Table 1.
Chromosome number (numbers in bold taken from Dawson, 2000), ploidy level, DNA C-value (pg per 2C nucleus), place of origin of the plants and location of voucher specimens of plants used in the present study
| Species |
n |
2n |
Ploidy |
2C |
Place of origin |
Voucher |
|---|---|---|---|---|---|---|
| Achnatherum petriei (Buchanan) S.W.L.Jacobs & J.Everett | 42 | 6x | 1·77 | South I., Otago, Awahokomo | AK 286416 | |
| Agrostis dyeri Petrie | 42 | 6x | 10·81 | North I., Wellington, Tararua Ranges | AK 282090 | |
| A. imbecilla Zotov | 42 | 16x | 10·78 | South I., Canterbury, Old Man Range | AK 286444 | |
| A. magellanica Lam. | 84 | 12x | 21·23 | Auckland Is., Enderby I. | AK 281998 | |
| 84 | 12x | 21·77 | Campbell I. | AK 281989 | ||
| A. muelleriana Vickery | 42 | 6x | 11·26 | South I., Canterbury, Crimea Range | AK 281984 | |
| 42 | 6x | – | South I., Southland, Garvie Mountains | AK 282063 | ||
| A. muscosa Kirk | 42 | 6x | 10·58 | South I., Otago, Ohau Downs | AK 286818 | |
| 42 | 6x | – | North I., Taranaki, Egmont National Park | AK 282074 | ||
| 42 | 6x | – | North I., Taranaki, Puketapu Road | AK 282074 | ||
| 42 | 6x | – | South I., Canterbury, Lake Tekapo | AK 286744 | ||
| A. pallescens Cheeseman | 42 | 6x | 10·88 | South I., Southland, Te Anau Downs | AK 286499 | |
| A. personata Edgar | 42 | 6x | 10·64 | South I., Canterbury, Crimea Range | AK 281042 | |
| A. petriei Hack. | 42 | 6x | 10·85 | South I., Otago, Glenmore Station | AK 286748 | |
| Amphibromus fluitans Kirk | 42 | 6x | 7·97 | North I., Wellington, Lake Wairarapa | AK 282157 | |
| Anemanthele lessoniana (Steud.) Veldkamp | 40–44 | 4x | 1·89 | North I., Wellington, Haurangi Range | AK 281149 | |
| Australopyrum calcis Connor & Molloy subsp. calcis | 14 | 2x | 11·27 | South I., Marlborough, Leatham Valley | AK 296501 | |
| A. calcis subsp. optatum | 14 | 2x | 11·60 | South I., Canterbury, Castle Hill | AK 286443 | |
| Connor & Molloy | 14 | 2x | 11·57 | South I., Canterbury, Tengawai | AK 281153 | |
| Austrofestuca littoralis (Labill.) E.B.Alexeev. | 28 | 4x | 7·42 | Great Barrier I., Kaitoke Beach | AK 281576 | |
| Austrostipa stipoides (Hook.f.) S.W.L. Jacobs & J. Everett | 44 | 4x | 3·15 | North I., North Auckland, Ambury Park | AK 280019 | |
| Bromus arenarius Labill. | 28 | 4x | 16·45 | North I., North Auckland, Ponui I. | AK 283726 | |
| Cenchrus caliculatus Cav. | 102 | 6x | 11·12 | Kermadec Is., Raoul I. | AK 282949 | |
| Chionochloa antarctica (Hook.f.) Zotov | 42 | 6x | 5·31 | Campbell I. | AK 281160 | |
| C. australis (Buchanan) Zotov | 42 | 6x | 4·43 | South I., Canterbury, Lake Tennyson | AK 281047 | |
| C. bromoides (Hook.f.) Zotov | 42 | 6x | 6·09 | North I., North Auckland, Mokohinau Is. | AK 283728 | |
| C. cheesemanii (Hack.) Zotov | 42 | 6x | 5·47 | North I., Wellington, Tararua Ranges | AK 281546 | |
| 42 | 6x | – | South I., Marlborough, D'Urville I. | AK 282156 | ||
| C. conspicua subsp. cunninghamii (Hook. f.) Zotov | 42 | 6x | 6·33 | North I., South Auckland, Karangahake Gorge | AK 286731 | |
| C. crassiuscula (Kirk) Zotov subsp. crassiuscula | 42 | 6x | 5·00 | Stewart I., Table Hill | OTA 57968 | |
| C. crassiuscula subsp. directa Connor | 42 | 6x | – | South I., Fiordland, Fiordland National Park | OTA 57599 | |
| C. crassiuscula subsp. torta Connor | 42 | 6x | – | South I., Fiordland, Takahe Valley | OTA 57597 | |
| C. defracta Connor | 42 | 6x | – | South I., Nelson, Mt Dun, Windy Point | OTA 57937 | |
| C. flavescens subsp. brevis Connor | 42 | 6x | 5·17 | South I., Nelson, Mt Maling | AK 281046 | |
| C. flavescens subsp. hirta Connor | 42 | 6x | – | South I., Westland, Mt Ryall | OTA 57964 | |
| C. flavescens subsp. lupeola Connor | 42 | 6x | 5·32 | South I., Nelson, Mt Owen | OTA 57964 | |
| C. flavicans Zotov f. flavicans | 42 | 6x | 7·57 | North I., South Auckland, Hahei | AK 286419 | |
| C. flavicans f. temata Connor | 42 | 6x | 7·77 | North I., Hawke's Bay, Te Mata Peak | AK 286444 | |
| C. juncea Zotov | 42 | 6x | 5·38 | South I., Nelson, Mt Augustus | AK 286772 | |
| C. lanea Connor | 42 | 6x | 5·06 | Stewart I., Table Hill | AK 286646 | |
| C. macra Zotov | 42 | 6x | 5·01 | South I., Otago, Mt St Bathans | AK 286726 | |
| 42 | 6x | – | South I., Otago, Cromwell | AK 286729 | ||
| C. nivifera Connor & K.M.Lloyd | 42 | 6x | – | South I., Southland, Fiordland National Park, Mt Burns | No voucher | |
| C. pallens Zotov subsp. pallens | 42 | 6x | 5·13 | North I., Wellington, Tararua Ranges | AK 281982 | |
| C. pallens subsp. pilosa Connor | 42 | 6x | – | South I., Marlborough, Mt Fyffe | OTA 57595 | |
| C. rigida (Raoul) Zotov subsp. rigida | 42 | 6x | 5·07 | South I., Otago, Lake Mahinerangi | AK 286730 | |
| C. rigida subsp. amara Connor | 42 | 6x | – | South I., Southland, Takahe Valley | OTA 57963 | |
| C. rubra Zotov subsp. rubra var. rubra | 42 | 6x | 5·14 | North I., Wellington, Rangipo Desert | AK 286452 | |
| C. rubra subsp. rubra var. inermis Connor | 42 | 6x | 5·36 | North I., Taranaki, Egmont National Park | AK 286647 | |
| C. rubra subsp. cuprea Connor | 42 | 6x | – | South I., Canterbury, Lake Tennyson | AK 286451 | |
| C. rubra subsp. occulta Connor | 42 | 6x | – | South I., Westland, Paparoa Range | OTA 57962 | |
| 42 | 6x | – | South I., Canterbury, Lake Tennyson | AK 286462 | ||
| C. spiralis Zotov | 42 | 6x | 5·11 | South I., Southland, Mt Luxmore | AK 286781 | |
| C. vireta Connor | 42 | 6x | 4·97 | South I., Westland, Haast Pass | OTA 57585 | |
| Cortaderia fulvida (Buchanan) Zotov | 90 | 10x | 8·30 | North I., South Auckland, Lake Rotorua | AK 281166 | |
| 90 | 10x | 8·36 | North I., North Auckland, Kerikeri River | AK 208542 | ||
| C. richardii (Endl.) Zotov | 90 | 10x | 7·85 | South I., Otago, Awahokomo Creek | AK 256111 | |
| C. splendens Connor | 90 | 10x | 7·89 | North I., North Auckland, Whatipu | AK 283784 | |
| 90 | 10x | 7·82 | North I., South Auckland, Kawhia | AK 281157 | ||
| 90 | 10x | 7·71 | North I., North Auckland, Surville Cliffs | AK 281158 | ||
| 90 | 10x | 8·49 | North I., North Auckland, Kawau I. | AK 287115 | ||
| 90 | 10x | 8·27 | North I., South Auckland, Mercury Is. | AK 287117 | ||
| C. toetoe Zotov | 90 | 10x | 7·94 | North I., South Auckland, Rotorua | AK 281165 | |
| C. turbaria Connor | 90 | 10x | 9·58 | Chatham Is., Rekohu I. | AK 251864 | |
| Deschampsia cespitosa (L.) P.Beauv. | 26 | 2x | 10·43 | Chatham Is., Rekohu I. | AK 282160 | |
| D. chapmanii Petrie | 26 | 2x | 11·05 | South I., Southland, Garvie Mountains | AK 282066 | |
| 26 | 2x | – | Campbell I. | AK 281995 | ||
| D. gracillima Kirk | 26 | 2x | – | Campbell I. | AK 281991 | |
| D. tenella Petrie | 26 | 2x | 10·07 | South I., Southland, Garvie Mountains | AK 282080 | |
| Deyeuxia aucklandica (Hook.f.) Zotov | 56 | 8x | – | North I., Hawke's Bay, Kaweka Range | AK 253147 | |
| 56 | 8x | 14·06 | South I., Southland, Garvie Mountains | AK 282067 | ||
| 56 | 8x | 13·98 | South I., Canterbury, Lake Tennyson | AK 288429 | ||
| D. avenoides (Hook.f.) Buchanan | 70 | 10x | – | North I., North Auckland, Auckland City | AK 281152 | |
| 70 | 10x | 13·53 | South I., Canterbury, Lake Tennyson | AK 255953 | ||
| 70 | 10x | 15·52 | South I., Canterbury, Maitland Forest | AK 282062 | ||
| D. lacustris Edgar & Connor | 28 | 4x | 16·13 | South I., Canterbury, Lake Tennyson | AK 281049 | |
| D. quadriseta (Labill.) Benth. | 56 | 8x | 15·36 | North I., North Auckland, Waikumete Cemetery | AK 250793 | |
| D. youngii (Hook.f.) Buchanan | 28 | 4x | 9·87 | South I., Canterbury, Maitland River | CHR 562376 | |
| D. aff. quadriseta | 56 | 8x | 13·20 | North I., Wellington, Waimarino Plains | AK 286819 | |
| Dichelachne crinita (L.f.) Hook.f. | 70 | 10x | 16·36 | Chatham Is., Rekohu I. | AK 282152 | |
| 70 | 10x | – | South I., Otago, Alexandra | CHR 569774 | ||
| D. inaequiglumis (Hack.) Edgar & Connor | 70 | 10x | 16·40 | North I., North Auckland, Waikumete Cemetery | AK 250805 | |
| D. lautumia Edgar & Connor | 70 | 10x | 17·67 | South I., Marlborough, Flaxbourne River | AK 286907 | |
| D. micrantha (Cav.) Domin | 70 | 10x | 16·85 | North I., Gisborne, Torere Point | AK 286503 | |
| Echinopogon ovatus (G.Forst.) P.Beauv. | 21II | 6x | 10·85 | North I., North Auckland, Hunua Range | AK 286820 | |
| Elymus apricus Á.Löve & Connor | 42 | 6x | 28·20 | South I., Otago, Matangi | AK 286417 | |
| E. enysii (Kirk) Á.Löve & Connor | 28 | 4x | 20·54 | South I., Canterbury, Porters Pass | AK 286502 | |
| E. falcis Connor | 42 | 6x | 27·57 | South I., Canterbury, Waitaki Valley | AK 286908 | |
| E. multiflorus (Hook.f.) Á.Löve & Connor | 42 | 6x | 25·16 | North I., North Auckland, Anawhata | AK 282082 | |
| E. sacandros Connor | 42 | 6x | 27·74 | South I., Marlborough, Flaxbourne River | AK 286643 | |
| E. solandri (Steud.) Connor | 42 | 6x | 28·56 | North I., Wellington, Sinclair Head | AK 281159 | |
| 42 | 6x | 28·40 | South I., Marlborough, Stephens I. | AK 282151 | ||
| 42 | 6x | 26·59 | South I., Marlborough, Upper Wairau River | AK 284756 | ||
| E. tenuis (Buchanan) Á.Löve & Connor | 56 | 8x | 32·09 | South I., Canterbury, Sawdon Run | AK 282069 | |
| Festuca actae Connor | 42 | 6x | 16·52 | South I., Canterbury, Banks Peninsula | AK 281513 | |
| F. coxii (Petrie) Hack. | 56 | 8x | 21·50 | Chatham Is., Rekohu I. | CHR 569775 | |
| F. deflexa Connor | 42 | 6x | 16·02 | South I., Nelson, Mt Owen | OTA 57588 | |
| F. luciarum Connor | 56 | 8x | 19·85 | North I., Hawke's Bay, Mangaharuru Range | OTA 57621 | |
| F. matthewsii (Hack.) Cheeseman subsp. matthewsii | 42 | 6x | 16·26 | South I., Southland, Fiordland National Park | OTA 57938 | |
| F. matthewsii subsp. aquilonia Connor | 42 | 6x | – | South I., Canterbury, Mt Fyffe | OTA 57936 | |
| F. matthewsii subsp. pisamontis Connor | 42 | 6x | – | South I., Otago, Pisa Range | OTA 57945 | |
| F. novae–zelandiae (Hack.) Cockayne | 42 | 6x | 16·83 | South I., Canterbury, Cass | AK 287121 | |
| 42 | 6x | – | South I., Otago, Awahokomo | AK 252541 | ||
| F. ultramafica Connor | 56 | 8x | 20·62 | South I., Nelson, Mt Dun | OTA 57629 | |
| Hierochloe brunonis Hook.f. | 84 | 12x | 27·81 | Campbell I. | AK 281993 | |
| H. equiseta Zotov | 42 | 6x | 18·10 | South I., Canterbury, Porters Pass | CH 562182 | |
| H. fusca Zotov | 84 | 12x | 29·68 | North I., Wellington, Kapiti I. | AK 286448 | |
| 84 | 12x | 27·55 | Chatham Is., Rekohu I. | CHR 562185 | ||
| H. novae–zelandiae Gand. | 28 | 4x | 12·54 | South I., Canterbury, Tennyson Tarns | AK 287053 | |
| H. redolens (Vahl) Roem. & Schult. | 84 | 12x | 29·97 | South I., Canterbury, Rakaia River | CH 562181 | |
| Imperata cheesemanii Hack. | 20 | 2x | 1·45 | Kermadec Is., Raoul I. | AK 253146 | |
| Isachne globosa (Thunb.) Kuntze | 30II | 6x | 3·64 | North I., North Auckland, Western Springs | AK 256108 | |
| Koeleria cheesemanii (Hack.) Petrie | 28 | 4x | 9·95 | South I., Canterbury, Crimea Range | AK 281043 | |
| K. novozelandica Domin sens. str. | 28 | 4x | – | South I., Canterbury, Balmoral | CHR549886 | |
| 28 | 4x | 9·82 | South I., Canterbury, Porters Pass | CHR 569776 | ||
| K. riguorum Edgar & Gibb | 28 | 4x | – | South I., Nelson, Douglas Range | AK 286472 | |
| K. aff. cheesemanii | 28 | 4x | 13·23 | South I., Canterbury, Porters Pass | CHR 569776 | |
| K. aff. novozelandica | 28 | 4x | 10·41 | South I., Otago, Awahokomo | AK 282149 | |
| Lachnagrostis ammobia Edgar | 98 | 14x | 25·48 | Stewart I., Mason Bay | AK 247127 | |
| L. billardierei (R.Br.) Trin. | 56 | 8x | – | Chatham Is., Rekohu I. | AK 282153 | |
| 56 | 8x | – | Chatham Is., Rekohu I. | AK 229942 | ||
| 56 | 8x | – | North I., North Auckland, Kaitarakihi | AK 250913 | ||
| 56 | 8x | – | North I., North Auckland, Taitomo I. | AK 288306 | ||
| 56 | 8x | 18·25 | North I., North Auckland, Kauri Point | AK 288137 | ||
| L. elata Edgar | 98 | 14x | 26·81 | North I., South Auckland, Pureora | AK 283507 | |
| 98 | 14x | – | North I., Wellington, Tongariro National Park | AK 288307 | ||
| L. filiformis (G.Forst.) Trin. | 56 | 8x | 12·57 | North I., North Auckland, Auckland City | AK 281150 | |
| L. leptostachys (Hook.f.) Zotov | 84 | 12x | 25·21 | Auckland Is., Enderby I. | AK 281999 | |
| 84 | 12x | 24·43 | Campbell I. | AK 281988 | ||
| L. littoralis (Hack.) Edgar subsp. littoralis | 56 | 8x | 13·51 | Great Barrier I., Medlands Beach | AK 282162 | |
| 56 | 8x | 15·32 | North I., North Auckland, Cornwallis | AK 288077 | ||
| 56 | 8x | 13·47 | South I., Westland, Punakaiki | AK 253019 | ||
| L. littoralis subsp. salaria Edgar | 56 | 8x | 16·72 | South I., Canterbury, Christchurch | AK 282150 | |
| 56 | 8x | 16·49 | South I., Canterbury, Brooklands | AK 282144 | ||
| L. lyallii (Hook.f.) Zotov | 98 | 14x | 17·09 | South I., Canterbury, Lake Tekapo | AK 288430 | |
| 98 | 14x | 23·47 | South I., Canterbury, Lake Tennyson | AK 286721 | ||
| 98 | 14x | 22·78 | North I., Wellington, Tongariro National Park | AK 252979 | ||
| L. pilosa (Buchanan) Edgar subsp. pilosa | 49II | 98 | 14x | 23·78 | South I., Marlborough, Isolation Creek | AK 256032 |
| 98 | 14x | 24·66 | Chatham Is., Rekohu I. | CHR 562182 | ||
| L. uda Edgar | 98 | 14x | 25·50 | South I., Southland, Garvie Mountains | AK 282068 | |
| Microlaena avenacea (Raoul) Hook.f. | 48 | 4x | 3·40 | North I., North Auckland, Waitakere Ranges | AK 282158 | |
| M. carsei Cheeseman | 48 | 4x | 3·25 | North I., North Auckland, Kerikeri River | AK 281154 | |
| M. polynoda (Hook.f.) Hook.f. | 48 | 4x | 2·37 | North I., North Auckland, Waitakere Ranges | AK 286418 | |
| M. stipoides (Labill.) R.Br. | 48 | 4x | 1·80 | North I., North Auckland, Auckland City | AK 286645 | |
| 48 | 4x | 1·80 | Chatham Is., Rekohu I., Otoi Creek | AK 286445 | ||
| 48 | 4x | 1·83 | North I., Taranaki, New Plymouth | AK 288314 | ||
| Oplismenus hirtellus subsp. | 54 | 6x | 5·21 | North I., North Auckland, Waitakere Ranges | AK 286447 | |
| imbecillis (R.Br.) U.Scholz | 54 | 6x | 5·27 | Kermadec Is., Raoul I. | AK 286724 | |
| Paspalum orbiculare G.Forst | 63 | 6x | 3·13 | North I., North Auckland, Cornwallis Park | AK 252543 | |
| Poa acicularifolia Buchanan subsp. acicularifolia | 28 | 4x | 5·35 | South I., Canterbury, Castle Hill | AK 286743 | |
| Poa acicularifolia subsp. ophitalis Edgar | 28 | 4x | 6·15 | South I., Nelson, Mt Dun | AK 286644 | |
| P. anceps G.Forst subsp. anceps | 28 | 4x | 6·00 | North I., North Auckland, Kaitarakihi Bay | AK 289038 | |
| 28 | 4x | 6·01 | North I., North Auckland, Kauri Point | AK 288074 | ||
| P. anceps subsp. polyphylla (Hack.) Edgar | 28 | 4x | 5·45 | Kermadec Is., Raoul I. | AK 282943 | |
| P. antipoda Petrie | 28 | 4x | – | Antipodes Is. | AK 286714 | |
| P. astonii Petrie | 28 | 4x | 5·98 | South I., Otago, Dunedin | AK 281038 | |
| P. breviglumis Hook.f. | 28 | 4x | 4·24 | North I., Taranaki, Mt Taranaki | AK 288317 | |
| 28 | 4x | 4·38 | South I., Canterbury, Pineleugh | CHR 569777 | ||
| 28 | 4x | 4·55 | North I., Wellington, Tararua Ranges | AK 281888 | ||
| P. buchananii Zotov | 28 | 4x | 5·66 | South I., Canterbury, Crimea Range | AK 281045 | |
| P. chathamica Petrie | 112 | 16x | 21·30 | Chatham Is., Rekohu I. | CHR 562183 | |
| 112 | 16x | 20·96 | Chatham Is., Rekohu I. | AK 286905 | ||
| P. cita Edgar | 84 | 12x | 14·43 | North I., Wellington, Tararua Ranges | AK 282070 | |
| 84 | 12x | 14·99 | South I., Nelson, Charleston | AK 287016 | ||
| P. colensoi Hook.f. | 28 | 4x | 5·61 | North I., Wellington, Tongariro National Park | AK 253027 | |
| 28 | 4x | 5·26 | North I., Taranaki, Egmont National Park | AK 282076 | ||
| 28 | 4x | 5·40 | South I., Canterbury, Lake Tennyson | AK 286711 | ||
| 28 | 4x | 5·16 | South I., Otago, Rastus Burn | CHR 569779 | ||
| 28 | 4x | 5·49 | South I., Otago, Alexandra | AK 256110 | ||
| 28 | 4x | 5·32 | South I., Canterbury, Old Man Range | AK 256156 | ||
| 28 | 4x | 5·47 | South I., Otago, Awahokomo Bluffs | CHR 549885 | ||
| 28 | 4x | 5·22 | South I., Otago, Trotters Gorge | CHR 569778 | ||
| 28 | 4x | 5·52 | South I., Otago, Rastus Burn | AK 286708 | ||
| 28 | 4x | 5·65 | South I., Otago, Blue Creek | AK 286775 | ||
| P. dipsacea Petrie | 28 | 4x | 5·59 | South I., Marlborough, Bert's Creek | AK 285251 | |
| P. foliosa (Hook.f.) Hook.f. | 28 | 4x | 5·99 | Auckland Is., Enderby I. | AK 286739 | |
| P. imbecilla Spreng. | 28 | 4x | 4·26 | South I., Canterbury, Christchurch, Hagley Park | AK 286463 | |
| P. incrassata Petrie | 28 | 4x | 5·60 | South I., Otago, Rastus Burn | AK 286790 | |
| P. intrusa Edgar | 28 | 4x | 6·01 | South I., Southland, Routeburn | AK 286789 | |
| P. kirkii Buchanan | 28 | 4x | 4·89 | South I., Canterbury, Lake Tennyson | AK 282065 | |
| P. lindsayi Hook.f. | 28 | 4x | 4·56 | South I., Canterbury, Tekapo Tarns | AK 282072 | |
| 28 | 4x | 4·51 | South I., Canterbury, Spider Lakes | AK 286497 | ||
| P. litorosa Cheeseman | 263–266 | 38x | 32·24 | Auckland Is., Enderby I. | AK 281151 | |
| 263–266 | 38x | 32·56 | Campbell I. | AK 281987 | ||
| P. maniototo Petrie | 28 | 4x | 5·49 | South I., Otago, Awahokomo Bluffs | AK 259138 | |
| P. matthewsii Petrie | 28 | 4x | 5·49 | South I., Canterbury, Castle Hill | AK 286717 | |
| P. novae–zelandiae Hack. | 28 | 4x | 6·32 | South I., Canterbury, Crimea Range | AK 282179 | |
| 28 | 4x | 6·24 | South I., Otago, Richardson Mountains | AK 281040 | ||
| P. pusilla Berggr. | 28 | 4x | 5·50 | North I., Taranaki, Egmont National Park | AK 286498 | |
| P. ramosissima Hook.f. | 28 | 4x | 5·69 | Auckland Is., Enderby I. | AK 282001 | |
| P. schistacea Edgar & Connor | 28 | 4x | 11·02 | South I., Otago, Hector Mountains, Two-Mile Valley | AK 287133 | |
| P. spania Edgar & Molloy | 28 | 4x | 4·81 | South I., Otago, Awahokomo | AK 282077 | |
| P. sublimis Edgar | 28 | 4x | 5·02 | South I., Canterbury, Arthur's Pass | AK 288308 | |
| P. sudicola Edgar | 28 | 4x | 6·49 | South I., Nelson, Pike Peak | AK 286397 | |
| 28 | 4x | – | South I., Nelson, Pike Peak | AK 282001 | ||
| P. xenica Edgar & Connor | 28 | 4x | 6·67 | South I., Nelson, South Branch Riwaka River | AK 286909 | |
| P. aff. cita(a) | 112 | 16x | 17·44 | South I., Marlborough, Stephens I. | AK 286773 | |
| P. aff. cita(b) | 112 | 16x | 17·40 | South I., Nelson, Golden Bay | AK 286771 | |
| P. aff. colensoi | 28 | 4x | 6·05 | North I., South Auckland, Te Moehau Range | AK 286641 | |
| Puccinellia stricta (Hook.f.) Blom | 14 | 2x | 3·55 | South I., Canterbury, Christchurch | AK 282179 | |
| P. walkeri subsp. chathamica (Cheeseman) Edgar | 42 | 6x | 9·61 | Chatham Is., Rekohu I. | AK 282171 | |
| 42 | 6x | – | Chatham Is., Rekohu I. | AK 287133 | ||
| 42 | 6x | – | Auckland Is., Enderby I. | AK 282000 | ||
| Pyrrhanthera exigua (Kirk) Zotov | approx.156 | 26x | 21·51 | South I., Canterbury, Sawdon Run | AK 253685 | |
| Rytidosperma biannulare (Zotov) Connor & Edgar | 48 | 4x | 8·06 | North I., North Auckland, Waikumete Cemetery | AK 255954 | |
| R. buchananii (Hook.f.) Connor & Edgar | 48 | 4x | 7·07 | South I., Canterbury, Porters Pass | AK 285603 | |
| R. clavatum (Zotov) Connor & Edgar | 24 | 2x | 3·32 | South I., Otago, Ranfurly | AK 256106 | |
| 24 | 2x | – | South I., Canterbury, Waimakariri River | AK 255952 | ||
| R. corinum Connor & Edgar | 48 | 4x | 7·19 | South I., Canterbury, Hakataramea Pass | AK 286053 | |
| R. gracile (Hook.f.) Connor & Edgar | 24 | 2x | 2·48 | South I., Otago, Old Man Range | AK 256105 | |
| R. horrens Connor & Molloy | 24 | 2x | 3·66 | South I., Canterbury, Maitland River | AK 286640 | |
| R. maculatum (Zotov) Connor & Edgar | 48 | 4x | 6·04 | South I., Canterbury, Waimakariri River | AK 256107 | |
| R. petrosum Connor & Edgar | 48 | 4x | 8·26 | North I., Wellington, Cape Palliser | AK 250800 | |
| R. pulchrum (Zotov) Connor & Edgar | 24 | 2x | – | North I., Wellington, Ruahine Range, Toka | AK 286446 | |
| R. pumilum (Kirk) Connor & Edgar | 24 | 2x | 3·24 | South I., Canterbury, Porters Pass | CHR 562374 | |
| R. setifolium (Hook.f.) Connor & Edgar | 24 | 2x | 4·96 | North I., South Auckland, Te Moehau Range | AK 286450 | |
| 24 | 2x | 4·54 | North I., Wellington, Tongariro National Park | AK 253000 | ||
| 24 | 2x | 4·77 | North I., South Auckland, Mt Pirongia | AK 281156 | ||
| R. telmaticum Connor & Molloy | 24 | 2x | 3·43 | South I., Canterbury, Lake Tekapo | CHR 562184 | |
| 24 | 2x | 2·83 | South I., Canterbury, Hakatere | AK 286487 | ||
| R. thomsonii (Buchanan) Connor & Edgar | 48 | 4x | 6·27 | South I., Canterbury, Tekapo Tarns | AK 286745 | |
| D* | ? | 6·63 | South I., Otago, Lake Hawea | AK 286747 | ||
| 24 | 2x | 3·51 | South I., Canterbury, Glenmore | AK 286746 | ||
| R. unarede (Raoul) Connor & Edgar | 48 | 4x | – | North I., Gisborne, Hicks Bay | AK 256109 | |
| 48 | 4x | – | South I., Otago, Flat Top Hill | AK 256013 | ||
| R. viride (Zotov) Connor & Edgar | 24 | 2x | 2·76 | North I., Wellington, Rangipo Desert | AK 286500 | |
| Simplicia buchananii (Zotov) Zotov | 28 | 4x | 11·07 | South I., Nelson, Oparara, Honeycomb Cave | AK 252968 | |
| S. laxa Kirk | 28 | 4x | 10·24 | South I., Otago, Ngatapa | AK 285424 | |
| Spinifex sericeus R.Br. | 18 | 2x | 5·41 | North I., North Auckland, Muriwai Beach | AK 286774 | |
| Stenostachys deceptorix Connor | 28 | 4x | 19·42 | South I., Nelson, Matiri Plateau | AK 286396 | |
| S. gracilis (Hook.f.) Connor | 28 | 4x | 17·91 | South I., Canterbury, Maitland Forest | AK 282084 | |
| S. laevis (Petrie) Connor | 28 | 4x | 18·83 | South I., Canterbury, Lake Tennyson | AK 281985 | |
| Trisetum arduanum Edgar & A.P.Druce | 28 | 4x | 11·07 | North I., South Auckland, Kawhia, Awaroa Reserve | AK 246714 | |
| T. drucei Edgar | 28 | 4x | 11·37 | North I., Wellington, Mangaweka | AK 252495 | |
| T. lepidum Edgar & A.P.Druce | 28 | 4x | 16·70 | South I., Canterbury, Lake Tennyson | AK 281986 | |
| T. serpentinum Edgar & A.P.Druce | 28 | 4x | 10·81 | South I., Nelson, Hackett Creek | AK 252504 | |
| T. spicatum (L.) K.Richt. | 28 | 4x | 9·82 | South I., Canterbury, Crimea Range | AK 282071 | |
| 28 | 4x | – | South I., Canterbury, Porters Pass | CHR 562377 | ||
| D* | ? | 19·48 | Campbell I. | AK 281997 | ||
| T. tenellum (Petrie) A.W.Hill | 28 | 4x | 10·29 | South I., Canterbury, Maitland River | CHR 562375 | |
| T. youngii Hook.f. | 28 | 4x | – | South I., Nelson, Lockett Range | AK 256029 | |
| 28 | 4x | 10·13 | South I., Canterbury, Lake Tennyson | AK 281048 | ||
| T. aff. lepidum | 28 | 4x | 17·02 | South I., Otago, Awahokomo | AK 251835 | |
| Zotovia colensoi (Hook.f.) Edgar & Connor | 48 | 4x | 2·93 | North I., Wellington, Tararua Ranges | AK 281551 | |
| Z. thomsonii (Petrie) Edgar & Connor | approx. 48 | 4x | 2·74 | Stewart I., Mt Rakeahua | AK 283814 | |
| Zoysia minima (Colenso) Zotov | 40 | 4x | 0·99 | North I., North Auckland, Piha Beach | AK 282083 | |
| 40 | 4x | – | South I., Canterbury, Kaitorete Spit | AK 256104 | ||
| Z. pauciflora Mez | 40 | 4x | 0·97 | Great Barrier I., Whangapoua Beach | AK 252969 |
*
D, plant died before a chromosome count could be made.