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| Name | Higher Taxonomy | Type Status | ANSP # |
| Cymbella affinis | DH200843 GC61617a |
| Country | State/Province | County | Locality Details | |
| United States of America | Arkansas | Independence |
| Lat. | Long. | Coord. Source | Collector | Date | Conservation State | |
| R. R. Grant. | 1974 |
| Name | Higher Taxonomy | Type Status | ANSP # |
| Cymbella affinis | DH200847 GC61621a |
| Country | State/Province | County | Locality Details | |
| United States of America | Arkansas | Independence |
| Lat. | Long. | Coord. Source | Collector | Date | Conservation State | |
| R. R. Grant. | 1974 |
| Name | Higher Taxonomy | Type Status | ANSP # |
| Cymbella affinis | DH200848 GC61622a |
| Country | State/Province | County | Locality Details | |
| United States of America | Arkansas | Independence |
| Lat. | Long. | Coord. Source | Collector | Date | Conservation State | |
| Unknown | 1974 |
| Name | Higher Taxonomy | Type Status | ANSP # |
| Cymbella affinis | DH200849 GC61623a |
| Country | State/Province | County | Locality Details | |
| United States of America | Arkansas | Independence |
| Lat. | Long. | Coord. Source | Collector | Date | Conservation State | |
| Unknown | 1974 |
| Name | Higher Taxonomy | Type Status | ANSP # |
| Cymbella affinis | DH200850 GC61624a |
| Country | State/Province | County | Locality Details | |
| United States of America | Arkansas | Independence |
| Lat. | Long. | Coord. Source | Collector | Date | Conservation State | |
| Unknown | 1974 |
| Name | Higher Taxonomy | Type Status | ANSP # |
| Cymbella affinis | DH200854 GC61628a |
| Country | State/Province | County | Locality Details | |
| United States of America | Arkansas | Independence |
| Lat. | Long. | Coord. Source | Collector | Date | Conservation State | |
| Unknown | 1974 |
| Name | Higher Taxonomy | Type Status | ANSP # |
| Cymbella affinis | DH200855 GC61629a |
| Country | State/Province | County | Locality Details | |
| United States of America | Arkansas | Independence |
| Lat. | Long. | Coord. Source | Collector | Date | Conservation State | |
| Unknown | 1974 |
| Name | Higher Taxonomy | Type Status | ANSP # |
| Cymbella affinis | DH200862 GC61636a |
| Country | State/Province | County | Locality Details | |
| United States of America | Arkansas | Independence |
| Lat. | Long. | Coord. Source | Collector | Date | Conservation State | |
| Unknown | 1974 |
| Name | Higher Taxonomy | Type Status | ANSP # |
| Cymbella affinis | DH200867 GC61641a |
| Country | State/Province | County | Locality Details | |
| United States of America | Arkansas | Independence |
| Lat. | Long. | Coord. Source | Collector | Date | Conservation State | |
| Unknown | 1974 |
| Name | Higher Taxonomy | Type Status | ANSP # |
| Cymbella affinis | DH200868 GC61642a |
| Country | State/Province | County | Locality Details | |
| United States of America | Arkansas | Independence |
| Lat. | Long. | Coord. Source | Collector | Date | Conservation State | |
| Unknown | 1974 |
| Name | Higher Taxonomy | Type Status | ANSP # |
| Cymbella affinis | DH200869 GC61643a |
| Country | State/Province | County | Locality Details | |
| United States of America | Arkansas | Independence |
| Lat. | Long. | Coord. Source | Collector | Date | Conservation State | |
| Unknown | 1974 |
| Name | Higher Taxonomy | Type Status | ANSP # |
| Cymbella affinis | DH200870 GC61644a |
| Country | State/Province | County | Locality Details | |
| United States of America | Arkansas | Independence |
| Lat. | Long. | Coord. Source | Collector | Date | Conservation State | |
| Unknown | 1974 |
| Name | Higher Taxonomy | Type Status | ANSP # |
| Cymbella affinis | DH200872 GC61646a |
| Country | State/Province | County | Locality Details | |
| United States of America | Arkansas | Independence |
| Lat. | Long. | Coord. Source | Collector | Date | Conservation State | |
| Unknown | 1974 |
| Name | Higher Taxonomy | Type Status | ANSP # |
| Cymbella affinis | DH200874 GC61648a |
| Country | State/Province | County | Locality Details | |
| United States of America | Arkansas | Independence |
| Lat. | Long. | Coord. Source | Collector | Date | Conservation State | |
| Unknown | 1974 |
| Name | Higher Taxonomy | Type Status | ANSP # |
| Cymbella affinis | DH200878 GC61651a |
| Country | State/Province | County | Locality Details | |
| United States of America | Arkansas | Independence |
| Lat. | Long. | Coord. Source | Collector | Date | Conservation State | |
| Unknown | 1974 |
| Name | Higher Taxonomy | Type Status | ANSP # |
| Cymbella affinis | DH200881 GC61654a |
| Country | State/Province | County | Locality Details | |
| United States of America | Arkansas | Independence |
| Lat. | Long. | Coord. Source | Collector | Date | Conservation State | |
| Unknown | 1974 |
| Name | Higher Taxonomy | Type Status | ANSP # |
| Cymbella affinis | DH200882 GC61655a |
| Country | State/Province | County | Locality Details | |
| United States of America | Arkansas | Independence |
| Lat. | Long. | Coord. Source | Collector | Date | Conservation State | |
| Unknown | 1974 |
| Name | Higher Taxonomy | Type Status | ANSP # |
| Cymbella affinis | DH200883 GC61656a |
| Country | State/Province | County | Locality Details | |
| United States of America | Arkansas | Independence |
| Lat. | Long. | Coord. Source | Collector | Date | Conservation State | |
| Unknown | 1974 |
| Name | Higher Taxonomy | Type Status | ANSP # |
| Cymbella affinis | DH200885 GC61658a |
| Country | State/Province | County | Locality Details | |
| United States of America | Arkansas | Independence |
| Lat. | Long. | Coord. Source | Collector | Date | Conservation State | |
| Unknown | 1974 |
| Name | Higher Taxonomy | Type Status | ANSP # |
| Cymbella antogaryana | Holotype | DH213071 GC63095 |
| Country | State/Province | County | Locality Details | |
| United States of America | Kansas | Wallace |
| Lat. | Long. | Coord. Source | Collector | Date | Conservation State | |
| Selva, S. |
| Name | Higher Taxonomy | Type Status | ANSP # |
| Cymbella aspera | DH208616 GCM5451(025) |
| Country | State/Province | County | Locality Details | |
| United States of America | Arkansas | Madison |
| Lat. | Long. | Coord. Source | Collector | Date | Conservation State | |
| Czarnecki, David B. | 1979 |
| Name | Higher Taxonomy | Type Status | ANSP # |
| Cymbella cesatii f. schreinfrankii | Holotype | DH213072 GC63096 |
| Country | State/Province | County | Locality Details | |
| United States of America | Kansas | Wallace |
| Lat. | Long. | Coord. Source | Collector | Date | Conservation State | |
| Selva, S. |
| Name | Higher Taxonomy | Type Status | ANSP # |
| Cymbella marcinia | Holotype | DH213072 GC63096 |
| Country | State/Province | County | Locality Details | |
| United States of America | Kansas | Wallace |
| Lat. | Long. | Coord. Source | Collector | Date | Conservation State | |
| Selva, S. |
| Name | Higher Taxonomy | Type Status | ANSP # |
| Cymbella minuta | DH208662 GCM5451(023) |
| Country | State/Province | County | Locality Details | |
| United States of America | Arkansas | Washington |
| Lat. | Long. | Coord. Source | Collector | Date | Conservation State | |
| Czarnecki, David B. | 1979 |
| Name | Higher Taxonomy | Type Status | ANSP # |
| Cymbella minuta var. pseudogracilis | DH208673 GCM5451(086) |
| Country | State/Province | County | Locality Details | |
| United States of America | Arkansas | Washington |
| Lat. | Long. | Coord. Source | Collector | Date | Conservation State | |
| Czarnecki, David B. | 1981 |
| Name | Higher Taxonomy | Type Status | ANSP # |
| Cymbella triangulum | DH208494 GCM5451(012) |
| Country | State/Province | County | Locality Details | |
| United States of America | Arkansas | Benton |
| Lat. | Long. | Coord. Source | Collector | Date | Conservation State | |
| Czarnecki, David B. | 1980 |
| Name | Higher Taxonomy | Type Status | ANSP # |
| Cymbella tumida | DH208612 GCM5451(024) |
| Country | State/Province | County | Locality Details | |
| United States of America | Arkansas | Madison |
| Lat. | Long. | Coord. Source | Collector | Date | Conservation State | |
| Czarnecki, David B. | 1979 |
| Name | Higher Taxonomy | Type Status | ANSP # |
| Cymbella turgida | DH200840 GC61614a |
| Country | State/Province | County | Locality Details | |
| United States of America | Arkansas | Independence |
| Lat. | Long. | Coord. Source | Collector | Date | Conservation State | |
| Unknown | 1974 |
| Name | Higher Taxonomy | Type Status | ANSP # |
| Cymbella turgida | DH200848 GC61622a |
| Country | State/Province | County | Locality Details | |
| United States of America | Arkansas | Independence |
| Lat. | Long. | Coord. Source | Collector | Date | Conservation State | |
| Unknown | 1974 |
| Name | Higher Taxonomy | Type Status | ANSP # |
| Cymbella turgida | DH200854 GC61628a |
| Country | State/Province | County | Locality Details | |
| United States of America | Arkansas | Independence |
| Lat. | Long. | Coord. Source | Collector | Date | Conservation State | |
| Unknown | 1974 |
| Name | Higher Taxonomy | Type Status | ANSP # |
| Cymbella turgida | DH200858 GC61632a |
| Country | State/Province | County | Locality Details | |
| United States of America | Arkansas | Independence |
| Lat. | Long. | Coord. Source | Collector | Date | Conservation State | |
| Unknown | 1974 |
| Name | Higher Taxonomy | Type Status | ANSP # |
| Cymbella turgida | DH200862 GC61636a |
| Country | State/Province | County | Locality Details | |
| United States of America | Arkansas | Independence |
| Lat. | Long. | Coord. Source | Collector | Date | Conservation State | |
| Unknown | 1974 |
| Name | Higher Taxonomy | Type Status | ANSP # |
| Cymbella turgida | DH200866 GC61640a |
| Country | State/Province | County | Locality Details | |
| United States of America | Arkansas | Independence |
| Lat. | Long. | Coord. Source | Collector | Date | Conservation State | |
| Unknown | 1974 |
| Name | Higher Taxonomy | Type Status | ANSP # |
| Cymbella turgida | DH200867 GC61641a |
| Country | State/Province | County | Locality Details | |
| United States of America | Arkansas | Independence |
| Lat. | Long. | Coord. Source | Collector | Date | Conservation State | |
| Unknown | 1974 |
| Name | Higher Taxonomy | Type Status | ANSP # |
| Cymbella turgida | DH200872 GC61646a |
| Country | State/Province | County | Locality Details | |
| United States of America | Arkansas | Independence |
| Lat. | Long. | Coord. Source | Collector | Date | Conservation State | |
| Unknown | 1974 |
| Name | Higher Taxonomy | Type Status | ANSP # |
| Diploneis elliptica | DH200892 GC63235 |
| Country | State/Province | County | Locality Details | |
| United States of America | Arkansas | Benton |
| Lat. | Long. | Coord. Source | Collector | Date | Conservation State | |
| Czarnecki, David B. | 1980 |
| Name | Higher Taxonomy | Type Status | ANSP # |
| Diploneis marginestriata | DH200892 GC63235 |
| Country | State/Province | County | Locality Details | |
| United States of America | Arkansas | Benton |
| Lat. | Long. | Coord. Source | Collector | Date | Conservation State | |
| Czarnecki, David B. | 1980 |
| Name | Higher Taxonomy | Type Status | ANSP # |
| Eunotia zasuminensis | DH200888 GC63220 |
| Country | State/Province | County | Locality Details | |
| United States of America | Arkansas | Conway |
| Lat. | Long. | Coord. Source | Collector | Date | Conservation State | |
| Czarnecki, David B. | 1980 |
| Name | Higher Taxonomy | Type Status | ANSP # |
| Frustulia vulgaris | DH208496 GCM5451(006) |
| Country | State/Province | County | Locality Details | |
| United States of America | Arkansas | Benton |
| Lat. | Long. | Coord. Source | Collector | Date | Conservation State | |
| Czarnecki, David B. | 1980 |
| Name | Higher Taxonomy | Type Status | ANSP # |
| Gomphonema acuminatum var. clavus | DH208611 GCM5451(022) |
| Country | State/Province | County | Locality Details | |
| United States of America | Arkansas | Madison |
| Lat. | Long. | Coord. Source | Collector | Date | Conservation State | |
| Czarnecki, David B. | 1979 |
| Name | Higher Taxonomy | Type Status | ANSP # |
| Gomphonema apicatum | DH208680 GCM5451(021) |
| Country | State/Province | County | Locality Details | |
| United States of America | Arkansas | Washington |
| Lat. | Long. | Coord. Source | Collector | Date | Conservation State | |
| Czarnecki, David B. | 1979 |
| Name | Higher Taxonomy | Type Status | ANSP # |
| Gomphonema subclavatum | DH200886 GC63070 |
| Country | State/Province | County | Locality Details | |
| United States of America | Arkansas | Madison |
| Lat. | Long. | Coord. Source | Collector | Date | Conservation State | |
| Czarnecki, David B. | 1979 |
| Name | Higher Taxonomy | Type Status | ANSP # |
| Gyrosigma obtusatum | DH208663 GCM5451(017) |
| Country | State/Province | County | Locality Details | |
| United States of America | Arkansas | Washington |
| Lat. | Long. | Coord. Source | Collector | Date | Conservation State | |
| Czarnecki, David B. | 1979 |
| Name | Higher Taxonomy | Type Status | ANSP # |
| Gyrosigma scalproides | DH208668 GCM5451(018) |
| Country | State/Province | County | Locality Details | |
| United States of America | Arkansas | Washington |
| Lat. | Long. | Coord. Source | Collector | Date | Conservation State | |
| Czarnecki, David B. | 1980 |
| Name | Higher Taxonomy | Type Status | ANSP # |
| Gyrosigma scalproides | DH208822 GCM5479 |
| Country | State/Province | County | Locality Details | |
| United States of America | Arkansas | Washington |
| Lat. | Long. | Coord. Source | Collector | Date | Conservation State | |
| Czarnecki, David B. | 1980 |
| Name | Higher Taxonomy | Type Status | ANSP # |
| Melosira varians | DH200856 GC61630a |
| Country | State/Province | County | Locality Details | |
| United States of America | Arkansas | Independence |
| Lat. | Long. | Coord. Source | Collector | Date | Conservation State | |
| Unknown | 1974 |
| Name | Higher Taxonomy | Type Status | ANSP # |
| Melosira varians | DH200860 GC61634a |
| Country | State/Province | County | Locality Details | |
| United States of America | Arkansas | Independence |
| Lat. | Long. | Coord. Source | Collector | Date | Conservation State | |
| Unknown | 1974 |
| Name | Higher Taxonomy | Type Status | ANSP # |
| Melosira varians | DH200876 GC61649a |
| Country | State/Province | County | Locality Details | |
| United States of America | Arkansas | Independence |
| Lat. | Long. | Coord. Source | Collector | Date | Conservation State | |
| Unknown | 1974 |
| Name | Higher Taxonomy | Type Status | ANSP # |
| Melosira varians | DH200879 GC61652a |
| Country | State/Province | County | Locality Details | |
| United States of America | Arkansas | Independence |
| Lat. | Long. | Coord. Source | Collector | Date | Conservation State | |
| Unknown | 1974 |
| Name | Higher Taxonomy | Type Status | ANSP # |
| Navicula circumtexta | DH213065 GC63083 |
| Country | State/Province | County | Locality Details | |
| United States of America | Kansas | Cheyenne |
| Lat. | Long. | Coord. Source | Collector | Date | Conservation State | |
| Reinke, D. |
| Name | Higher Taxonomy | Type Status | ANSP # |
| Navicula cuspidata | DH208617 GCM5451(035) |
| Country | State/Province | County | Locality Details | |
| United States of America | Arkansas | Madison |
| Lat. | Long. | Coord. Source | Collector | Date | Conservation State | |
| Czarnecki, David B. | 1979 |
| Name | Higher Taxonomy | Type Status | ANSP # |
| Navicula elmorei | DH208678 GCM5451(040) |
| Country | State/Province | County | Locality Details | |
| United States of America | Arkansas | Washington |
| Lat. | Long. | Coord. Source | Collector | Date | Conservation State | |
| Czarnecki, David B. | 1981 |
| Name | Higher Taxonomy | Type Status | ANSP # |
| Navicula falaisensis | DH200872 GC61646a |
| Country | State/Province | County | Locality Details | |
| United States of America | Arkansas | Independence |
| Lat. | Long. | Coord. Source | Collector | Date | Conservation State | |
| Unknown | 1974 |
| Name | Higher Taxonomy | Type Status | ANSP # |
| Navicula gothlandica | DH213060 GC63078 |
| Country | State/Province | County | Locality Details | |
| United States of America | Kansas | Russell |
| Lat. | Long. | Coord. Source | Collector | Date | Conservation State | |
| Reinke, D. |
| Name | Higher Taxonomy | Type Status | ANSP # |
| Navicula halophila f. robusta | DH213062 GC63080 |
| Country | State/Province | County | Locality Details | |
| United States of America | Kansas | Cheyenne |
| Lat. | Long. | Coord. Source | Collector | Date | Conservation State | |
| Reinke, D. |
| Name | Higher Taxonomy | Type Status | ANSP # |
| Navicula halophila f. tenuirostris | DH200854 GC61628a |
| Country | State/Province | County | Locality Details | |
| United States of America | Arkansas | Independence |
| Lat. | Long. | Coord. Source | Collector | Date | Conservation State | |
| Unknown | 1974 |
| Name | Higher Taxonomy | Type Status | ANSP # |
| Navicula jentzschii | DH200848 GC61622a |
| Country | State/Province | County | Locality Details | |
| United States of America | Arkansas | Independence |
| Lat. | Long. | Coord. Source | Collector | Date | Conservation State | |
| Unknown | 1974 |
| Name | Higher Taxonomy | Type Status | ANSP # |
| Navicula menisculus var. upsaliensis | DH200854 GC61628a |
| Country | State/Province | County | Locality Details | |
| United States of America | Arkansas | Independence |
| Lat. | Long. | Coord. Source | Collector | Date | Conservation State | |
| Unknown | 1974 |
| Name | Higher Taxonomy | Type Status | ANSP # |
| Navicula minnewaukonensis | DH200854 GC61628a |
| Country | State/Province | County | Locality Details | |
| United States of America | Arkansas | Independence |
| Lat. | Long. | Coord. Source | Collector | Date | Conservation State | |
| Unknown | 1974 |
| Name | Higher Taxonomy | Type Status | ANSP # |
| Navicula protracta | DH213067 GC63085 |
| Country | State/Province | County | Locality Details | |
| United States of America | Kansas | Cheyenne |
| Lat. | Long. | Coord. Source | Collector | Date | Conservation State | |
| Reinke, D. |
| Name | Higher Taxonomy | Type Status | ANSP # |
| Navicula radiosa var. tenella | DH200845 GC61619a |
| Country | State/Province | County | Locality Details | |
| United States of America | Arkansas | Independence |
| Lat. | Long. | Coord. Source | Collector | Date | Conservation State | |
| R. R. Grant. | 1974 |
| Name | Higher Taxonomy | Type Status | ANSP # |
| Navicula radiosa var. tenella | DH200848 GC61622a |
| Country | State/Province | County | Locality Details | |
| United States of America | Arkansas | Independence |
| Lat. | Long. | Coord. Source | Collector | Date | Conservation State | |
| Unknown | 1974 |
| Name | Higher Taxonomy | Type Status | ANSP # |
| Navicula radiosa var. tenella | DH200854 GC61628a |
| Country | State/Province | County | Locality Details | |
| United States of America | Arkansas | Independence |
| Lat. | Long. | Coord. Source | Collector | Date | Conservation State | |
| Unknown | 1974 |
| Name | Higher Taxonomy | Type Status | ANSP # |
| Navicula radiosa var. tenella | DH200862 GC61636a |
| Country | State/Province | County | Locality Details | |
| United States of America | Arkansas | Independence |
| Lat. | Long. | Coord. Source | Collector | Date | Conservation State | |
| Unknown | 1974 |
| Name | Higher Taxonomy | Type Status | ANSP # |
| Navicula radiosa var. tenella | DH200866 GC61640a |
| Country | State/Province | County | Locality Details | |
| United States of America | Arkansas | Independence |
| Lat. | Long. | Coord. Source | Collector | Date | Conservation State | |
| Unknown | 1974 |
| Name | Higher Taxonomy | Type Status | ANSP # |
| Navicula radiosa var. tenella | DH200872 GC61646a |
| Country | State/Province | County | Locality Details | |
| United States of America | Arkansas | Independence |
| Lat. | Long. | Coord. Source | Collector | Date | Conservation State | |
| Unknown | 1974 |
| Name | Higher Taxonomy | Type Status | ANSP # |
| Navicula radiosa var. tenella | DH200878 GC61651a |
| Country | State/Province | County | Locality Details | |
| United States of America | Arkansas | Independence |
| Lat. | Long. | Coord. Source | Collector | Date | Conservation State | |
| Unknown | 1974 |
| Name | Higher Taxonomy | Type Status | ANSP # |
| Navicula radiosa var. tenella | DH200885 GC61658a |
| Country | State/Province | County | Locality Details | |
| United States of America | Arkansas | Independence |
| Lat. | Long. | Coord. Source | Collector | Date | Conservation State | |
| Unknown | 1974 |
| Name | Higher Taxonomy | Type Status | ANSP # |
| Navicula salinarum | DH213065 GC63083 |
| Country | State/Province | County | Locality Details | |
| United States of America | Kansas | Cheyenne |
| Lat. | Long. | Coord. Source | Collector | Date | Conservation State | |
| Reinke, D. |
| Name | Higher Taxonomy | Type Status | ANSP # |
| Navicula salinarum var. intermedia | DH200859 GC61633a |
| Country | State/Province | County | Locality Details | |
| United States of America | Arkansas | Independence |
| Lat. | Long. | Coord. Source | Collector | Date | Conservation State | |
| Unknown | 1974 |
| Name | Higher Taxonomy | Type Status | ANSP # |
| Navicula salinarum var. intermedia | DH200862 GC61636a |
| Country | State/Province | County | Locality Details | |
| United States of America | Arkansas | Independence |
| Lat. | Long. | Coord. Source | Collector | Date | Conservation State | |
| Unknown | 1974 |
| Name | Higher Taxonomy | Type Status | ANSP # |
| Navicula salinarum var. intermedia | DH200872 GC61646a |
| Country | State/Province | County | Locality Details | |
| United States of America | Arkansas | Independence |
| Lat. | Long. | Coord. Source | Collector | Date | Conservation State | |
| Unknown | 1974 |
| Name | Higher Taxonomy | Type Status | ANSP # |
| Navicula viridula var. avenacea | DH213060 GC63078 |
| Country | State/Province | County | Locality Details | |
| United States of America | Kansas | Russell |
| Lat. | Long. | Coord. Source | Collector | Date | Conservation State | |
| Reinke, D. |
| Name | Higher Taxonomy | Type Status | ANSP # |
| Neidium affine | DH200891 GC63233 |
| Country | State/Province | County | Locality Details | |
| United States of America | Arkansas | Washington |
| Lat. | Long. | Coord. Source | Collector | Date | Conservation State | |
| Czarnecki, David B. | 1981 |
| Name | Higher Taxonomy | Type Status | ANSP # |
| Neidium affine var. longiceps | DH208679 GCM5451(056) |
| Country | State/Province | County | Locality Details | |
| United States of America | Arkansas | Washington |
| Lat. | Long. | Coord. Source | Collector | Date | Conservation State | |
| Czarnecki, David B. | 1981 |
| Name | Higher Taxonomy | Type Status | ANSP # |
| Neidium affine var. tenuirostris | DH208619 GCM5451(074) |
| Country | State/Province | County | Locality Details | |
| United States of America | Arkansas | Washington |
| Lat. | Long. | Coord. Source | Collector | Date | Conservation State | |
| Czarnecki, David B. | 1981 |
| Name | Higher Taxonomy | Type Status | ANSP # |
| Neidium affine var. tenuirostris ? | DH200890 GC63232 |
| Country | State/Province | County | Locality Details | |
| United States of America | Arkansas | Washington |
| Lat. | Long. | Coord. Source | Collector | Date | Conservation State | |
| Czarnecki, David B. | 1981 |
| Name | Higher Taxonomy | Type Status | ANSP # |
| Neidium decens | DH208614 GCM5451(031) |
| Country | State/Province | County | Locality Details | |
| United States of America | Arkansas | Madison |
| Lat. | Long. | Coord. Source | Collector | Date | Conservation State | |
| Czarnecki, David B. | 1980 |
| Name | Higher Taxonomy | Type Status | ANSP # |
| Neidium decens | DH208620 GCM5451(028) |
| Country | State/Province | County | Locality Details | |
| United States of America | Arkansas | Washington |
| Lat. | Long. | Coord. Source | Collector | Date | Conservation State | |
| Czarnecki, David B. | 1980 |
| Name | Higher Taxonomy | Type Status | ANSP # |
| Neidium sp. | DH200887 GC63071 |
| Country | State/Province | County | Locality Details | |
| United States of America | Arkansas | Washington |
| Lat. | Long. | Coord. Source | Collector | Date | Conservation State | |
| Czarnecki, David B. | 1979 |
| Name | Higher Taxonomy | Type Status | ANSP # |
| Nitzschia acicularis | DH200865 GC61639a |
| Country | State/Province | County | Locality Details | |
| United States of America | Arkansas | Independence |
| Lat. | Long. | Coord. Source | Collector | Date | Conservation State | |
| Unknown | 1974 |
| Name | Higher Taxonomy | Type Status | ANSP # |
| Nitzschia acicularis | DH200869 GC61643a |
| Country | State/Province | County | Locality Details | |
| United States of America | Arkansas | Independence |
| Lat. | Long. | Coord. Source | Collector | Date | Conservation State | |
| Unknown | 1974 |
| Name | Higher Taxonomy | Type Status | ANSP # |
| Nitzschia acicularis | DH200872 GC61646a |
| Country | State/Province | County | Locality Details | |
| United States of America | Arkansas | Independence |
| Lat. | Long. | Coord. Source | Collector | Date | Conservation State | |
| Unknown | 1974 |
| Name | Higher Taxonomy | Type Status | ANSP # |
| Nitzschia filiformis | DH208610 GCM5451(013) |
| Country | State/Province | County | Locality Details | |
| United States of America | Arkansas | El Dorado |
| Lat. | Long. | Coord. Source | Collector | Date | Conservation State | |
| Czarnecki, David B. | 1980 |
| Name | Higher Taxonomy | Type Status | ANSP # |
| Nitzschia sinuata var. tabellaria | DH208677 GCM5451(049) |
| Country | State/Province | County | Locality Details | |
| United States of America | Arkansas | Washington |
| Lat. | Long. | Coord. Source | Collector | Date | Conservation State | |
| Czarnecki, David B. | 1981 |
| Name | Higher Taxonomy | Type Status | ANSP # |
| Nitzschia vermicularis | DH208823 GCM5483 |
| Country | State/Province | County | Locality Details | |
| United States of America | Arkansas | Washington |
| Lat. | Long. | Coord. Source | Collector | Date | Conservation State | |
| Czarnecki, David B. | 1986 |
| Name | Higher Taxonomy | Type Status | ANSP # |
| Pinnularia biceps | DH208676 GCM5451(069) |
| Country | State/Province | County | Locality Details | |
| United States of America | Arkansas | Washington |
| Lat. | Long. | Coord. Source | Collector | Date | Conservation State | |
| Czarnecki, David B. | 1981 |
| Name | Higher Taxonomy | Type Status | ANSP # |
| Pinnularia braunii | DH208665 GCM5451(082) |
| Country | State/Province | County | Locality Details | |
| United States of America | Arkansas | Washington |
| Lat. | Long. | Coord. Source | Collector | Date | Conservation State | |
| Czarnecki, David B. | 1981 |
| Name | Higher Taxonomy | Type Status | ANSP # |
| Pinnularia sp. | DH208501 GCM5451(067) |
| Country | State/Province | County | Locality Details | |
| United States of America | Arkansas | Benton |
| Lat. | Long. | Coord. Source | Collector | Date | Conservation State | |
| Czarnecki, David B. | 1981 |
| Name | Higher Taxonomy | Type Status | ANSP # |
| Pinnularia sp. | DH208675 GCM5451(068) |
| Country | State/Province | County | Locality Details | |
| United States of America | Arkansas | Washington |
| Lat. | Long. | Coord. Source | Collector | Date | Conservation State | |
| Czarnecki, David B. | 1981 |
| Name | Higher Taxonomy | Type Status | ANSP # |
| Stauroneis anceps var. americana | DH208666 GCM5451(029) |
| Country | State/Province | County | Locality Details | |
| United States of America | Arkansas | Washington |
| Lat. | Long. | Coord. Source | Collector | Date | Conservation State | |
| Czarnecki, David B. | 1979 |
| Name | Higher Taxonomy | Type Status | ANSP # |
| Stauroneis obtusa | DH208498 GCM5451(065) |
| Country | State/Province | County | Locality Details | |
| United States of America | Arkansas | Benton |
| Lat. | Long. | Coord. Source | Collector | Date | Conservation State | |
| Czarnecki, David B. | 1981 |
| Name | Higher Taxonomy | Type Status | ANSP # |
| Stauroneis phoenicenteron f. gracilis | DH208615 GCM5451(036) |
| Country | State/Province | County | Locality Details | |
| United States of America | Arkansas | Madison |
| Lat. | Long. | Coord. Source | Collector | Date | Conservation State | |
| Czarnecki, David B. | 1979 |
| Name | Higher Taxonomy | Type Status | ANSP # |
| Stenopterobia intermedia | DH208672 GCM5451(007) |
| Country | State/Province | County | Locality Details | |
| United States of America | Arkansas | Washington |
| Lat. | Long. | Coord. Source | Collector | Date | Conservation State | |
| Czarnecki, David B. | 1980 |
| Name | Higher Taxonomy | Type Status | ANSP # |
| Surirella ovata var. africana | DH208621 GCM5451(032) |
| Country | State/Province | County | Locality Details | |
| United States of America | Arkansas | Washington |
| Lat. | Long. | Coord. Source | Collector | Date | Conservation State | |
| Czarnecki, David B. | 1979 |
| Name | Higher Taxonomy | Type Status | ANSP # |
| Synedra parasitica var. subconstricta | DH208493 GCM5451(009) |
| Country | State/Province | County | Locality Details | |
| United States of America | Arkansas | Benton |
| Lat. | Long. | Coord. Source | Collector | Date | Conservation State | |
| Czarnecki, David B. | 1980 |