Table 1.
Sample size (NSSR), gene diversity (HS), observed heterozygosity (HO) and inbreeding (FIS) from the SSR study; sample size (NCYT), diploid chromosome numbers (2n) and meiotic configuration for samples with irregularities, mean chromosome number (2nPOP) and variance (σ2) from the cytogenetic study.
| Population | NSSR | HS (s.e.) | HO (s.e.) | FIS (s.e.) | 2n (Voucher) | NCYT | 2nPOP | σ2all individuals | σ2excluding migrants |
|---|---|---|---|---|---|---|---|---|---|
| Goose Lake (IL, 41.359583/–88.315900) | 28 | 0·480 (0·093) | 0·188 (0·037) | 0·533 (0·068) | 65 (2n = 31II = 1III, 2830N), 66 (2830D, J, W) | 4 | 65·75 | 0·25 | 0·25 |
| Grant Woods (IL, 42·387900/–88·128067) | 5 | 0·000 (0·000) | 0·000 (0·000) | NA | 68 (2879A) | 1 | 68 | NA | NA |
| Hoosier Prairie, North (IN, 41·526361/–87·442680) | 24 | 0·517 (0·057) | 0·102 (0·025) | 0·798 (0·045) | 66 (2863B, H, Q), 67 (2n = 32II + 1III, 2863M), 68 (2863A) | 5 | 66·6 | 0·8 | 0·8 |
| Hoosier Prairie, South (IN, 41·504783/–87·437267) | 15 | 0·447 (0·065) | 0·006 (0·006) | 0·989 (0·010) | 64 (2864M), 66 (2864A, F) | 3 | 65·33 | 1·33 | 2 |
| Indiana Dunes–Cowles Bog RR (IN, 41·636817/–87·100533) | 12 | 0·241 (0·066) | 0·061 (0·016) | 0·579 (0·122) | – | 0 | NA | NA | NA |
| Indiana Dunes–Mnoke Prairie (IN, 41·617983/–87·108550) | 24 | 0·370 (0·069) | 0·049 (0·011) | 0·752 (0·091) | 62 (2865W), 66 (2865S), 68 (2865F, H, O) | 5 | 66·8 | 3·2 | 3·2 |
| Iroquois SWA (IL, 41·008500, –87·548525) | 20 | 0·593 (0·052) | 0·241 (0·031) | 0·539 (0·073) | 65 (2n = 31II + 1III, 2894K), 68 (2894H) | 2 | 66·5 | 4·5 | 4·5 |
| Jasper-Pulaski FWA (IN, 41·172383/–86·930767) | 21 | 0·461 (0·072) | 0·074 (0·021) | 0·802 (0·043) | 62 (2893O), 64 (2893A, C, G) | 4 | 63·5 | 1 | 1 |
| Lansing Woods (IL, 41·555500/–87·554217) | 21 | 0·254 (0·078) | 0·078 (0·035) | 0·764 (0·073) | 65 (2n = 31II + 1III, 2880N), 66 (2880A, N, R) | 3 | 65·83 | 0·08 | 0·08 |
| Long John Slough (IL, 41·708633, –87·879417) | 21 | 0·456 (0·046) | 0·117 (0·016) | 0·732 (0·028) | 66 (2878I), 68 (2878A, C), 69 (2n = 33II + 1III, 2878F) | 4 | 67·75 | 1·58 | 1·58 |
| Lulu Lake (WI, 42·826867/–88·462550) | 15 | 0·256 (0·072) | 0·018 (0·009) | 0·930 (0·029) | 68 (2800), 67 (2n = 32II + 1III, 2807), 66 (2816, 2818) | 4 | 66·75 | 0·92 | 0·92 |
| Michigan City/IN CR 900N (IN, 41·737383/–86·784900) | 23 | 0·292 (0·076) | 0·043 (0·026) | 0·888 (0·048) | 65 (2n = 31II + III, 2890J, 2703), 66 (2890D), 67 (2n = 30II + 1III + 1IV, 2890A), 68 (2709, 2890I) | 6 | 66·5 | 1·9 | 1·7 |
| Middlefork Savanna (IL, 42·253200, –87·882633) | 12 | 0·541 (0·076) | 0·318 (0·045) | 0·349 (0·074) | 66 (2895A, C; 2n = 31II + 1IV, 2895K), 67 (2n = 32II + 1III, 2895H), 69 (2n = 32II + 2I + 1III, 2895I) | 5 | 66·8 | 1·7 | 1·7 |
| Naplate/IandM Canal (IL, 41·329700/–88·914233) | 18 | 0·178 (0·074) | 0·000 (0·000) | 1·000 (0·000) | 62 (2839B, I, O), 64 (2n = 30II + 1I + 1III/29II + 2III, 2839F), 66 (2839K) | 5 | 63·2 | 3·2 | 3·2 |
| Soldiers Memorial Park (IN, 41·615900/–86·747283) | 22 | 0·344 (0·075) | 0·127 (0·030) | 0·580 (0·090) | 65 (2n = 31II + 1III, 2889R), 66 (2889L*; 31II + 1III + 1I, 2889D), 68 (2889A) | 4 | 66·25 | 1·58 | 0·33 |
| Spinn Prairie (IN, 40·772083, –86·873900) | 20 | 0·519 (0·077) | 0·186 (0·028) | 0·565 (0·068) | 66 (2884B, F) | 2 | 66 | 0 | NA |
| Sundrop Prairie (IL, 41·619467/–87·698633) | 20 | 0·348 (0·058) | 0·055 (0·016) | 0·837 (0·043) | 64 (2891O), 66 (2891D, G, L) | 4 | 65·5 | 1 | 0 |
| US421 and CR1000S (IN, 40·911967/–86·880083) | 20 | 0·361 (0·076) | 0·082 (0·024) | 0·659 (0·097) | 64 (2882D), 66 (2882A), 68 (2882K) | 3 | 66 | 4 | 4 |
| Wampum Lake (IL, 41·576083/–87·589733) | 20 | 0·526 (0·077) | 0·045 (0·014) | 0·922 (0·022) | 62 (2875K; 2n = 28II + 2III, 2875G), 64 (2875A), 67 (2n = 32II + 2III, 2875R) | 4 | 63·75 | 5·58 | 6·33 |
| Willow Slough (IN, 40·993500, –87·494100) | 25 | 0·568 (0·052) | 0·058 (0·012) | 0·877 (0·039) | 66 (2690), 68 (2892C, 2n = 32II + 1IV, 2892I) | 3 | 67·33 | 1·33 | NA |
| Zander Woods (IL, 41·569700, –87·585967) | 21 | 0·492 (0·065) | 0·091 (0·022) | 0·844 (0·032) | 64 (2881O), 66 (2881H, L), 67 (2n = 33II + 1I, 2881D) | 4 | 65·75 | 1·58 | NA |
| Greene Prairie, Madison (WI, 43·026404/–89·437106) | 17 | 0·529 (0·045) | 0·314 (0·037) | 0·315 (0·099) | 63 (2652B†), 66 (2663, 2658-1, 2658-3‡) | 4 | 65·25 | 2·25 | 3 |
| Bishop Ville (NY; 42·34923/–77·75423) | 20 | 0·248 (0·064) | 0·023 (0·012) | 0·937 (0·028) | 64 (2718C), 66 (2718I) | 2 | 65 | 2 | 2 |
| Keaney Swamp (NY; 42·42712 / –77·90698) | 17 | 0·472 (0·054) | 0·091 (0·017) | 0·744 (0·084) | 64 (2731M) | 1 | 64 | NA | NA |
| – | 19·210 (0·996) | 0·396 (0·016) | 0·099 (0·007) | 0·736 (0·017) | – | 3·4 | 65·8 | 1·9 | 2·03 |
Herbarium vouchers are archived at MOR. For the meiotic configurations the number (n) of bivalents, monovalents, trivalents and tetravalents during meiotic divisions are indicated by nII, nI, nIII and nIV, respectively.
* Missing SSR loci.
† Cytogenetic irregularities in meiosis I.
‡ Lacking SSR data.