Scientific Name Collected By Identified By Date Collected Date Identified Family Institution Catalog Number Type Status
collected Carex greenwayi Nelmes Volkens,G. 1893-10-21 Cyperaceae B B 10 0240049 type
collected Cyperus glaucophyllus Boeckeler Volkens,G. 1899-08-15 Cyperaceae B B 10 0278304 syntype
collected Cyperus glaucophyllus Boeckeler Volkens,G. H. J. Beentje 1893-08-15 Cyperaceae B B 10 0278303 syntype
collected Carex petitiana A.Rich. Volkens, G. Verdcourt, B. 1894-00-00 2005-10-18 Cyperaceae K K000363582 isotype
collected Carex vallis-rosetto K.Schum. var. purpurea Kük. Volkens, G. Verdcourt, B. 1893-11-00 2005-10-13 Cyperaceae K K000363444 isosyntype
collected Carex vallis-rosetto K.Schum. var. purpurea Kük. Volkens, G. Verdcourt, B. 1893-10-00 2005-10-13 Cyperaceae K K000363445 isosyntype
collected Carex petitiana A.Rich. Volkens, G. Verdcourt, B. 1894-00-00 2005-10-18 Cyperaceae K K000363591 holotype
collected Cyperus haspan L. Volkens,G. Beentje 1894-05-08 Cyperaceae B B 10 0278627 holotype
collected Cyperus phaeorrhizus K.Schum. Volkens, G. 1894-05-00 Cyperaceae K K000321433 Unknown type material
collected Cyperus maranguensis K.Schum. Volkens, G. 1893-07-00 Cyperaceae K K000321423 Unknown type material
collected Cyperus maranguensis K.Schum. Volkens G. 1893-07 Cyperaceae BR BR0000008639127 Type of Cyperus maranguensis K.Schum.
collected Cyperus phaeorhizus K.Schum. Georg Ludwig August Volkens 1894 Cyperaceae NHMUK BM013718435 TYPE
collected Pycreus nigricans (Steud.) C.B.Clarke Georg Ludwig August Volkens Kim Hoenselaar Cyperaceae NHMUK BM001191083 Lectotype
collected Ficinia filiformis (Lam.) Schrad. Volkens G. 1894-02 Cyperaceae BR BR0000005539567 Isotype of Scirpus leucocoleus K.Schum.
collected Schoenus triangularis G. Volkens 1899 Cyperaceae US 775974 Isotype
collected Cyperus kerstenii Boeckeler Volkens G. 1894-01 Cyperaceae BR BR0000005616657 Isosyntype of Cyperus vaginatissimus K.Schum.
collected Carex greenwayi Nelmes Georg Ludwig August Volkens Marcial Escudero 1893 Cyperaceae NHMUK BM000898002 Isosyntype
collected Carex greenwayi Nelmes Georg Ludwig August Volkens Marcial Escudero 1893 Cyperaceae NHMUK BM000898003 Isolectotype
collected Cyperus maranguensis K.Schum. Georg Ludwig August Volkens 1893 Cyperaceae NHMUK BM013718432 ISOTYPE
collected Mariscus kerstenii (Boeckeler) C.B.Clarke Georg Ludwig August Volkens Charles Baron Clarke 1893 Cyperaceae NHMUK BM013718465 ISOSYNTYPE
collected Mariscus kerstenii (Boeckeler) C.B.Clarke Georg Ludwig August Volkens Charles Baron Clarke 1894 Cyperaceae NHMUK BM013718466
collected Cyperus esculentus var. esculentus L. Georg Ludwig August Volkens P Schippers 1894 Cyperaceae NHMUK BM001118239
collected Schoenus calostachyus (R.Br.) Poir. Volkens, G.L.A. Wilson 1899-11/1900-6 Cyperaceae MNHN P00585268
collected Cyperus glaucophyllus Boeckeler Volkens, G.L.A. Beentje, H.J. 1893-07-00 2009-00-00 Cyperaceae K K001089542
collected Pycreus nigricans (Steud.) C.B.Clarke Volkens, G.L.A. Hoenselaar, K. 1894-03-00 2005-02-00 Cyperaceae K K000960551
collected Cyperus glaucophyllus Boeckeler Volkens, G.L.A. Beentje, H.J. 1893-07-00 2009-00-00 Cyperaceae K K001089543
collected Carex johnstonii Boeck. Volkens, G. Clarke, C.B. 1893-00-00 1895-03-25 Cyperaceae K K000363449
collected Ficinia filiformis (Lam.) Schrad. Volkens, G. Clarke, C.B. 1894-02-00 1895-03-23 Cyperaceae K K000416434
collected Fimbristylis tristachya G. Volkens 1899 Cyperaceae US 775533
collected Rhynchospora rubra G. Volkens 1899 Cyperaceae US 617485