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Plectus of the Prairie: A Case Study of Taxonomic Resolution from a Nematode Biodiversity Survey

Abigail Borgmeier
Abigail Borgmeier
, 
Kaitlin Gattoni
Kaitlin Gattoni
, 
Tim Harris
Tim Harris
, 
Rebecca Higgins
Rebecca Higgins
, 
Peter Mullin
Peter Mullin
, 
Dorota Porazinska
Dorota Porazinska
, 
Kirsten Powers
Kirsten Powers
, 
David Wedin
David Wedin
 et 
Thomas Powers
Thomas Powers
   | 29 oct. 2022
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Article Category: Research Paper
Publié en ligne: 29 oct. 2022
Pages: -
Reçu: 31 mai 2022
DOI: https://doi.org/10.2478/jofnem-2022-0039
Mots clés
© 2022 Borgmeier et al., published by Sciendo
This work is licensed under the Creative Commons Attribution 4.0 International License.

Figure 1

Map of Nebraska and location of the 16-km-long Lancaster County Prairie Corridor. Orange dots indicate the 15 remnant prairie sites.
Map of Nebraska and location of the 16-km-long Lancaster County Prairie Corridor. Orange dots indicate the 15 remnant prairie sites.

Figure 2

Two general Plectus morphotypes. (A, C) Illustrate the small amphid, short-tailed type; (B, D) Illustrate the large amphid, long-tailed type.
Two general Plectus morphotypes. (A, C) Illustrate the small amphid, short-tailed type; (B, D) Illustrate the large amphid, long-tailed type.

Figure 3

ML COI phylogenetic tree of Plectus specimens. Brackets denote the 20 major haplotype groups. Habitat type for each of these groups is indicated, as well as tail length-amphid size morphology for the Prairie Corridor groups. Taxon labels include the Nematode Identification Number, the genus name, and sample location. GenBank accessions are labeled with their accession number and complete name. Some haplotype groups were collapsed when identical sequences represented the group. Red numbers represent the bootstrap values from 1,000 iterations. All 44 Prairie Corridor specimens are labeled as such. ML, maximum likelihood.
ML COI phylogenetic tree of Plectus specimens. Brackets denote the 20 major haplotype groups. Habitat type for each of these groups is indicated, as well as tail length-amphid size morphology for the Prairie Corridor groups. Taxon labels include the Nematode Identification Number, the genus name, and sample location. GenBank accessions are labeled with their accession number and complete name. Some haplotype groups were collapsed when identical sequences represented the group. Red numbers represent the bootstrap values from 1,000 iterations. All 44 Prairie Corridor specimens are labeled as such. ML, maximum likelihood.

Figure 4

A representation of body length and overall morphology from select haplotype groups. NID and group numbers correspond to placement on the COI tree.
A representation of body length and overall morphology from select haplotype groups. NID and group numbers correspond to placement on the COI tree.

Figure 5

Select anterior body morphology of different haplotype groups.
Select anterior body morphology of different haplotype groups.

Figure 6

Representative cephalic regions and stomas of seven haplotype groups. Groups 3, 4, and 6 display offset cephalic regions and relatively small diameter amphids, compared to the continuous head regions and larger amphid diameters of groups 8, 9, 17, and 20. Heavier anterior sclerotization of the stoma is seen in groups 3 and 4 compared to the long, tapered stomas of 8, 9, 17, and 20.
Representative cephalic regions and stomas of seven haplotype groups. Groups 3, 4, and 6 display offset cephalic regions and relatively small diameter amphids, compared to the continuous head regions and larger amphid diameters of groups 8, 9, 17, and 20. Heavier anterior sclerotization of the stoma is seen in groups 3 and 4 compared to the long, tapered stomas of 8, 9, 17, and 20.

Figure 7

Relative tail lengths and anal body widths in different haplotype groups.
Relative tail lengths and anal body widths in different haplotype groups.

Figure 8

ML tree of 18S sequences. OTUs from metabarcoding are highlighted in yellow. Sanger sequences from the prairie corridor are highlighted in green. Numbers following the genus name correspond to COI clade. GenBank accessions are included with their full species name. ML, maximum likelihood; OTUs, operational taxonomic units.
ML tree of 18S sequences. OTUs from metabarcoding are highlighted in yellow. Sanger sequences from the prairie corridor are highlighted in green. Numbers following the genus name correspond to COI clade. GenBank accessions are included with their full species name. ML, maximum likelihood; OTUs, operational taxonomic units.

Figure 9

Scanning electron micrograph of short-tailed specimen exhibiting caudal setae near tail terminus on dorsal surface.
Scanning electron micrograph of short-tailed specimen exhibiting caudal setae near tail terminus on dorsal surface.

Figure 10

Scanning Electron Micrograph of corresponding heads and tails of long-tailed morphotype (A, B) and short-tailed morphotypes (C, D and E, F).
Scanning Electron Micrograph of corresponding heads and tails of long-tailed morphotype (A, B) and short-tailed morphotypes (C, D and E, F).

Within-a and between-group distances.

Plectus frigophilus Plectus sp. 2 Plectus sp. 3 Plectus sp. 4 Plectus sp. 6 Plectus sp. 7 Plectus sp. 8 Plectus sp. 9 Plectus sp. 10 Plectus sp. 11
Plectus frigophilus 0.01445
Plectus sp. 2 0.145469 0.0458
Plectus sp. 3 0.132330 0.105149 0.02642
Plectus sp. 4 0.144087 0.152672 0.153299 0.00254
Plectus sp. 6 0.164902 0.144402 0.142419 0.136768 0.00636
Plectus sp. 7 0.161954 0.152672 0.162706 0.153944 0.169847 0
Plectus sp. 8 0.147804 0.152248 0.148707 0.148007 0.155428 0.094996 0.00339
Plectus sp. 9 0.158646 0.164758 0.172045 0.123410 0.152672 0.133588 0.147371 0.00763
Plectus sp. 10 0.146456 0.148855 0.149938 0.115776 0.157125 0.124682 0.118745 0.086514 n/cb
Plectus sp. 11 0.146744 0.150763 0.146703 0.131043 0.163486 0.141221 0.154368 0.113868 0.124682 0.03053
Plectus murrayi 0.147902 0.166545 0.155100 0.138186 0.175413 0.156327 0.163139 0.100769 0.123120 0.100899
Plectus sp. 14 0.142599 0.149703 0.147779 0.139525 0.155428 0.141645 0.139949 0.118533 0.106022 0.114080
Plectus sp. 15 0.173392 0.161578 0.172686 0.151399 0.174936 0.145038 0.153520 0.128499 0.114504 0.133588
Plectus sp. 16 0.169633 0.170059 0.168288 0.152248 0.166455 0.143342 0.146735 0.132740 0.116200 0.120865
Plectus sp. 17 0.165902 0.176845 0.164923 0.137405 0.144402 0.153944 0.172604 0.145038 0.138677 0.131679
Plectus sp. 18 0.163522 0.174936 0.170885 0.146310 0.157761 0.152672 0.158609 0.148855 0.131679 0.132316
Plectus sp. 19 0.176055 0.180662 0.169356 0.152248 0.160517 0.146735 0.153520 0.151612 0.134012 0.133164
Plectus sp. 20 0.175147 0.172392 0.166065 0.148219 0.160760 0.156398 0.165243 0.157397 0.130225 0.128862
Plectus sp. 5 0.130518 0.148551 0.143198 0.107337 0.163043 0.163043 0.150060 0.156703 0.142210 0.151721
Plectus sp. 12 0.147765 0.161232 0.156868 0.132699 0.161232 0.154891 0.162138 0.110960 0.134964 0.101449

Prairie Corridor specimen measurements from images.

Group NID Taxon Stage Initial characterization
 Voucher measurements in micrometer
Amphid Tail Tail length Anal body width c´ ratio Amphid width Neck width at amphid Amphid/ neck width (%)
3 NID Plectus F Small, Short 65 26.7 2.4 2 19 0.11
12485 sp. 3 round
3 NID Plectus J Small, Short 35 15 2.3 2.5 17.5 0.14
13239 sp. 3 round
3 NID Plectus J Small, Short 62 28 2.2 NA NA NA
13543 sp. 3 round
3 NID Plectus J Small, Short 70 29.4 2.4 2.5 NA NA
13030 sp. 3 round
3 NID Plectus J Small, Short 61 28.9 2.1 2.5 16.6 0.15
13045 sp. 3 round
3 NID Plectus J Small, Short 65 27.5 2.4 NA NA NA
13255 sp. 3 round
3 NID Plectus J Small, Short 66 28.9 2.3 2 17.5 0.11
13357 sp. 3 round
3 NID Plectus J Small, Short 63 25.2 2.5 2 16.2 0.12
13530 sp. 3 round
3 NID Plectus J Small, Short 63 28.9 2.2 2 17 0.12
13538 sp. 3 round
3 NID Plectus J Small, Short 70 29 2.4 2.5 12 0.21
11764 sp. 3 round
3 NID Plectus J Small, Short 74 34 2.2 2 12 0.17
11765 sp. 3 round
4 NID Plectus J Small, Short 77 25 3.1 2.5 17 0.15
13280 sp. 4 round
4 NID Plectus F Small, Short 94 33.6 2.8 2 20.4 0.10
13608 sp. 4 round
6 NID Plectus J Small, Short 72 27.6 2.6 3 15.7 0.19
13176 sp. 6 round
6 NID Plectus J Small, Short 75 27.2 2.8 2.5 17 0.15
13287 sp. 6 round
6 NID Plectus J Small, Short 92 33.6 2.7 3 18.3 0.16
13425 sp. 6 round
17 NID Plectus F Large, Long 129 33.2 3.9 4 17.9 0.22
13180 sp. 17 round
17 NID Plectus F Large, Long 120 28.5 4.2 5 20.4 0.25
13460 sp. 17 round
18 NID Plectus F Large, Long 91.6 17.4 5.3 3.5 13.6 0.26
13465 sp. 18 round
19 NID Plectus F Large, Long 105 18 5.8 3.3 12.5 0.26
12733 sp. 19 round
20 NID Plectus F Large, Long 92.5 17 5.4 3.5 14 0.25
13403 sp. 20 round
20 NID Plectus F Large, Long 94 18.3 5.1 3.5 15.3 0.23
13479 sp. 20 round
20 NID Plectus F Large, Long 85 18.3 4.6 4 14.5 0.28
13486 sp. 20 round
20 NID Plectus F Large, Long 88 16.2 5.4 4 14.9 0.27
13444 sp. 20 round
20 NID Plectus J Large, Long 102 20 5.1 4 15.3 0.26
13440 sp. 20 round
20 NID Plectus F Large, Long 94 18.7 5.0 3 14.9 0.20
13118 sp. 20 round
20 NID Plectus J Large, Long 110 20.8 5.3 4.5 16.2 0.28
13133 sp. 20 round
20 NID Plectus F Large, Long 97 19.6 4.9 3.5 14.9 0.23
13203 sp. 20 round
20 NID Plectus F Large, Long 98 17 5.8 4.5 14.9 0.30
13225 sp. 20 round
20 NID Plectus F Large, Long 96 20.4 4.7 4 14.9 0.27
13329 sp. 20 round
20 NID Plectus J Large, Long 78 13.6 5.7 3.5 11.5 0.30
13344 sp. 20 round
20 NID Plectus F Large, Long 100 17 5.9 4 14.5 0.28
13369 sp. 20 round
20 NID Plectus F Large, Long 94 17.9 5.2 4 13.6 0.29
13471 sp. 20 round
20 NID Plectus F Large, Long 99 19.6 5.0 NA NA NA
13491 sp. 20 round
20 NID Plectus F Large, Long 93 19.1 4.9 3.5 15.7 0.22
13587 sp. 20 round
20 NID Plectus F Large, Long 78 17.9 4.4 4 13.6 0.29
13598 sp. 20 round
20 NID Plectus F Large, Long 91 18.3 5.0 3.5 14 0.25
13601 sp. 20 round
20 NID Plectus F Large, Long 88 16.2 5.4 4.5 14 0.32
13622 sp. 20 round
20 NID Plectus F Large, Long 108 20 5.4 3.5 14.9 0.23
13628 sp. 20 round
20 NID Plectus F Large, Long 92 18.3 5.0 3.4 14.9 0.23
13641 sp. 20 round

Measurements of non-Prairie Corridor Plectus specimens.

Taxon (n) Group 16 (3) keys to Plectus aquatilis Group 14 (3) keys to P. cirratus Group 9 (4) keys to P. cirratus Group 8 (3) keys to Plectus longicaudatus Group 13 (5) keys to P. murrayi Group 15 (4) keys to P. palustris
L 1,394.9 ± 191.0 1,170.6 ± 78.4 1,032.7 ± 111.3 696.8 ± 35.1 883.8 ± 25.7 1,642.0 ± 141.5
(1,183–1,646) (1,071–1,262) (874–1,176) (654–740) (840–917) (1,411–1,778)
Tail 156.7 ± 15.3 123.8 ± 10.1 104.1 ± 10.8 100.2 ± 6.9 101.3 ± 5.2 224.7 ± 17.8
length (145–178) (110–135) (88–117) (91–107) (94–109) (200–246)
a 21.5 ± 0.7 27.3 ± 3.4 24.6 ± 2.5 26.7 ± 1.9 23.0 ± 0.8 34.2 ± 3.0
(20.8–22.5) (22.7–30.7) (20.6–27.2) (24.5–29.2) (22.0–24.2) (31.0–38.9)
b 4.5 ± 0.3 3.7 ± 0.1 4.0 ± 0.2 3.6 ± 0.0 4.1 ± 0.1 4.8 ± 0.3
(4.2–4.9) (3.7–3.8) (3.6–4.1) (3.6–3.7) (4.0–4.2) (4.3–5.0)
c 8.9 ± 0.5 9.5 ± 0.5 9.9 ± 0.1 7.0 ± 0.2 8.7 ± 0.3 7.3 ± 0.2
(8.2–9.2) (8.8–10.0) (9.8–10.1) (6.7–7.2) (8.3–9.1) (7.1–7.6)
c´ 4.8 ± 0.1 5.0 ± 0.5 4.2 ± 0.3 8.1 ± 0.9 4.8 ± 0.3 8.1 ± 0.4
(4.6–4.9) (4.4–5.5) (4.0–4.7) (6.9–8.7) (4.1–5.1) (7.6–8.7)
V% 49.6 ± 0.9 49.8 ± 0.7 49.9 ± 0.9 47.9 ± 0.5 48.1 ± 0.4 46.2 ± 0.5
(48.4–50.5) (48.8–50.6) (49.0–51.3) (47.2–48.5) (47.8–48.9) (45.7–47.0)
V–A/T 3.5 ± 0.3 3.8 ± 0.3 4.0 ± 0.1 2.6 ± 0.1 3.5 ± 0.2 2.9 ± 0.1
(3.1–3.8) (3.4–4.1) (3.8–4.1) (2.6–2.8) (3.3–3.8) (2.8–3.1)
LR W/H 2.5 ± 0.3 2.6 ± 0.3 2.7 ± 0.1 2.0 ± 0.4 2.3 ± 0.3 2.0 ± 0.2
(2.0–2.8) (2.3–3.0) (2.6–2.8) (1.5–2.3) (2.1–2.7) (1.6–2.2)
rec/abw 0.8 ± 0.1 1.2 ± 0.1 1.0 ± 0.2 1.9 ±0.2 1.0 ± 0.2 1.2 ± 0.1
(0.7–0.9) (1.1–1.3) (0.8–1.3) (1.7–2.2) (0.7–1.1) (1.1–1.3)
Ceph 3.5 ± 0.6 (3–4) 3.5 ± 0.9 (3–5) 3.7 ± 0.8 (3–5) 3.2 ± 0.1 (3–3) 3.4 ± 0.5 (3–4) 3.0 ± 0.2 (3–3)
set L
Ceph 5.9 ± 0.6 (5–7) 5.8 ± 0.8 (5–7) 6.5 ± 1.0 (5–8) 5.1 ± 0.5 (4–6) 5.5 ± 0.8 (5–7) 6.0 ± 1.0 (5–7)
set pos
Set L/ 26.5 ± 5.5 25.5 ± 3.1 29.1 ± 5.3 38.7 ± 9.4 31.3 ± 6.1 24.5 ± 1.9
lrw% (19.3–32.7) (22.3–29.7) (22.4–35.2) (31.6–52.0) (21.2–39.5) (22.9–27.7)
Amphid 3.5 ± 0.4 (3–4) 3.3 ± 0.2 (3–3) 3.5 ± 0.5 (3–4) 3.1 ± 0.1 (3–3) 2.5 ± 0.2 (2–3) 3.4 ± 0.3 (3–4)
W
Amp 0.9 ± 0.1 0.9 ± 0.0 0.8 ± 0.1 0.7 ± 0.1 1.0 ± 0.1 1.0 ± 0.2
L/W (0.8–1.0) (0.9–0.9) (0.6–0.9) (0.6–0.9) (0.9–1.2) (0.8–1.3)
Amphid 12.3 ± 0.5 10.3 ± 1.4 13.0 ± 1.1 8.4 ± 0.6 (8–9) 11.2 ± 1.1 14.2 ± 0.5
pos (12–13) (8–12) (12–15) (10–13) (13–15)
Amp W/ 19.9 ± 2.8 18.6 ± 2.5 19.8 ± 2.8 26.6 ± 0.9 15.5 ± 2.0 18.5 ± 2.1
head% (17.5–23.9) (15.2–20.9) (15.8–23.3) (25.5–27.7) (13.2–18.5) (16.0–21.7)
Stoma L 24.3 ± 0.1 24.3 ± 3.5 24.1 ± 4.3 18.3 ± 2.2 21.4 ± 3.8 27.0 ± 2.1
(24–24) (19–28) (20–31) (17–21) (16–27) (24–30)
Stoma 7.4 ±1.2 6.7 ± 2.0 7.3 ± 2.1 5.5 ± 0.7 8.7 ± 3.5 9.5 ± 1.3
L/W (6.1–8.9) (4.6–9.5) (4.2–9.5) (4.8–6.2) (6.0–15.4) (7.5–10.9)
Sto W/ 21.8 ±1.8 26.7 ± 7.8 24.6 ±7.3 31.9 ± 2.2 21.3 ± 4.8 20.8 ± 2.1
head% (19.3–23.5) (16.2–34.7) (19.7–37.2) (29.7–34.1) (12.3–26.7) (18.3–24.1)
Prosto/ 30.3 ± 2.0 24.8 ± 7.0 32.1 ± 4.1 31.2 ± 1.0 22.8 ± 4.4 30.8 ± 2.7
sto% (27.8–32.7) (18.3–34.6) (27.8–38.8) (29.9–32.4) (15.7–28.6) (27.8–35.1)
Exc 56.3 ± 0.8 54.1 ± 0.8 53.9 ± 3.5 54.1 ± 1.6 57.2 ± 0.7 56.2 ± 0.7
Pore% (55.6–57.4) (53.1–55.1) (48.3–57.1) (52.5–55.7) (56.4–58.5) (55.4–57.0)
Cerv 208.9 ± 50.2 192.1 ± 27.3 147.2 ± 13.6 90.0 ± 0.0 130.9 ± 3.2 202.3 ± 8.3
papilla (167–279) (165–229) (134–170) (90–90) (126–134) (191–214)
Body 1.7 ± 0.3 1.2 ± 0.0 1.6 ± 0.1 1.0 ± 0.0 1.3 ± 0.1 1.5 ± 0.2
ann W (1.3–2.0) (1.1–1.2) (1.4–1.7) (0.9–1.1) (1.2–1.4) (1.2–1.7)
G’1% 25.0 ± 1.7 19.6 ± 2.9 20.5 ± 2.7 14.0 ± 0.7 16.6 ± 2.2 20.0 ± 2.0
(23.3–26.7) (15.9–23.0) (16.5–23.3) (12.9–14.6) (13.5–19.8) (17.9–22.4)
G’2% 25.5 ± 2.8 18.7 ± 3.1 18.2 ± 3.2 17.1 ± 2.6 18.0 ± 3.4 20.1 ± 2.0
(22.7–28.2) (14.7–22.4) (13.4–21.3) (14.3–20.5) (14.4–22.3) (17.0–22.2)
Spin 1.5 ± 0.1 1.7 ± 0.2 1.2 ± 0.1 1.1 ± 0.5 1.3 ± 0.4 2.0 ± 0.6
L/W (1.3–1.6) (1.5–2.0) (1.1–1.4) (0.6–1.6) (0.8–1.9) (1.3–2.8)

Specimen collection information.

Group NID Species Site Location Marker GB Accession #
1 N11040 Plectus frigophilus Lake Bonney McMurdo Dry Valleys, Antarctica COI OP208981
1 N11213 Plectus frigophilus Lake Fryxell McMurdo Dry Valleys, Antarctica COI OP208968
1 N11461 Plectus frigophilus Lake Fryxell McMurdo Dry Valleys, Antarctica COI OP208969
1 N11211 Plectus frigophilus Lake Fryxell McMurdo Dry Valleys, Antarctica COI OP208970
1 N11110 Plectus frigophilus Lake Fryxell McMurdo Dry Valleys, Antarctica COI OP208971
1 N11042 Plectus frigophilus Lake Bonney McMurdo Dry Valleys, Antarctica COI OP208973
1 N11146 Plectus frigophilus Lake Bonney McMurdo Dry Valleys, Antarctica COI OP208976
1 N11041 Plectus frigophilus Lake Bonney McMurdo Dry Valleys, Antarctica COI OP208977
1 N11526 Plectus frigophilus Lake Fryxell McMurdo Dry Valleys, Antarctica COI OP208978
1 N11142 Plectus frigophilus Lake Bonney McMurdo Dry Valleys, Antarctica COI OP208979
1 N11215 Plectus frigophilus Lake Fryxell McMurdo Dry Valleys, Antarctica COI OP208980
1 N11161 Plectus frigophilus Lake Bonney McMurdo Dry Valleys, Antarctica COI OP208982
1 N11035 Plectus frigophilus Lake Bonney McMurdo Dry Valleys, Antarctica COI OP208983
1 N11034 Plectus frigophilus Lake Bonney McMurdo Dry Valleys, Antarctica COI OP208984
1 N11109 Plectus frigophilus Lake Fryxell McMurdo Dry Valleys, Antarctica COI OP208985
1 N11121 Plectus frigophilus Lake Fryxell McMurdo Dry Valleys, Antarctica COI OP208986
1 N11140 Plectus frigophilus Lake Bonney McMurdo Dry Valleys, Antarctica COI OP208987
1 N11216 Plectus frigophilus Lake Fryxell McMurdo Dry Valleys, Antarctica COI OP208989
1 N11227 Plectus frigophilus Lake Fryxell McMurdo Dry Valleys, Antarctica COI OP208990
1 N11218 Plectus frigophilus Lake Fryxell McMurdo Dry Valleys, Antarctica COI OP208992
1 N11473 Plectus frigophilus Lake Fryxell McMurdo Dry Valleys, Antarctica COI OP208993
1 N11209 Plectus frigophilus Lake Fryxell McMurdo Dry Valleys, Antarctica COI OP208988
1 N12079 Plectus frigophilus Lake Bonney McMurdo Dry Valleys, Antarctica COI OP208991
1 N11107 Plectus frigophilus Lake Fryxell McMurdo Dry Valleys, Antarctica COI OP208972
1 N11033 Plectus frigophilus Lake Bonney McMurdo Dry Valleys, Antarctica COI OP208974
1 N11047 Plectus frigophilus Garwood Valley McMurdo Dry Valleys, Antarctica COI OP208975
2 N11873 Plectus sp. 2 Barley field Hall County, MT COI OP208994
2 N11874 Plectus sp. 2 Barley field Hall County, MT COI OP208995
3 N13530 Plectus sp. 3 Spring Creek Prairie Prairie Corridor, Lancaster County, NE COI OP209006
3 N13357 Plectus sp. 3 Eggerling Prairie Prairie Corridor, Lancaster County, NE COI OP209005
3 N13255 Plectus sp. 3 Spring Creek Prairie Prairie Corridor, Lancaster County, NE COI OP209004
3 N13045 Plectus sp. 3 Pioneers Park Prairie Prairie Corridor, Lancaster County, NE COI OP209003
3 N11765 Plectus sp. 3 Spring Creek Prairie Prairie Corridor, Lancaster County, NE COI OP209001
3 N13543 Plectus sp. 3 Becker Prairie Prairie Corridor, Lancaster County, NE COI OP209000
3 N11764 Plectus sp. 3 Spring Creek Prairie Prairie Corridor, Lancaster County, NE COI OP209002
3 N13030 Plectus sp. 3 Semani Prairie Prairie Corridor, Lancaster County, NE COI OP208999
3 N12485 Plectus sp. 3 Eggerling Soybean Field Prairie Corridor, Lancaster County, NE COI OP208998
3 N13239 Plectus sp. 3 Pioneers Park Prairie Prairie Corridor, Lancaster County, NE COI 18S OP208996 OP205456
3 P194018 Plectus sp. 3 Konza Prairie Riley County, KS COI OP208997
a N11865 Plectus sp. Arctic Preserve Utqiaghk, AK COI OP209007
4 N13608 Plectus sp. 4 Eggerling Prairie Prairie Corridor, Lancaster County, NE COI OP209009
4 N13280 Plectus sp. 4 Pioneers Park Prairie Prairie Corridor, Lancaster County, NE COI 18S OP209008 OP205457
5 KU759331.1 Plectus parietinus GenBank COI KU759331.1
5 KU759327.1 Plectus parietinus GenBank COI KU759327.1
5 KU759330.1 Plectus parietinus GenBank COI KU759330.1
6 N13176 Plectus sp. 6 Eggerling Prairie Prairie Corridor, Lancaster County, NE COI 18S OP209010 OP205453
6 N13287 Plectus sp. 6 Spring Creek Prairie Prairie Corridor, Lancaster County, NE COI OP209011
6 N13425 Plectus sp. 6 Spring Creek Prairie Prairie Corridor, Lancaster County, NE COI OP209012
6 N13614 Plectus sp. 6 Eggerling Prairie Prairie Corridor, Lancaster County, NE COI OP209013
a N8809 Plectus sp. Brendan C. Byrne State Forest Burlington County, NJ COI OP209014
7 N1023 Plectus sp. 7 LeConte ATBI Site Great Smoky Mountains Nat’l Park COI OP209016
7 N4342 Plectus sp. 7 Brushy Mountain ATBI Site Great Smoky Mountains Nat’l Park COI OP209015
8 N8808 Plectus sp. 8 Brendan C. Byrne State Forest Burlington County, NJ COI OP209017
8 N8817 Plectus sp. 8 Brendan C. Byrne State Forest Burlington County, NJ COI OP209018
8 N8828 Plectus sp. 8 Brendan C. Byrne State Forest Burlington County, NJ COI OP209019
9 N4244 Plectus sp. 9 Canyonlands South Big Thicket National Preserve, TX COI OP209020
9 N9213 Plectus sp. 9 Maddron Bald Great Smoky Mountains Nat’l Park COI OP209021
9 N9237 Plectus sp. 9 Maddron Bald Great Smoky Mountains Nat’l Park COI OP209022
9 N8797 Plectus sp. 9 Brendan C. Byrne State Forest Burlington County, NJ COI OP209023
10 N8706 Plectus sp. 10 Lesund Møre og Romsdal, Norway COI OP209024
a N9166 Plectus sp. Brendan C. Byrne State Forest Burlington County, NJ COI OP209025
11 P87048 Plectus sp. 11 Haughton Crater Devon Island, Canada COI OP209026
11 P88010 Plectus sp. 11 Haughton Crater Devon Island, Canada COI OP209027
a P89090 Plectus sp. Nine-Mile Prairie Prairie Corridor, Lancaster County, NE COI OP209028
a P86098 Plectus sp. Konza Prairie Riley County, KS COI OP209029
a P89089 Plectus sp. Nine-Mile Prairie Prairie Corridor, Lancaster County, NE COI OP209030
12 KU759349.1 Plectus parvus GenBank COI KU759349.1
12 KU759350.1 Plectus parvus GenBank COI KU759350.1
12 KU759348.1 Plectus parvus GenBank COI KU759348.1
13 N11013 Plectus murrayi Lake Hoare McMurdo Dry Valleys, Antarctica COI OP209035
13 N11018 Plectus murrayi. Lake Fryxell McMurdo Dry Valleys, Antarctica COI OP209036
13 N11028 Plectus murrayi Lake Fryxell McMurdo Dry Valleys, Antarctica COI OP209037
13 N11185 Plectus murrayi Taylor Valley McMurdo Dry Valleys, Antarctica COI OP209038
13 N11199 Plectus murrayi Scott Base Botany Bay, Antarctica COI OP209039
13 N11719 Plectus murrayi Lake Miers Valley McMurdo Dry Valleys, Antarctica COI OP209040
13 N9870 Plectus murrayi Scott Base Botany Bay, Antarctica COI OP209031
13 N9873 Plectus murrayi Scott Base Botany Bay, Antarctica COI OP209032
13 N9880 Plectus murrayi Taylor Valley McMurdo Dry Valleys, Antarctica COI OP209033
13 N9892 Plectus murrayi Hjorth Hill McMurdo Dry Valleys, Antarctica COI OP209034
a N9135 Plectus sp. Tipple Trail Medicine Bow-Routt Nat’l Forest, WY COI OP209041
14 N8916 Plectus sp. 14 Snowy Range Medicine Bow-Routt Nat’l Forest, WY COI OP209042
14 N8869 Plectus sp. 14 Happy Jack Trail Medicine Bow-Routt Nat’l Forest, WY COI OP209043
14 N8874 Plectus sp. 14 Happy Jack Trail Medicine Bow-Routt Nat’l Forest, WY COI OP209044
15 N12416 Plectus sp. 15 Island Lake Nebraska Sandhills, Garden County, NE COI OP209045
15 N12419 Plectus sp. 15 Island Lake Nebraska Sandhills, Garden County, NE COI OP209046
15 N12414 Plectus sp. 15 Island Lake Nebraska Sandhills, Garden County, NE COI OP209047
15 N12402 Plectus sp. 15 Island Lake Nebraska Sandhills, Garden County, NE COI OP209048
16 N12101 Plectus sp. 16 Border Lake Nebraska Sandhills, Garden County, NE COI OP209049
16 N12128 Plectus sp. 16 Gimlet Lake Nebraska Sandhills, Garden County, NE COI OP209050
16 N12228 Plectus sp. 16 Bean Lake Nebraska Sandhills, Garden County, NE COI OP209051
a N8576 Plectus sp. El Yunque National Forest Puerto Rico COI OP209052
a N8582 Plectus sp. El Yunque National Forest Puerto Rico COI OP209053
a N9089 Plectus sp. Henning Conservation Area Taney County, MO COI OP209054
a P30012 Plectus sp. Konza Prairie Riley County, KS COI OP209055
17 N13180 Plectus sp. 17 Eggerling Prairie Prairie Corridor, Lancaster County, NE COI 18S OP209056 OP205467
17 N13460 Plectus sp. 17 Eggerling Prairie Prairie Corridor, Lancaster County, NE COI OP209057
a N11872 Plectus sp. Arctic Preserve Utqiaghk, AK COI OP209058
a N8374 Plectus sp. Dombas/Hjelle Seter Oppland, Norway COI OP209060
a N9370 Plectus sp. Happy Jack Trail Medicine Bow-Routt Nat’l Forest, WY COI OP209059
a N8689 Plectus sp. Hjerkinn Oppland, Norway COI OP209061
a N9059 Plectus sp. Łukęcin West Pomerania, Poland COI OP209062
a N11847 Plectus sp. Arctic Preserve Utqiaghk, AK COI OP209063
18 P89028 Plectus sp. 18 Konza Prairie Riley County, KS COI OP209066
18 P89030 Plectus sp. 18 Konza Prairie Riley County, KS COI OP209064
18 N13465 Plectus sp. 18 Eggerling Prairie Prairie Corridor, Lancaster County, NE COI OP209065
18 P117056 Plectus sp. 18 Konza Prairie Riley County, KS COI OP209067
19 N9339 Plectus sp. 19 Drury-Mincy Conserv. Area Taney County, MO COI OP209068
19 N12733 Plectus sp. 19 Twin Creek Prairie Prairie Corridor, Lancaster County, NE COI OP209069
19 P89081 Plectus sp. 19 Konza Prairie Riley County, KS COI OP209070
20 P90058 Plectus sp. 20 Nine-Mile Prairie Prairie Corridor, Lancaster County, NE COI OP209071
20 P90062 Plectus sp. 20 Nine-Mile Prairie Prairie Corridor, Lancaster County, NE COI OP209072
20 P90057 Plectus sp. 20 Nine-Mile Prairie Prairie Corridor, Lancaster County, NE COI OP209073
20 N13403 Plectus sp. 20 Pioneers Park Prairie Prairie Corridor, Lancaster County, NE COI OP209074
20 N13479 Plectus sp. 20 Pioneers Park Prairie Prairie Corridor, Lancaster County, NE COI OP209075
20 N13486 Plectus sp. 20 Pioneers Park Prairie Prairie Corridor, Lancaster County, NE COI OP209076
20 N13444 Plectus sp. 20 Spring Creek Prairie Prairie Corridor, Lancaster County, NE COI OP209077
20 N13440 Plectus sp. 20 Spring Creek Prairie Prairie Corridor, Lancaster County, NE COI OP209078
20 N13329 Plectus sp. 20 Pioneers Park Prairie Prairie Corridor, Lancaster County, NE COI 18S OP209083 OP205458
20 N13344 Plectus sp. 20 Spring Creek Prairie Prairie Corridor, Lancaster County, NE COI 18S OP209084 OP205459
20 N13225 Plectus sp. 20 Pioneers Park Prairie Prairie Corridor, Lancaster County, NE COI 18S OP209082 OP205455
20 N13203 Plectus sp. 20 Eggerling Prairie Prairie Corridor, Lancaster County, NE COI 18S OP209081 OP205454
20 N13133 Plectus sp. 20 Pioneers Park Prairie Prairie Corridor, Lancaster County, NE COI OP209080
20 N13118 Plectus sp. 20 Pioneers Park Prairie Prairie Corridor, Lancaster County, NE COI 18S OP209079 OP205452
20 N13369 Plectus sp. 20 Eggerling Prairie Prairie Corridor, Lancaster County, NE COI 18S OP209085 OP205460
20 N13471 Plectus sp. 20 Pioneers Park Prairie Prairie Corridor, Lancaster County, NE COI OP209086
20 N13491 Plectus sp. 20 Pioneers Park Prairie Prairie Corridor, Lancaster County, NE COI OP209087
20 N13587 Plectus sp. 20 Spring Creek Prairie Prairie Corridor, Lancaster County, NE COI OP209088
20 N13598 Plectus sp. 20 Spring Creek Prairie Prairie Corridor, Lancaster County, NE COI OP209089
20 N13601 Plectus sp. 20 Spring Creek Prairie Prairie Corridor, Lancaster County, NE COI OP209090
20 N13622 Plectus sp. 20 Pioneers Park Prairie Prairie Corridor, Lancaster County, NE COI OP209091
20 N13628 Plectus sp. 20 Pioneers Park Prairie Prairie Corridor, Lancaster County, NE COI OP209092
20 N13638 Plectus sp. 20 Pioneers Park Prairie Prairie Corridor, Lancaster County, NE COI OP209093
20 N13641 Plectus sp. 20 Pioneers Park Prairie Prairie Corridor, Lancaster County, NE COI OP209094
20 P86052 Plectus sp. 20 Nine-Mile Prairie Prairie Corridor, Lancaster County, NE COI OP209095
20 P89091 Plectus sp. 20 Nine-Mile Prairie Prairie Corridor, Lancaster County, NE COI OP209096
20 P90059 Plectus sp. 20 Nine-Mile Prairie Prairie Corridor, Lancaster County, NE COI OP209097
20 N12697 Plectus sp. 20 Honvlez Prairie Prairie Corridor, Lancaster County, NE COI OP209098
a P89023 Plectus sp. Haughton Crater Devon Island, Canada COI OP209099
a P87033 Plectus sp. Konza Prairie Riley County, KS COI OP209100
a N12491 Plectus sp. Eggerling Soybean Field Prairie Corridor, Lancaster County, NE COI OP209101
a N12114 Plectus sp. Border Lake Nebraska Sandhills, Garden County, NE COI 18S OP209102 OP205470
a N13101 Plectus sp. Pioneers Park Prairie Prairie Corridor, Lancaster County, NE COI 18S OP209103 OP205471
a N12159 Plectus sp. Kokjohn Lake Nebraska Sandhills, Garden County, NE COI OP209104
a N9790 Plectus sp. Formerly cultivated land Volcanoes Nat’l Park, Rwanda COI OP209105
a P195005 Plectus sp. Konza Prairie Riley County, KS COI OP209106
N13211 Plectus sp. Pioneers Park Prairie Prairie Corridor, Lancaster County, NE 18S OP205461
N13250 Plectus sp. Spring Creek Prairie Prairie Corridor, Lancaster County, NE 18S OP205462
N13370 Wilsonema sp. Eggerling Prairie Prairie Corridor, Lancaster County, NE 18S OP205469
P133013 Anaplectus sp. La Selva Biological Station Costa Rica 18S OP205466
P134037 Plectus sp. La Selva Biological Station Costa Rica 18S OP205463
P137018 Plectus aquatilis La Selva Biological Station Costa Rica 18S OP205450
P140029 Plectus aquatilis La Selva Biological Station Costa Rica 18S OP205451
P151063 Wilsonema sp. La Selva Biological Station Costa Rica 18S OP205468
P183015 Plectus sp. Heredia Province Costa Rica 18S OP205464
P183018 Plectus sp. Heredia Province Costa Rica 18S OP205465
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