# of Observations |
ITIS TSN |
Scientific Name (as provided) |
3046
|
2930 |
Pennales spp. |
2408
|
2484 |
Thalassiosira spp. |
1426
|
3139 |
Thalassionema nitzschioides |
1360
|
2758 |
Chaetoceros spp. |
1304
|
5093 |
Nitzschia seriata |
1111
|
5077 |
Nitzschia delicatissima |
1109
|
2490 |
Thalassiosira gravida |
1067
|
5080 |
Nitzschia longissima |
1063
|
610099 |
Proboscia alata |
1033
|
3649 |
Navicula spp. |
1012
|
610084 |
Chaetoceros (phaeoceros) |
966
|
573607 |
Chaetoceros (hyalochaetae) |
927
|
5070 |
Nitzschia spp. |
854
|
2402 |
Skeletonema costatum |
834
|
2973 |
Fragilaria oceanica |
756
|
2546 |
Coscinodiscus spp. |
743
|
3134 |
Thalassiothrix longissima |
739
|
5149 |
Nitzschia closterium |
692
|
2492 |
Thalassiosira nordenskioeldii |
642
|
2286 |
Bacillariophyta spp. |
611
|
2895 |
Rhizosolenia hebetata semispina |
590
|
2904 |
Rhizosolenia styliformis |
532
|
2780 |
Chaetoceros compressus |
506
|
2791 |
Chaetoceros decipiens |
497
|
2932 |
Fragilaria spp. |
491
|
2827 |
Chaetoceros socialis |
480
|
2387 |
Corethron criophilum |
469
|
5318 |
Cylindrotheca closterium |
464
|
2395 |
Leptocylindrus danicus |
453
|
4592 |
Pleurosigma spp. |
447
|
2541 |
Coscinosira polychorda |
440
|
2898 |
Rhizosolenia imbricata shrubsolei |
418
|
3155 |
Licmophora spp. |
395
|
2784 |
Chaetoceros convolutus |
383
|
2790 |
Chaetoceros debilis |
383
|
2489 |
Thalassiosira decipiens |
359
|
573636 |
Leptocylindrus mediterraneus |
345
|
3695 |
Navicula vanhoeffenii |
329
|
2805 |
Chaetoceros furcellatus |
327
|
2809 |
Chaetoceros laciniosus |
325
|
2787 |
Chaetoceros curvisetus |
319
|
610100 |
Proboscia inermis |
312
|
2902 |
Rhizosolenia setigera |
311
|
2796 |
Chaetoceros dichaeta |
304
|
2539 |
Bacteriosira fragilis |
302
|
2496 |
Thalassiosira hyalina |
291
|
4593 |
Pleurosigma angulatum |
277
|
2893 |
Rhizosolenia hebetata |
275
|
2816 |
Chaetoceros peruvianus |
274
|
2346 |
Paralia sulcata |
272
|
2892 |
Rhizosolenia fragilissima |
267
|
2439 |
Cyclotella spp. |
264
|
2879 |
Rhizosolenia spp. |
263
|
2769 |
Chaetoceros atlanticus |
253
|
2537 |
Porosira glacialis |
237
|
2903 |
Rhizosolenia stolterfothii |
226
|
610098 |
Odontella aurita |
224
|
2483 |
Planktoniella sol |
223
|
2733 |
Eucampia zodiacus |
212
|
2633 |
Asteromphalus spp. |
204
|
2813 |
Chaetoceros mitra |
203
|
2884 |
Rhizosolenia alata indica |
202
|
610127 |
Odontella sinensis |
202
|
591207 |
Aulacoseira granulata |
194
|
3133 |
Thalassiothrix frauenfeldii |
194
|
2795 |
Chaetoceros diadema |
191
|
2797 |
Chaetoceros didymus |
186
|
3124 |
Asterionella bleakeleyi |
182
|
2828 |
Chaetoceros subsecundus |
179
|
2891 |
Rhizosolenia delicatula |
178
|
2966 |
Fragilaria islandica |
178
|
2781 |
Chaetoceros concavicornis |
177
|
5078 |
Nitzschia frigida |
176
|
4624 |
Gyrosigma fasciola |
167
|
2634 |
Asteromphalus heptactis |
166
|
573688 |
Fragilariopsis kerguelensis |
165
|
3136 |
Thalassiothrix mediterranea pacifica |
164
|
2759 |
Chaetoceros affinis |
160
|
4676 |
Amphiprora hyperborea |
158
|
2774 |
Chaetoceros borealis |
152
|
2551 |
Coscinodiscus asteromphalus |
150
|
3577 |
Cocconeis spp. |
147
|
2295 |
Melosira sulcata |
144
|
4657 |
Tropidoneis spp. |
140
|
2841 |
Chaetoceros fragilis |
136
|
2398 |
Dactyliosolen antarcticus |
129
|
2839 |
Chaetoceros criophilus |
128
|
3436 |
Achnanthes taeniata |
126
|
3131 |
Thalassiothrix spp. |
125
|
2560 |
Coscinodiscus marginatus |
124
|
550521 |
Eucampia balaustium |
122
|
2562 |
Coscinodiscus oculus-iridis |
121
|
2890 |
Rhizosolenia cylindrus |
120
|
4594 |
Pleurosigma elongatum |
119
|
3013 |
Synedra spp. |
117
|
3675 |
Navicula pelagica |
113
|
3117 |
Asterionella japonica |
112
|
2288 |
Centrales spp. |
111
|
2735 |
Climacodium frauenfeldianum |
111
|
2555 |
Coscinodiscus concinnus |
111
|
2396 |
Leptocylindrus minimus |
109
|
573648 |
Navicula granii |
108
|
2754 |
Cerataulina bergonii |
106
| -7353
|
Asteromphalus parvulus |
106
|
610095 |
Fragilariopsis obliquecostata |
106
|
550508 |
Chaetoceros neglectus |
106
|
4622 |
Gyrosigma spp. |
106
|
2887 |
Rhizosolenia bergonii |
104
|
2749 |
Hemiaulus hauckii |
103
|
573659 |
Rhizosolenia antennata |
103
|
3120 |
Asterionella formosa |
102
|
2905 |
Rhizosolenia styliformis longispina |
100
|
2922 |
Guinardia flaccida |
95
|
2883 |
Rhizosolenia alata gracillima |
93
|
2862 |
Bacteriastrum spp. |
92
|
2794 |
Chaetoceros densus |
91
|
2928 |
Ditylum brightwellii |
88
|
2504 |
Thalassiosira antarctica |
87
|
2865 |
Bacteriastrum elongatum |
87
|
2290 |
Melosira spp. |
86
|
2864 |
Bacteriastrum delicatulum |
85
|
4611 |
Pleurosigma directum |
85
|
2825 |
Chaetoceros septentrionalis |
85
|
2339 |
Melosira varians |
83
|
2844 |
Chaetoceros simplex |
83
|
2559 |
Coscinodiscus lineatus |
79
|
610089 |
Fragilariopsis curta |
79
|
5092 |
Nitzschia pungens atlantica |
77
|
610091 |
Fragilariopsis rhombica |
77
|
5076 |
Fragilariopsis cylindrus |
75
|
2830 |
Chaetoceros teres |
73
|
2556 |
Coscinodiscus excentricus |
72
|
610111 |
Thalassiosira gracilis |
71
|
4659 |
Tropidoneis antarctica |
70
|
2807 |
Chaetoceros holsaticus |
69
|
573690 |
Trichotoxon reinboldii |
69
|
550516 |
Coscinodiscus debilis |
69
|
5319 |
Denticula spp. |
69
|
4552 |
Mastogloia rostrata |
69
|
2814 |
Chaetoceros pelagicus |
69
|
2397 |
Dactyliosolen spp. |
68
|
610116 |
Thalassiosira tcherniai |
68
|
3199 |
Grammatophora marina |
68
|
2487 |
Thalassiosira bioculata |
67
|
573630 |
Coscinodiscus anomalus |
67
|
550526 |
Rhizosolenia antarctica |
67
|
2731 |
Eucampia cornuta |
66
|
573673 |
Coscinodiscus antarcticus |
66
|
2835 |
Chaetoceros wighamii |
65
| -8416
|
Fragilariopsis f bouvet |
65
| -7085
|
Tropidoneis glacialis constricta |
65
| -7079
|
Navicula frompii major |
65
|
610113 |
Thalassiosira lentiginosa |
65
|
573708 |
Thalassiothrix longissima antarctica |
65
|
573693 |
Charcotia australis |
65
|
573683 |
Charcotia janus |
65
|
573654 |
Navicula neglecta |
65
|
573632 |
Coscinodiscus simbirskianus |
65
|
573622 |
Chaetoceros chunii |
65
|
573616 |
Asteromphalus roperianus |
65
|
573613 |
Asteromphalus elegans |
65
|
573612 |
Asteromphalus brookei |
65
|
573610 |
Amphora peragallorum |
65
|
573608 |
Actinocyclus bifrons |
64
|
3119 |
Asterionella kariana |
63
|
3429 |
Achnanthes spp. |
63
|
2829 |
Chaetoceros subtilis |
63
|
2783 |
Chaetoceros constrictus |
62
|
3684 |
Navicula septentrionalis |
62
|
2888 |
Rhizosolenia calcar-avis |
60
|
2897 |
Rhizosolenia imbricata |
58
|
2531 |
Lauderia borealis |
56
|
2662 |
Actinocyclus normanii subsala |
55
|
2776 |
Chaetoceros brevis |
55
|
2503 |
Thalassiosira eccentrica |
53
|
2568 |
Coscinodiscus stellaris |
52
|
2293 |
Melosira moniliformis |
51
|
3156 |
Licmophora ehrenbergi |
51
|
2812 |
Chaetoceros messanensis |
50
|
2894 |
Rhizosolenia hebetata hiemalis |
50
|
2635 |
Asteromphalus robusta |
49
|
584563 |
Pseudo-nitzschia delicatissima |
49
|
2819 |
Chaetoceros pendulus |
49
|
2374 |
Stephanopyxis turris |
48
|
610110 |
Thalassiosira adeliae |
48
|
2571 |
Coscinodiscus wailesii |
47
|
2485 |
Thalassiosira aestivalis |
46
|
5320 |
Denticula seminae |
46
|
2291 |
Melosira arctica |
45
|
2495 |
Thalassiosira subtilis |
44
|
3197 |
Grammatophora spp. |
43
|
2826 |
Chaetoceros similis |
41
|
610093 |
Fragilariopsis sublinearis |
41
|
2907 |
Rhizosolenia styliformis latissima |
41
|
2751 |
Hemiaulus sinensis |
41
|
2500 |
Thalassiosira lineata |
40
|
5083 |
Nitzschia longissima reversa |
40
|
3135 |
Thalassiothrix mediterranea |
40
|
2770 |
Chaetoceros atlanticum audax |
40
|
2508 |
Thalassiosira polychorda |
39
|
610117 |
Thalassiothrix antarctica |
39
|
5118 |
Nitzschia sigma |
39
|
2535 |
Detonula confervacea |
38
| -8696
|
Rhizosolenia simplex |
38
|
610106 |
Rhizosolenia curvata |
38
|
3242 |
Tabellaria fenestrata |
38
|
2622 |
Actinoptychus undulatus |
38
|
2563 |
Coscinodiscus perforatus |
37
| -8695
|
Pleurosigma intermedium |
37
| -8694
|
Coscinodiscus anguste-lineatus |
37
| -8693
|
Asteromphalus regularis |
37
|
550505 |
Chaetoceros castracanei |
37
|
4606 |
Pleurosigma affine |
37
|
2910 |
Rhizosolenia shrubsoleii |
37
|
2863 |
Bacteriastrum comosum |
37
|
2713 |
Trigonium arcticum |
36
|
5099 |
Nitzschia acicularis |
36
|
3147 |
Rhaphoneis amphiceros |
34
|
2778 |
Chaetoceros cinctus |
33
|
2822 |
Chaetoceros radicans |
33
|
2779 |
Chaetoceros coarctatus |
33
|
2552 |
Coscinodiscus centralis |
32
|
2294 |
Melosira nummuloides |
31
|
2750 |
Hemiaulus membranaceus |
30
|
2785 |
Chaetoceros costatus |
29
|
5139 |
Nitzschia oceanica |
29
|
3241 |
Tabellaria spp. |
28
|
4604 |
Pleurosigma stuxbergii |
25
|
5079 |
Nitzschia grunowii |
25
|
3132 |
Thalassiothrix delicatula |
24
|
2668 |
Hemidiscus cuneiformis |
23
| -7889
|
Thalassiosira bulbosa |
23
|
2880 |
Rhizosolenia acuminata |
23
|
2528 |
Thalassiosira fallax |
22
|
615900 |
Ephemera planamembranacea |
22
|
2726 |
Bellerochea malleus |
22
|
2665 |
Actinocyclus ehrenbergii |
21
|
4325 |
Diploneis spp. |
20
|
5088 |
Nitzschia pacifica |
20
|
2833 |
Chaetoceros vanheurckii |
20
|
2394 |
Leptocylindrus spp. |
19
|
590882 |
Tabularia fasciculata |
19
|
573633 |
Detonula pumila |
19
|
4705 |
Amphora spp. |
19
|
3209 |
Rhabdonema arcuatum |
19
|
2901 |
Rhizosolenia robusta |
19
|
2389 |
Corethron pelagicus |
18
|
5071 |
Fragilariopsis spp. |
18
|
4599 |
Pleurosigma formosum |
17
| -8893
|
Chaetoceros paulsenii |
17
| -7398
|
Fragilaria granulata |
17
|
2811 |
Chaetoceros lorenzianus |
16
|
2808 |
Chaetoceros karianus |
16
|
2440 |
Cyclotella caspia |
16
|
2381 |
Hyalodiscus stelliger |
15
|
610126 |
Odontella regia |
15
|
2866 |
Bacteriastrum hyalinum |
14
|
4690 |
Amphiprora kjellmanii |
14
|
3247 |
Tabellaria flocculosa |
14
|
2494 |
Thalassiosira rotula |
13
| -8759
|
Pseudo-nitzschia seriata seriata |
13
|
610102 |
Proboscia truncata |
13
|
5301 |
Bacillaria paxillifer |
13
|
2806 |
Chaetoceros gracilis |
13
|
2761 |
Chaetoceros affinis willei |
13
|
2679 |
Biddulphia alternans |
13
|
2373 |
Stephanopyxis palmeriana |
13
|
2326 |
Melosira dubia |
12
|
573678 |
Synedra superba |
12
|
2502 |
Thalassiosira nana |
11
| -7863
|
Grammatophora arctica |
11
|
2636 |
Asteromphalus flabellatus |
10
| -8917
|
Lauderia punctata |
10
| -7760
|
Glossleriella tropica |
10
|
4674 |
Amphiprora spp. |
10
|
2831 |
Chaetoceros tetrastichon |
10
|
2788 |
Chaetoceros dadayi |
10
|
2678 |
Biddulphia spp. |
10
|
2667 |
Hemidiscus spp. |
9
|
4911 |
Gomphonema spp. |
9
|
4340 |
Diploneis interrupta |
9
|
2889 |
Rhizosolenia castracanei |
9
|
2572 |
Coscinodiscus curvatalus |
9
|
2540 |
Coscinosira spp. |
9
|
2371 |
Stephanopyxis spp. |
8
| -7810
|
Grammatophora arcuata |
8
|
573611 |
Asterolampra dallasiana |
8
|
4642 |
Gyrosigma strigilis |
8
|
2817 |
Chaetoceros peruvianus gracilis |
8
|
2804 |
Chaetoceros eibenii |
8
|
2789 |
Chaetoceros danicus |
8
|
2729 |
Streptotheca thamensis |
8
|
2372 |
Stephanopyxis nipponica |
7
| -7976
|
Pseudonitzschia barkeyi |
7
|
573679 |
Thalassiosira angulata |
7
|
2640 |
Asteromphalus hookerii |
7
|
2581 |
Coscinodiscus rothii |
7
|
2401 |
Skeletonema spp. |
6
| -8274
|
Pseudosolenia calcar-avis |
6
| -8134
|
Podosira glacialis |
6
|
615896 |
Meuniera membranacea |
6
|
610130 |
Odontella weissflogii |
6
|
573642 |
Melosira polaris |
6
|
550513 |
Chaetoceros seychellarum |
6
|
5180 |
Nitzschia pseudodelicatissima |
6
|
3669 |
Navicula directa |
6
|
3322 |
Hannaea arcus |
6
|
2771 |
Chaetoceros atlanticum neapolitanum |
6
|
2736 |
Climacodium biconcavum |
6
|
2732 |
Eucampia groenlandica |
6
|
2557 |
Coscinodiscus granii |
6
|
2533 |
Lauderia annulata |
6
|
202438 |
Caloneis fusioides |
5
| -8945
|
Rhizosolenia styliformis v longissima |
5
| -7450
|
Pseudoeunotia dabolus |
5
|
591122 |
Craticula cuspidata |
5
|
4428 |
Pinnularia spp. |
5
|
3116 |
Asterionella spp. |
5
|
3056 |
Synedra acus |
5
|
2748 |
Hemiaulus spp. |
5
|
2488 |
Thalassiosira condensata |
5
|
2345 |
Paralia spp. |
5
|
182944 |
Thalassionema frauenfeldii |
4
| -8269
|
Guinardia striata |
4
| -7836
|
Coscinodiscus sublineatus |
4
|
610128 |
Odontella rhombus |
4
|
610124 |
Odontella granulata |
4
|
3661 |
Navicula crucigera |
4
|
3208 |
Rhabdonema spp. |
4
|
3023 |
Synedra ulna |
4
|
2848 |
Chaetoceros lauderi |
4
|
2838 |
Chaetoceros crinitus |
4
|
2810 |
Chaetoceros laevis |
4
|
2755 |
Cerataulina pelagica |
4
|
2734 |
Climacodium spp. |
4
|
2642 |
Asterolampra marylandica |
4
|
2579 |
Coscinodiscus subtilis |
4
|
2386 |
Corethron spp. |
3
| -7977
|
Pseudonitzschia heimii |
3
|
610141 |
Fragilariopsis sublinearis lata |
3
|
610132 |
Biddulphia contorta |
3
|
610121 |
Azpeitia tabularis |
3
|
610112 |
Thalassiosira hispida |
3
|
591410 |
Plagiotropis lepidoptera |
3
|
584566 |
Pseudo-nitzschia pungens |
3
|
573641 |
Mastogloia mediterranea |
3
|
550538 |
Chaetoceros frichei |
3
|
5331 |
Surirella spp. |
3
|
5234 |
Nitzschia gracilis |
3
|
2803 |
Chaetoceros diversus |
3
|
2801 |
Chaetoceros difficilis |
3
|
2756 |
Cerataulina compacta |
3
|
2739 |
Triceratium spp. |
2
| -8952
|
Thalassiosira parva |
2
| -7433
|
Fragilaria levistriata |
2
| -7350
|
Chaetoceros denticulatus |
2
|
615882 |
Dactyliosolen fragilissimus |
2
|
610125 |
Odontella mobilensis |
2
|
610085 |
Chaetoceros bulbosum |
2
|
591192 |
Catacombus gaillonii |
2
|
573657 |
Planktoniella florea |
2
|
573651 |
Nitzschia martiana |
2
|
573644 |
Melosira neosphaerica |
2
|
550537 |
Rhizosolenia clevei |
2
|
550510 |
Chaetoceros pacificum |
2
|
550509 |
Chaetoceros nipponica |
2
|
5315 |
Hantzschia weyprechtii |
2
|
5120 |
Nitzschia sigma rigida |
2
|
4618 |
Pleurosigma strigosum |
2
|
4613 |
Pleurosigma naviculaceum |
2
|
4550 |
Mastogloia braunii |
2
|
3952 |
Navicula radiosa |
2
|
2941 |
Fragilaria striatula |
2
|
2870 |
Bacteriastrum varians |
2
|
2853 |
Chaetoceros ingolfianum |
2
|
2823 |
Chaetoceros secundus |
2
|
2740 |
Triceratium favus |
2
|
2655 |
Actinocyclus spp. |
2
|
2638 |
Asteromphalus cleveanus |
2
|
2593 |
Coscinodiscus janischii |
2
|
2482 |
Planktoniella spp. |
2
|
2292 |
Melosira jurgensii |
1
| -8953
|
Triceratium formosum |
1
| -8944
|
Rhizosolenia decipiens |
1
| -8908
|
Chaetoceros abnormis |
1
| -8892
|
Chaetoceros massaliensis |
1
| -8891
|
Chaetoceros lorenzianus v solitarius |
1
| -8890
|
Chaetoceros flexuosum |
1
| -7974
|
Pseudonitzschia antarctica |
1
| -7536
|
Chaetoceros comosum |
1
| -7534
|
Aulacodiscus danicus |
1
| -7533
|
Asteromphalus danicus |
1
| -7531
|
Stephanodiscus argus |
1
| -7454
|
Caloneus liber |
1
|
615883 |
Guinardia delicatula |
1
|
610136 |
Leptocylindrus danicus adriaticus |
1
|
610133 |
Gomphonema cymbelloides |
1
|
610122 |
Asteromphalus hyalinus |
1
|
610118 |
Manguinea fusiformis |
1
|
591249 |
Fragilariforma constricta |
1
|
590897 |
Tryblionella hungarica |
1
|
573700 |
Amphiprora kjellmanii striolata |
1
|
573681 |
Thalassiothrix heteromorpha |
1
|
573675 |
Stephanopyxis orbicularis |
1
|
573658 |
Planktoniella formosa |
1
|
573650 |
Navicula subcarinata |
1
|
573649 |
Navicula libellus |
1
|
573640 |
Mastogloia baldjikiana |
1
|
573638 |
Licmophora luxuriosa |
1
|
573628 |
Coscinodiscus griseus |
1
|
573618 |
Aulacodiscus nigricans |
1
|
573617 |
Aulacodiscus crater |
1
|
555634 |
Surirella tenera |
1
|
550512 |
Chaetoceros rostratus |
1
|
5316 |
Cylindrotheca spp. |
1
|
5147 |
Nitzschia striatula |
1
|
5137 |
Nitzschia crotonensis |
1
|
4728 |
Amphora proteus |
1
|
4633 |
Gyrosigma acuminatum |
1
|
4628 |
Gyrosigma diaphanum |
1
|
4614 |
Pleurosigma rigidum |
1
|
4598 |
Pleurosigma fasciola |
1
|
4548 |
Trachyneis aspera |
1
|
4345 |
Diploneis constricta |
1
|
3584 |
Cocconeis scutellum |
1
|
331685 |
Chaetoceros paradoxus |
1
|
331675 |
Streptotheca indica |
1
|
3214 |
Diatoma spp. |
1
|
3179 |
Striatella delicatula |
1
|
3021 |
Synedra undulata |
1
|
2929 |
Ditylum sol |
1
|
2925 |
Lithodesmium undulatum |
1
|
2921 |
Guinardia spp. |
1
|
2875 |
Bacteriastrum mediterraneum |
1
|
2834 |
Chaetoceros vistulae |
1
|
2821 |
Chaetoceros pseudocurvisetus |
1
|
2782 |
Chaetoceros concavicornis volans |
1
|
2763 |
Chaetoceros anastomosans |
1
|
2760 |
Chaetoceros affinis circinalis |
1
|
2753 |
Cerataulina spp. |
1
|
2730 |
Eucampia spp. |
1
|
2720 |
Isthmia spp. |
1
|
2641 |
Asterolampra spp. |
1
|
2637 |
Asteromphalus sarcophagus |
1
|
2618 |
Actinoptychus spp. |
1
|
2616 |
Ethmodiscus gazellae |
1
|
2584 |
Coscinodiscus gigas |
1
|
2569 |
Coscinodiscus stellaris symbolophora |
1
|
2530 |
Lauderia spp. |
1
|
2498 |
Thalassiosira antiqua septata |
1
|
2493 |
Thalassiosira pacifica |
1
|
2334 |
Melosira crenulata |
1
|
2287 |
Bacillariophyceae spp. |
1
|
203692 |
Terpsinoe musica |
1
|
202433 |
Fragilaria hyalina |