Scientific Investigations Report 2006–5101–D
U.S. GEOLOGICAL SURVEY
Scientific Investigations Report 2006–5101–D
Table A9. List of algal taxa identified in Richest Target Habitat samples, Willamette River basin and surrounding area, Oregon and Washington.
[Algal taxa from 28 Richest Targeted Habitat (RTH) samples. Abbreviations: cm2, square centimeter; μm3/cm2, cubic micron per square centimeter; sp., species; var., variety; D, diatom; BG, blue-green algae; G, green algae; E, euglenophyte; R, red algae; aff., affinis (similar to); cf., confer (compare with)]
| Scientific name | Algal division |
Number of sites |
Maximum abundance | |
|---|---|---|---|---|
| Density (number of cells/cm2) |
Biovolume (μm3/cm2) |
|||
| Achnanthes conspicua | D | 9 | 174,558 | 9,316,189 |
| Achnanthes lanceolata var. haynaldii | D | 8 | 7,178 | 2,078,098 |
| Achnanthes ricula | D | 2 | 1,196 | 1,786,041 |
| Achnanthes sp. 1 | D | 2 | 5,692 | 400,668 |
| Achnanthes subhudsonis var. kraeuselii | D | 17 | 1,714,946 | 87,217,271 |
| Achnanthidium exiguum var. heterovalvum | D | 2 | 1,276 | 142,871 |
| Achnanthidium minutissimum | D | 27 | 731,894 | 29,102,105 |
| Achnanthidium pyrenaicum | D | 2 | 805 | 66,995 |
| Achnanthidium sp. 10 | D | 18 | 526,964 | 44,451,564 |
| Adlafia bryophila | D | 4 | 22,770 | 1,077,659 |
| Adlafia sp. 2 | D | 1 | 1,196 | 136,376 |
| Amphora copulata | D | 4 | 1,196 | 2,109,603 |
| Amphora inariensis | D | 3 | 89,606 | 16,001,306 |
| Amphora pediculus | D | 13 | 352,026 | 35,385,789 |
| Anorthoneis excentrica | D | 1 | 66 | 497,890 |
| Aphanocapsa sp. | BG | 1 | 3,776,737 | 94,418,425 |
| Asterionella formosa | D | 3 | 598 | 247,697 |
| Aulacoseira ambigua | D | 2 | 2,951 | 1,058,304 |
| Aulacoseira crenulata | D | 7 | 58,114 | 34,735,559 |
| Aulacoseira distans | D | 1 | 360 | 127,017 |
| Aulacoseira granulata | D | 5 | 31,906 | 15,312,909 |
| Aulacoseira italica | D | 1 | 360 | 298,628 |
| Aulacoseira muzzanensis | D | 1 | 719 | 2,292,481 |
| Bacillaria paradoxa | D | 5 | 33,602 | 39,311,265 |
| Caloneis amphisbaena | D | 1 | 360 | 2,919,321 |
| Caloneis bacillum | D | 4 | 8,374 | 3,757,193 |
| Caloneis hyalina | D | 8 | 8,401 | 2,974,192 |
| Caloneis schumanniana | D | 1 | 719 | 583,193 |
| Caloneis silicula | D | 2 | 268 | 368,071 |
| Calothrix fusca | BG | 1 | 48,528 | 12,433,455 |
| Cladophora glomerata | G | 2 | 50,004 | 51,340,971,926 |
| Cocconeis pediculus | D | 1 | 58 | 202,379 |
| Cocconeis placentula | D | 1 | 2,517 | 1,861,795 |
| Cocconeis placentula var. euglypta | D | 25 | 164,655 | 130,032,466 |
| Cocconeis placentula var. lineata | D | 18 | 121,015 | 130,040,130 |
| Cocconeis placentula var. pseudolineata | D | 1 | 215 | 381,612 |
| Ctenophora pulchella var. lacerata | D | 2 | 700 | 6,031,252 |
| Cyclostephanos tholiformis | D | 3 | 15,953 | 3,094,622 |
| Cyclotella meneghiniana | D | 4 | 28,002 | 23,428,779 |
| Cyclotella pseudostelligera | D | 2 | 2,551 | 217,556 |
| Cyclotella stelligera | D | 1 | 268 | 65,023 |
| Cymbella cymbiformis | D | 1 | 1,290 | 2,664,683 |
| Cymbella mesiana | D | 2 | 9,686 | 20,770,780 |
| Cymbella mexicana | D | 2 | 4,879 | 217,210,927 |
| Cymbella sp. 1 | D | 1 | 2,198 | 4,075,979 |
| Cymbella tumida | D | 1 | 5,692 | 16,095,195 |
| Denticula tenuis | D | 1 | 598 | 303,256 |
| Diadesmis confervacea | D | 3 | 78,406 | 27,045,903 |
| Diadesmis contenta | D | 3 | 9,686 | 340,549 |
| Diatoma vulgaris | D | 2 | 95,718 | 286,082,017 |
| Diploneis elliptica | D | 2 | 334 | 622,325 |
| Diploneis parma | D | 2 | 8,728 | 12,167,326 |
| Diploneis pseudovalis | D | 1 | 360 | 308,851 |
| Encyonema minutum | D | 7 | 108,157 | 22,377,969 |
| Encyonema prostratum | D | 1 | 15,953 | 29,576,818 |
| Encyonema silesiacum | D | 11 | 267,546 | 91,228,617 |
| Eunotia exigua | D | 4 | 1,543 | 258,799 |
| Eunotia flexuosa | D | 3 | 4,843 | 14,241,971 |
| Eunotia formica | D | 1 | 37 | 283,292 |
| Eunotia incisa | D | 1 | 805 | 299,498 |
| Eunotia minor | D | 6 | 24,510 | 12,949,517 |
| Eunotia monodon | D | 1 | 719 | 1,575,396 |
| Eunotia muscicola var. tridentula | D | 1 | 268 | 150,230 |
| Eunotia pectinalis var. undulata | D | 1 | 9,686 | 28,244,330 |
| Eunotia pirla | D | 1 | 5,692 | 18,099,135 |
| Eunotia praerupta | D | 1 | 134 | 462,764 |
| Fallacia tenera | D | 1 | 1,196 | 8,973,273 |
| Fragilaria capucina var. gracilis | D | 6 | 45,540 | 3,312,529 |
| Fragilaria capucina var. rumpens | D | 3 | 360 | 40,537 |
| Fragilaria cf. crotonensis | D | 4 | 63,431 | 54,360,226 |
| Fragilaria crotonensis | D | 1 | 117 | 49,676 |
| Fragilaria nanana | D | 1 | 58 | 6,056 |
| Fragilaria sp. 7 | D | 2 | 15,953 | 5,341,112 |
| Fragilaria vaucheriae | D | 7 | 23,929 | 5,149,988 |
| Fragilariforma bicapitata | D | 1 | 4,843 | 4,150,282 |
| Fragilariforma virescens | D | 1 | 37 | 31,945 |
| Frustulia amphipleuroides | D | 1 | 4,879 | 27,566,671 |
| Frustulia crassinervia | D | 1 | 537 | 230,454 |
| Frustulia rhomboides | D | 1 | 37 | 131,964 |
| Frustulia vulgaris | D | 6 | 24,510 | 21,310,568 |
| Frustulia weinholdii | D | 1 | 9,804 | 27,001,994 |
| Geissleria acceptata | D | 3 | 5,819 | 4,579,240 |
| Gomphoneis eriense var. variabilis | D | 1 | 20,585 | 628,550,203 |
| Gomphoneis herculeana | D | 1 | 430 | 2,884,920 |
| Gomphoneis minuta | D | 1 | 9,501 | 290,100,101 |
| Gomphonema aff. Kobayasii | D | 19 | 222,006 | 1,585,057 |
| Gomphonema affine | D | 5 | 22,770 | 28,562,881 |
| Gomphonema americobtusatum | D | 3 | 334 | 435,107 |
| Gomphonema angustatum | D | 11 | 24,396 | 7,340,544 |
| Gomphonema bipunctatum | D | 1 | 360 | 468,093 |
| Gomphonema drutelingense | D | 1 | 1,609 | 2,095,005 |
| Gomphonema gracile | D | 4 | 15,953 | 16,744,119 |
| Gomphonema innocens | D | 3 | 56,925 | 32,754,489 |
| Gomphonema kobayasii | D | 21 | 251,015 | 36,550,747 |
| Gomphonema lagenula | D | 13 | 23,929 | 6,231,043 |
| Gomphonema mexicanum | D | 2 | 2,682 | 2,889,033 |
| Gomphonema micropus | D | 3 | 4,902 | 1,445,550 |
| Gomphonema minutum | D | 3 | 2,909 | 509,968 |
| Gomphonema parvulius | D | 1 | 5,600 | 7,291,720 |
| Gomphonema parvulum | D | 5 | 31,906 | 7,953,419 |
| Gomphonema parvulum var. saprophilum | D | 1 | 719 | 936,186 |
| Gomphonema patrickii | D | 1 | 537 | 143,654 |
| Gomphonema pumilum | D | 1 | 2,683 | 598,872 |
| Gomphonema rhombicum | D | 17 | 136,619 | 62,448,261 |
| Gomphonema sp. 2 | D | 4 | 775,808 | 282,880,603 |
| Gomphonema sp. 3 | D | 1 | 37 | 48,533 |
| Gomphonema subclavatum | D | 1 | 360 | 239,466 |
| Gomphosphenia lingulatiformis | D | 1 | 22,729 | 10,921,783 |
| Gyrosigma acuminatum | D | 1 | 202 | 1,418,469 |
| Gyrosigma nodiferum | D | 1 | 4,843 | 18,880,003 |
| Gyrosigma scalproides | D | 1 | 2,451 | 3,591,376 |
| Hantzschia amphioxys | D | 3 | 598 | 664,160 |
| Heteroleibleinia sp. | BG | 1 | 251,348 | 2,149,644 |
| Hippodonta capitata | D | 4 | 9,804 | 3,297,494 |
| Homoeothrix janthina | BG | 21 | 11,854,144 | 43,235,144 |
| Homoeothrix juliana | BG | 4 | 979,535 | 51,670,281 |
| Karayevia clevei | D | 2 | 360 | 58,612 |
| Karayevia laterostrata | D | 1 | 771 | 1,151,596 |
| Leptolyngbya sp. | BG | 9 | 9,510,686 | 30,054,496 |
| Luticola goeppertiana | D | 1 | 16,801 | 12,950,671 |
| Luticola mutica | D | 2 | 719 | 421,950 |
| Mayamaea atomus | D | 2 | 15,953 | 514,641 |
| Melosira varians | D | 16 | 250,469 | 1,231,832,428 |
| Meridion circulare var. constrictum | D | 4 | 5,600 | 1,492,472 |
| Merismopedia glauca | BG | 1 | 643,866 | 12,034,106 |
| Navicula absoluta | D | 1 | 4,187 | 998,760 |
| Navicula antonii | D | 9 | 31,906 | 4,776,375 |
| Navicula arvensis | D | 1 | 719 | 43,775 |
| Navicula capitatoradiata | D | 2 | 1,196 | 672,127 |
| Navicula concentrica | D | 8 | 55,835 | 34,511,814 |
| Navicula constans var. symmetrica | D | 1 | 360 | 386,180 |
| Navicula cryptocephala | D | 10 | 34,314 | 11,320,621 |
| Navicula cryptotenella | D | 17 | 68,310 | 16,471,200 |
| Navicula germainii | D | 4 | 39,203 | 17,499,767 |
| Navicula gregaria | D | 11 | 12,255 | 3,225,920 |
| Navicula hintzii | D | 1 | 5,981 | 1,733,616 |
| Navicula ingenua | D | 2 | 2,991 | 129,566 |
| Navicula integra | D | 1 | 3,015 | 1,241,277 |
| Navicula kotschyi | D | 1 | 268 | 62,799 |
| Navicula lanceolata | D | 10 | 15,953 | 23,134,226 |
| Navicula menisculus | D | 4 | 1,414 | 534,228 |
| Navicula minima | D | 21 | 313,086 | 12,682,552 |
| Navicula mobiliensis var. minor | D | 1 | 7,353 | 15,569,915 |
| Navicula peregrina | D | 1 | 101 | 346,236 |
| Navicula pseudotenelloides | D | 1 | 22,402 | 1,201,442 |
| Navicula radiosa | D | 1 | 37 | 41,391 |
| Navicula recens | D | 1 | 1,543 | 777,048 |
| Navicula reichardtiana | D | 1 | 1,720 | 207,842 |
| Navicula reinhardtii | D | 1 | 112 | 297,952 |
| Navicula rhynchocephala | D | 1 | 771 | 551,936 |
| Navicula rostellata | D | 3 | 11,201 | 8,958,057 |
| Navicula ruttnerii var. capitata | D | 2 | 7,178 | 640,216 |
| Navicula schroeteri var. escambia | D | 12 | 66,177 | 48,109,997 |
| Navicula sp. 44 | D | 1 | 3,167 | 3,042,572 |
| Navicula sp. 47 | D | 1 | 6,334 | 334,297 |
| Navicula subadnata | D | 1 | 133 | 995,781 |
| Navicula subminuscula | D | 3 | 31,906 | 2,050,933 |
| Navicula tenelloides | D | 6 | 9,686 | 1,218,147 |
| Navicula tripunctata | D | 7 | 9,316 | 8,675,142 |
| Navicula trivialis | D | 4 | 5,393 | 3,898,691 |
| Navicula veneta | D | 2 | 1,196 | 200,083 |
| Navicula viridulacalcis | D | 2 | 1,794 | 13,459,929 |
| Navicula wallacei | D | 1 | 268 | 97,606 |
| Nitzschia acidoclinata | D | 2 | 489 | 5,728,823 |
| Nitzschia agnita | D | 1 | 15,953 | 1,459,116 |
| Nitzschia amphibia | D | 18 | 624,722 | 121,686,962 |
| Nitzschia angustata | D | 1 | 1,196 | 6,291,970 |
| Nitzschia archibaldii | D | 1 | 15,953 | 997,034 |
| Nitzschia brevissima | D | 1 | 805 | 337,018 |
| Nitzschia capitellata | D | 5 | 9,804 | 3,673,000 |
| Nitzschia dissipata | D | 17 | 239,295 | 59,895,837 |
| Nitzschia filiformis | D | 1 | 2,800 | 2,172,325 |
| Nitzschia fonticola | D | 16 | 199,412 | 18,979,964 |
| Nitzschia fossilis | D | 1 | 2,393 | 28,026,405 |
| Nitzschia gracilis | D | 2 | 1,196 | 432,220 |
| Nitzschia heufleriana | D | 5 | 2,991 | 14,712,836 |
| Nitzschia inconspicua | D | 17 | 311,083 | 9,212,723 |
| Nitzschia intermedia | D | 2 | 1,196 | 828,511 |
| Nitzschia liebethruthii | D | 1 | 1,276 | 114,439 |
| Nitzschia linearis | D | 3 | 17,456 | 47,656,820 |
| Nitzschia linearis var. subtilis | D | 3 | 2,451 | 1,941,599 |
| Nitzschia palea | D | 10 | 12,255 | 3,233,473 |
| Nitzschia palea var. debilis | D | 6 | 19,517 | 2,887,687 |
| Nitzschia perminuta | D | 1 | 101 | 9,803 |
| Nitzschia radicula | D | 1 | 9,686 | 113,457,180 |
| Nitzschia recta | D | 7 | 15,953 | 28,511,891 |
| Nitzschia sigmoidea | D | 13 | 24,214 | 64,554,667 |
| Nitzschia sociabilis | D | 6 | 39,216 | 8,558,069 |
| Nitzschia solita | D | 1 | 5,600 | 1,066,901 |
| Nitzschia tubicola | D | 1 | 1,276 | 288,948 |
| Nitzschia vermicularis | D | 1 | 11,201 | 51,243,212 |
| Nupela silvahercynia | D | 2 | 16,198 | 121,500,890 |
| Nupela sp. 1 | D | 3 | 202,089 | 2,241,256 |
| Nupela wellneri | D | 1 | 1,196 | 8,973,273 |
| Oedogonium sp. | G | 6 | 56,756 | 1,132,047,129 |
| Oscillatoria princeps | BG | 1 | 4,897,853 | 358,250,872 |
| Pandorina morum | G | 1 | 32,885 | 2,795,192 |
| Parlibellus protracta | D | 1 | 37 | 33,772 |
| Phormidium autumnale | BG | 16 | 4,011,385 | 188,628,500 |
| Phormidium retzii | BG | 3 | 150,011 | 22,207,813 |
| Pinnularia divergens | D | 4 | 207 | 1,552,878 |
| Pinnularia microstauron | D | 4 | 4,902 | 5,905,940 |
| Pinnularia sudetica | D | 1 | 638 | 2,370,394 |
| Pinnularia viridis | D | 1 | 1,079 | 5,906,620 |
| Placoneis elginensis | D | 1 | 1,438 | 759,305 |
| Planothidium delicatulum | D | 1 | 1,196 | 368,248 |
| Planothidium frequentissimum | D | 20 | 86,806 | 6,694,362 |
| Planothidium lanceolatum | D | 22 | 215,365 | 53,446,394 |
| Planothidium rostratum | D | 7 | 4,843 | 576,598 |
| Porphyrosiphon luteus | BG | 1 | 1,029,009 | 25,725,232 |
| Porphyrosiphon martensianus | BG | 6 | 3,316,956 | 357,276,740 |
| Psammothidium lauenburgianum | D | 1 | 5,819 | 8,687,172 |
| Pseudanabaena sp. | BG | 8 | 533,669 | 1,387,073 |
| Reimeria sinuata | D | 18 | 91,080 | 15,338,294 |
| Rhoicosphenia abbreviata | D | 25 | 726,420 | 307,435,607 |
| Rhopalodia gibba | D | 1 | 1,196 | 7,244,122 |
| Scenedesmus acutus | G | 1 | 13,354 | 432,707 |
| Scenedesmus denticulatus | G | 1 | 49,219 | 1,000,115 |
| Scenedesmus ecornis | G | 2 | 30,002 | 744,477 |
| Scenedesmus quadricauda | G | 2 | 30,002 | 988,363 |
| Sellaphora laevissima | D | 2 | 805 | 895,327 |
| Sellaphora pupula | D | 8 | 16,801 | 7,770,995 |
| Sellaphora seminulum | D | 21 | 143,577 | 486,913,494 |
| Simonsenia delognei | D | 4 | 8,728 | 456,124 |
| Spirogyra sp. | G | 1 | 10,016 | 808,152,137 |
| Stauroneis kriegeri | D | 4 | 805 | 124,252 |
| Stauroneis phoenicenteron | D | 1 | 207 | 11,516,940 |
| Staurosira construens | D | 2 | 11,385 | 2,379,854 |
| Staurosira construens var. binodis | D | 2 | 137,210 | 68,470,231 |
| Staurosira construens var. subsalina | D | 1 | 11,201 | 3,170,875 |
| Staurosira construens var. venter | D | 4 | 106,542 | 9,569,688 |
| Staurosira elliptica | D | 1 | 117 | 5,501 |
| Staurosirella pinnata | D | 1 | 62,956 | 10,134,217 |
| Stephanodiscus hantzschii | D | 1 | 360 | 115,171 |
| Stephanodiscus minutulus | D | 1 | 202 | 58,697 |
| Stigeoclonium lubricum | G | 1 | 213,468 | 84,043,977 |
| Surirella amphioxys | D | 1 | 360 | 384,625,288 |
| Surirella angusta | D | 6 | 5,600 | 6,141,920 |
| Surirella biseriata | D | 2 | 5,600 | 89,695,680 |
| Surirella brebissonii var. kuetzingii | D | 4 | 11,637 | 11,901,456 |
| Synedra acus | D | 2 | 2,909 | 4,921,361 |
| Synedra parasitica | D | 6 | 52,367 | 4,721,265 |
| Synedra parasitica var. subconstricta | D | 2 | 1,276 | 126,279 |
| Synedra ulna | D | 16 | 22,402 | 124,196,962 |
| Tabellaria flocculosa | D | 1 | 268 | 121,629 |
| Thalassiosira pseudonana | D | 3 | 15,953 | 763,341 |
| Trachelomonas volvocina | E | 2 | 5,930 | 8,715,732 |
| Tryblionella apiculata | D | 2 | 5,600 | 2,114,415 |
| Tryblionella calida | D | 2 | 5,600 | 6,062,124 |
| Tryblionella debilis | D | 1 | 4,902 | 1,807,780 |
| Tryblionella victoriae | D | 1 | 268 | 3,142,500 |
| Unknown Cyanophyte (colonial coccoid) | BG | 8 | 113,512 | 143,431,520 |
| Unknown Cyanophyte (colonial coccoid) | BG | 1 | 6,180,652 | 2,697,679,030 |
| Unknown Rhodophyte Florideophycidae (chantransia) | R | 25 | 2,442,559 | 1,174,999,542 |
U.S. Department of the Interior | U.S. Geological Survey
URL: https://pubs.usgs.gov/sir/2006/5101-D
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