Clyde River   N. Polunin  1936-9-15 
 FH: 00989866  Mougeotia sp.   Canada: Nunavut Clyde River   N. Polunin  1936-9-13 
 FH: 00890430  Sirogonium braunii
 FH: 00890430  Sirogonium braunii  Kützing Netherlands: Friesland [data not captured]   T. Sprée   
 FH: 00890871  Spirogyra adnata  (Vaucher) Kützing Germany:  [data not captured]   E. Stitzenberger   
 FH: 00890933  Spirogyra arcta  (C.Agardh) Endlichter Germany: Bavaria [data not captured]   P. F. Reinsch  1864-3-25 
 FH: 00876290  Spirogyra arcta  (C.Agardh) Endlichter Germany: Saxony [data not captured]   Hantzsch  1860-4 
 FH: 00302950  Spirogyra catenaeformis  (Hassall) Kützing USA: Massachusetts Melrose: [Middlesex Fells Reservation]   F. S. Collins 2345 1892-5-5 
 FH: 00876282  Spirogyra communis
 FH: 00876282  Spirogyra communis  (Hassall) Kützing Germany: Baden-Württemberg [data not captured]   K. A. Kemmler  1860-5 
 FH: 00302949  Spirogyra crassa  (Kützing) Kützing USA: Massachusetts Beaver Brook: Middlesex County   F. S. Collins  1894-8-26 
 FH: 00876164  Spirogyra decimina flavicans
 FH: 00876164  Spirogyra decimina flavicans Kutzing Germany: Saxony [data not captured]   [no data available]  1852-5-5 
 FH: 00876164  Spirogyra flavicans  Kützing Germany: Saxony [data not captured]   [no data available]  1852-5-5 
 FH: 00302948  Spirogyra grevilleana  (Hassall) Kützing USA: Massachusetts Medford: [Middlesex Fells Reservation]   F. S. Collins  1894-4-28 
 FH: 00989355  Spirogyra hassallii
 FH: 00989355  Spirogyra hassallii  (Jenner) P. Crouan & H. Crouan Canada: Manitoba Churchill:    N. Polunin  1936-8-16 
 FH: 00890773  Spirogyra heeriana
 FH: 00890773  Spirogyra heeriana  Nägeli Italy: Liguria [data not captured]   F. Baglietto  1859-9 
 FH: 00989523  Spirogyra inflata foveolata Transeau Canada: Quebec Province Wakeham Bay, (Stupart's)   N. Polunin  1936-7-29 
 FH: 00302942  Spirogyra inflata
 FH: 00302942  Spirogyra inflata  (Vaucher) Dumortier USA: Massachusetts Malden: Middlesex Fells   F. S. Collins  1892-6-5 
 FH: 00890501  Spirogyra insignis
 FH: 00890501  Spirogyra insignis  (Hassall) Kützing Netherlands:  [data not captured]   T. Sprée  1856-10-15 
 FH: 00302943  Spirogyra insignis hantzschii (Rabenhorst) P. Petit USA: Massachusetts Melrose: [Middlesex Fells Reservation]   F. S. Collins  1896-5-16 
 FH: 00302944  Spirogyra insignis hantzschii
 FH: 00302944  Spirogyra insignis hantzschii (Rabenhorst) P. Petit USA: Massachusetts Melrose: [Middlesex Fells Reservation]   F. S. Collins 2840 1894-5-4 
 FH: 00890853  Spirogyra jugalis
 FH: 00890853  Spirogyra jugalis  (Dillwyn) Kützing Netherlands: Gelderland [data not captured]   T. Sprée   
 NEBC: 00909482  Spirogyra jugalis  (Dillwyn) Kützing USA: Connecticut Oxford: [data not captured]   E. B. Harger  1895-9-21 
 NEBC: 00909485  Spirogyra jugalis  (Dillwyn) Kützing USA: Connecticut Oxford: [data not captured]   E. B. Harger  1896-8 
 FH: 00867141  Spirogyra maxima  (Hassall) Wittrock USA: Wyoming Nez Perce Creek. Yellowstone Park.   A. Nelson  1899-8-1 
 FH: 00876283  Spirogyra mirabilis  (Hassall) Kützing Germany: Baden-Württemberg [data not captured]   K. A. Kemmler  1860-6 
 FH: 00890852  Spirogyra mirabilis  (Hassall) Kützing Netherlands: Gelderland [data not captured]   Hantzsch   
 FH: 00890932  Spirogyra nitida  (Dillwyn) Link Germany:  [data not captured]   P. F. Reinsch  1864-10 
 FH: 00876134  Spirogyra olivascens  Rabenhorst Germany: Saxony [data not captured]   [no data available]  1852-6-13 
 FH: 00867141  Spirogyra orbicularis  Kützing USA: Wyoming Nez Perce Creek. Yellowstone Park.   A. Nelson  1899-8-1 
 FH: 00867140  Spirogyra orbicularis  Kützing USA: Maine Cornish: Little River   [no data available]  1896 
 FH: 00867142  Spirogyra orbicularis  Kützing USA: Wyoming [data not captured]   A. Nelson & E. E. Nelson 6239 1899-7-30 
 FH: 00890503  Spirogyra orthospira  Nägeli Germany: Saxony [data not captured]   H. A. De Bary  1857-6 
 FH: 00890549  Spirogyra orthospira  Nägeli Switzerland:  [data not captured]   B. Wartmann  1861-4-25 
 FH: 00302947  Spirogyra quadrata  (Hassall) P. Petit USA: Massachusetts Melrose: [Middlesex Fells Reservation]   F. S. Collins  1892-5-5 
 FH: 00876108  Spirogyra quinina
 FH: 00876108  Spirogyra quinina  Kützing Myanmar:  [data not captured]   [no data available]   
 FH: 00890502  Spirogyra rivularis  (Hassall) Rabenhorst Netherlands: Gelderland [data not captured]   T. Sprée  1857-8 
 : 00989294  Spirogyra sp.   :       
 : 00989328  Spirogyra sp.
 : 00989328  Spirogyra sp.   :       
 FH: 00989322  Spirogyra sp.
 FH: 00989322  Spirogyra sp.   Canada: Nunavut Pond Inlet, Baffin Island   N. Polunin  1936-9-4 
 FH: 00989339  Spirogyra sp.
 FH: 00989339  Spirogyra sp.   Canada: Northwest Territories Chesterfield   N. Polunin  1936-8-16 
 FH: 00989523  Spirogyra sp.
 FH: 00989523  Spirogyra sp.   Canada: Quebec Province Wakeham Bay, (Stupart's)   N. Polunin  1936-7-29 
 FH: 00989840  Spirogyra sp.
 FH: 00989840  Spirogyra sp.   Canada: Nunavut Pond's Inlet   N. Polunin  1936-9-4 
 FH: 00989843  Spirogyra sp.   Canada: Nunavut Arctic Bay   N. Polunin  1936-9-9 
 FH: 00890936  Spirogyra sp.   Germany: Bavaria [data not captured]   P. F. Reinsch  1864-10-19 
 FH: 00302946  Spirogyra spreeiana  Rabenhorst USA: Massachusetts Medford: [Middlesex Fells Reservation]   F. S. Collins  1894-5-11 
 FH: 00890430  Spirogyra stictica
 FH: 00890430  Spirogyra stictica  (Smith) Wille Netherlands: Friesland [data not captured]   T. Sprée   
 FH: 00890651  Spirogyra theobaldii  Kützing Germany: Saxony [data not captured]   W. Hilse   
 FH: 00876290  Spirogyra torulosa  Kützing Germany: Saxony [data not captured]   Hantzsch  1860-4 
 FH: 00890500  Spirogyra weberi  Kützing Poland:  [data not captured]   Hilse   
 FH: 00890934  Staurospermum sp.   Germany: Bavaria [data not captured]   P. F. Reinsch  1864-4-24 
 FH: 00876133  Zygnema aequale  (Kützing) De Toni Germany: Saxony [data not captured]   [no data available]  1852-6-6 
 FH: 00989780  Zygnema collinsianum  Transeau Canada: Quebec Province Cape Smith   N. Polunin  1936-8-3 
 FH: 00302974  Zygnema cruciatum
 FH: 00302974  Zygnema cruciatum  (Vaucher) C. Agardh USA: Massachusetts Medford: [Middlesex Fells Reservation]   F. S. Collins  1892-5-12 
 : 00989533  Zygnema cyanosporum
 : 00989533  Zygnema cyanosporum  Cleve :       
 FH: 00989771  Zygnema cyanosporum
 FH: 00989771  Zygnema cyanosporum  Cleve Canada: Quebec Province Wakeham (Stupart's) Bay   N. Polunin  1936-7-29 
 FH: 00876132  Zygnema ericetorum
 FH: 00876132  Zygnema ericetorum  (Kützing) Hansgirg Germany: Saxony [data not captured]   [no data available]  1852-6-13 
 FH: 00876220  Zygnema ericetorum terrestre (Kirchner) De Toni Poland:  [data not captured]    E. F. H. Itzigsohn & H. A. Rothe  1852-3 
 FH: 00302967  Zygnema insigne  (Hassall) Kützing USA: Massachusetts Medford: [Middlesex Fells Reservation]   F. S. Collins  1903-4-26 
 FH: 00989320  Zygnema leiospermum
 FH: 00989320  Zygnema leiospermum  de Bary Canada: Quebec Province Wolstenholme, P.Q., South Shore of Hudson St...  N. Polunin  1936-8-24 
 FH: 00890504  Zygnema leiospermum
 FH: 00890504  Zygnema leiospermum  de Bary Germany: Saxony [data not captured]   H. A. De Bary  1857-5 
 FH: 00890924  Zygnema pectinatum anomalum (Ralfs ex Hassall) De Toni Germany: Bavaria [data not captured]   P. F. Reinsch  1864-4-10 
 FH: 00989522  Zygnema peliosporum  Wittrock Canada: Manitoba Churchill   N. Polunin  1936-8-20 
 : 00989282  Zygnema sp.
 : 00989282  Zygnema sp.   :       
 : 00989291  Zygnema sp.
 : 00989291  Zygnema sp.   :       
 : 00989311  Zygnema sp.
 : 00989311  Zygnema sp.   :       
 : 00989322  Zygnema sp.
 : 00989322  Zygnema sp.   :       
 : 00989333  Zygnema sp.
 : 00989333  Zygnema sp.   :       
 : 00989782  Zygnema sp.
 : 00989782  Zygnema sp.   :       
 FH: 00989268  Zygnema sp.
 FH: 00989268  Zygnema sp.   Canada: Nunavut Arctic Bay, Baffin Island   N. Polunin  1936-9-8 
 FH: 00989271  Zygnema sp.
 FH: 00989271  Zygnema sp.   Canada: Nunavut Pond Inlet, Baffin Island   N. Polunin  1936-9-4 
 FH: 00989275  Zygnema sp.
 FH: 00989275  Zygnema sp.   Canada: Nunavut Arctic Bay, Baffin Island   N. Polunin  1936-9-8 
 FH: 00989279  Zygnema sp.
 FH: 00989279  Zygnema sp.   Canada: Nunavut Arctic Bay, Baffin Island   N. Polunin  1936-9-8 
 FH: 00989287  Zygnema sp.
 FH: 00989287  Zygnema sp.   Canada: Nunavut Cape Dorest, Baffin Island   N. Polunin  1934-8-28 
 FH: 00989288  Zygnema sp.
 FH: 00989288  Zygnema sp.   Canada: Nunavut Port Burwell, South Shore of Hudson Strait   N. Polunin  1936-7-23 
 FH: 00989292  Zygnema sp.
 FH: 00989292  Zygnema sp.   Canada: Newfoundland & Labrador Labrador: Burwell, South Shore of Hudson Str...  N. Polunin  1936-7-23 
 FH: 00989310  Zygnema sp.
 FH: 00989310  Zygnema sp.   Canada: Nunavut Pond Inlet, Baffin Island   N. Polunin  1936-9-4 
 FH: 00989312  Zygnema sp.
 FH: 00989312  Zygnema sp.   Canada: Nunavut Dundas Harbour, Devon Island   N. Polunin  1936-9-7 
 FH: 00989315  Zygnema sp.
 FH: 00989315  Zygnema sp.   Canada: Nunavut Pond Inlet, Baffin Island   N. Polunin  1936-9-4 
 FH: 00989317  Zygnema sp.
 FH: 00989317  Zygnema sp.   Canada: Nunavut Ellesmere Island: Craig Harbour   N. Polunin  1936-9-5 
 FH: 00989318  Zygnema sp.
 FH: 00989318  Zygnema sp.   Canada: Nunavut Arctic Bay, Baffin Island   N. Polunin  1936-9-8 
 FH: 00989321  Zygnema sp.
 FH: 00989321  Zygnema sp.   Canada: Nunavut Pond Inlet, Baffin Island   N. Polunin  1936-9-4 
 FH: 00989326  Zygnema sp.
 FH: 00989326  Zygnema sp.   Canada: Nunavut Arctic Bay, Baffin Island   N. Polunin  1936-9-8 
 FH: 00989327  Zygnema sp.
 FH: 00989327  Zygnema sp.   Canada: Nunavut Lake Harbour, Baffin Island   N. Polunin  1936-8-27 
 FH: 00989339  Zygnema sp.
 FH: 00989339  Zygnema sp.   Canada: Northwest Territories Chesterfield   N. Polunin  1936-8-16 
 FH: 00989353  Zygnema sp.
 FH: 00989353  Zygnema sp.   Canada: Northwest Territories Chesterfield   N. Polunin  1936-8-20 
 FH: 00989355  Zygnema sp.
 FH: 00989355  Zygnema sp.   Canada: Manitoba Churchill:    N. Polunin  1936-8-16 
 FH: 00989357  Zygnema sp.
 FH: 00989357  Zygnema sp.   Canada: Quebec Province Wakeham Bay   N. Polunin  1936-7-29 
 FH: 00989523  Zygnema sp.
 FH: 00989523  Zygnema sp.   Canada: Quebec Province Wakeham Bay, (Stupart's)   N. Polunin  1936-7-29 
 FH: 00989526  Zygnema sp.
 FH: 00989526  Zygnema sp.   Canada: Quebec Province Port Harrison   N. Polunin  1936-8-9 
 FH: 00989529  Zygnema sp.
 FH: 00989529  Zygnema sp.   Canada: Quebec Province Port Harrison   R. M. Whelden  1936-8-9 
 FH: 00989530  Zygnema sp.
 FH: 00989530  Zygnema sp.   Canada: Quebec Province Waskeham Bay (Stupart's)   N. Polunin  1936-7-29 
 FH: 00989531  Zygnema sp.
 FH: 00989531  Zygnema sp.   Canada: Quebec Province Wakeham Bay (Stupart's)   N. Polunin  1936-7-30 
 FH: 00989771  Zygnema sp.
 FH: 00989771  Zygnema sp.   Canada: Quebec Province Wakeham (Stupart's) Bay   N. Polunin  1936-7-29 
 FH: 00989773  Zygnema sp.
 FH: 00989773  Zygnema sp.   Canada: Quebec Province Vial #109; Sugluk   N. Polunin  1936-7-31 
 FH: 00989777  Zygnema sp.
 FH: 00989777  Zygnema sp.   Canada: Quebec Province Wakeham (Stupart's) Bay   N. Polunin  1936-7-29 
 FH: 00989781  Zygnema sp.
 FH: 00989781  Zygnema sp.   Canada: Nunavut Lake Harbour   N. Polunin  1936-7-26 
 FH: 00989784  Zygnema sp.
 FH: 00989784  Zygnema sp.   Canada: Quebec Province Wolstenholme   N. Polunin  1936-8-1 
 FH: 00989789  Zygnema sp.
 FH: 00989789  Zygnema sp.   Canada: Nunavut Dundas Harbor   N. Polunin  1936-9-7 
 FH: 00989840  Zygnema sp.
 FH: 00989840  Zygnema sp.   Canada: Nunavut Pond's Inlet   N. Polunin  1936-9-4 
 FH: 00989842  Zygnema sp.   Canada: Nunavut Lake Harbour   N. Polunin  1936-7-28 
 FH: 00989843  Zygnema sp.   Canada: Nunavut Arctic Bay   N. Polunin  1936-9-9 
 FH: 00989845  Zygnema sp.   Canada: Nunavut Lake Harbour   N. Polunin  1936-7-7 
 FH: 00989847  Zygnema sp.   Canada: Nunavut Lake Harbor   N. Polunin  1936-7-28 
 FH: 00989849  Zygnema sp.   Canada: Nunavut Cape Dorset   N. Polunin  1936-8-25 
 FH: 00989850  Zygnema sp.   Canada: Nunavut Dundas Harbour   N. Polunin  1936-9-7 
 FH: 00989851  Zygnema sp.   Canada: Nunavut Clyde   N. Polunin  1936-9-15 
 FH: 00989852  Zygnema sp.   Canada: Nunavut Clyde    N. Polunin  1936-9-15 
 FH: 00989853  Zygnema sp.   Canada: Nunavut Clyde   N. Polunin  1936-9-15 
 FH: 00989854  Zygnema sp.   Canada: Nunavut Clyde   N. Polunin  1936-9-15 
 FH: 00989857  Zygnema sp.   Canada: Nunavut Clyde River   R. M. Whelden  1936-9-18 
 FH: 00989860  Zygnema sp.   Canada: Nunavut Clyde River   N. Polunin  1936-9-15 
 FH: 00989862  Zygnema sp.   Canada: Nunavut Clyde River   N. Polunin  1936-9-15 
 FH: 00989866  Zygnema sp.   Canada: Nunavut Clyde River   N. Polunin  1936-9-13 
 FH: 00989898  Zygnema sp.
 FH: 00989898  Zygnema sp.   Canada: Manitoba Churchill     1936-8-20 
 FH: 00890640  Zygnema stagnale
 FH: 00890640  Zygnema stagnale  (Hassall) Kützing Poland: Wroclaw [data not captured]   W. Hilse  1864-6-12 
 FH: 00876165  Zygnema stellinum  (Vaucher) C. Agardh Germany: Saxony [data not captured]   [no data available]  1852-5-5 
 FH: 00890505  Zygnema stellinum vaucherii (C. Agardh) Kirchner Germany: Bavaria [data not captured]   J. A. P. Hepp   
 FH: 00858811  Zygnema stellinum  (Vaucher) C. Agardh Japan:  Honshu: Gono-ike, Karuno-mura, Ibaraki-ken   Y. Okada  1942-7-25 
 FH: 00890640  Zygnema stellinum stagnale (Hassall) Kirchner Poland: Wroclaw [data not captured]   W. Hilse  1864-6-12 
 FH: 00302973  Zygnema stellinum  (Vaucher) C. Agardh USA: Massachusetts Malden: Middlesex County   F. S. Collins  1884-5-18 
 FH: 00890505  Zygnema vaucheri
 FH: 00890505  Zygnema vaucheri  C. Agardh Germany: Bavaria [data not captured]   J. A. P. Hepp   
 FH: 00876004  Zygogonium aequale  Kützing Poland: Wroclaw [data not captured]   Hilse  1862 
 FH: 00890924  Zygogonium anomalum  Kützing Germany: Bavaria [data not captured]   P. F. Reinsch  1864-4-10 
 FH: 00876132  Zygogonium didymum  Rabenhorst Germany: Saxony [data not captured]   [no data available]  1852-6-13 
 FH: 00876133  Zygogonium saxonicum  Rabenhorst Germany: Saxony [data not captured]   [no data available]  1852-6-6