Belongs within: Juncaceae.
The subgenus Gymnodes of the genus Luzula is a group of rushes in which flowers are borne in dense clusters and inflorescences are spikelike or umbellate. Leaves have obtuse, thickened tips in species of the campestris-multiflora group but acute tips in the racemosa group (Moore & Edgar 1970).
<==Luzula subg. GymnodesME70
|--L. campestris-multiflora groupME70
| |--*L. campestris (Linnaeus) de Candolle in de Lamarck & de Candolle 1805ME70, HE80
| | |--L. c. var. campestrisC06
| | `--L. c. var. australasica Buchen. 1898 [incl. L. oldfieldii]C06
| |--L. banksiana Meyer 1849 (see below for synonymy)ME70
| | |--L. b. var. banksianaME70
| | |--L. b. var. acra Edgar 1966ME70
| | |--L. b. var. migrata (Buch.) Edgar 1966 (see below for synonymy)ME70
| | |--L. b. var. orina Edgar 1966ME70
| | `--L. b. var. rhadina (Buch.) Edgar 1966 [=L. rhadina Buch. 1898]ME70
| |--L. colensoi Hooker 1864 [incl. L. colensoi var. macrostemon Buchenau 1898]ME70
| |--L. crenulata Buchenau 1898 [=L. micrantha var. crenulata (Buch.) Cheesem. 1906]ME70
| |--L. crinita Hooker 1844 [=L. campestris var. crinita (Hooker) Buch. 1898]ME70
| | |--L. c. var. crinitaME70
| | `--L. c. var. petriana (Buch.) Edgar 1966 [=L. campestris var. petriana Buch. 1898]ME70
| |--L. leptophylla Buchenau & Petrie 1898ME70
| |--L. multiflora (Retzius) Lejeune 1811HE80 [=L. campestris var. multifloraHE80; incl. L. multiflora var. bulbosaV72]
| |--L. picta Richard 1832 [=L. campestris var. picta (Richard) Hook. f. 1864]ME70
| | |--L. p. var. pictaME70
| | |--L. p. var. cheesemanii Buch. 1890 non L. cheesemanii Buch. 1890 (n. d.)ME70
| | |--L. p. var. limosa Edgar 1966ME70
| | `--L. p. var. pallida (Hook. f.) Edgar 1966 (see below for synonymy)ME70
| |--L. pumila Hooker 1864 (see below for synonymy)ME70
| |--L. rufa Edgar 1966ME70
| | |--L. r. var. rufaME70
| | `--L. r. var. albicomans Edgar 1966ME70
| `--L. × wettsteinii Buch. 1898 [L. crinita var. petriana × L. leptophylla]ME70
`--L. racemosa groupME70
|--L. celata Edgar 1966ME70
|--L. racemosaME70
|--L. traversii (Buchenau) Cheeseman 1925 [=L. racemosa var. traversii Buchenau 1890]ME70
| |--L. t. var. traversiiME70
| `--L. t. var. tenuis Edgar 1966ME70
`--L. ulophylla (Buchenau) Cockayne & Laing 1911 [=L. racemosa var. ulophylla Buchenau 1898]ME70
Luzula banksiana Meyer 1849 [=L. campestris var. banksiana (Meyer) Buch. 1898, L. picta var. banksiana (Meyer) Buch. 1890]ME70
Luzula banksiana var. migrata (Buch.) Edgar 1966 [=L. campestris var. migrata Buch. 1898, L. migrata (Buch.) Ostenf. 1921; incl. L. campestris var. floribunda Buch. 1906]ME70
Luzula picta var. pallida (Hook. f.) Edgar 1966 [=L. campestris var. pallida Hook. f. 1864; incl. L. subclavata Col. 1886]ME70
Luzula pumila Hooker 1864 [incl. L. cheesemanii Buch. 1890, L. micrantha Buch. 1898, L. triandra Buch. 1898, L. micrantha var. triandra (Buch.) Cheesem. 1906]ME70
*Type species of generic name indicated
References
[C06] Cheeseman, T. F. 1906. Manual of the New Zealand Flora. John Mackay, Government Printer: Wellington.
[HE80] Healy, A. J., & E. Edgar. 1980. Flora of New Zealand vol. 3. Adventive cyperaceous, petalous and spathaceous monocotyledons. P. D. Hasselberg, Government Printer: Wellington (New Zealand).
[ME70] Moore, L. B., & E. Edgar. 1970. Flora of New Zealand vol. 2. Indigenous Tracheophyta: Monocotyledones except Gramineae. A. R. Shearer, Government Printer: Wellington (New Zealand).
[V72] Voss, E. G. 1972. Michigan Flora. Part I. Gymnosperms and Monocots. Cranbrook Institute of Science and University of Michigan Herbarium.