討論:點頭莎草

　　多年生。根莖粗短；稈獨立或數枝叢生，高70-100 cm。葉基生，寬5-12mm。葉狀總苞5-6；小穗線形，橫截面略呈壓扁狀，長6-12 mm；鱗片長約2 mm；花柱短於瘦果。瘦果棕色，倒卵形。

　　低海拔農地及草生地。

點頭莎草　Cyperus nutans Vahl subsp. subprolixus (Kük.) T. Koyama
台灣植物誌第一版 Flora of Taiwan, 1st edition；Cyperus nutans Vahl ssp. subprolixus (Kük.) T. Koyama；https://tai2.ntu.edu.tw/ebook/ebookpage.php?book=Fl.%20Taiwan&volume=5&list=12821
台灣植物誌第二版 Flora of Taiwan, 2nd edition；；Cyperus nutans Vahl ssp. subprolixus (Kük.) T. Koyama；；https://tai2.ntu.edu.tw/ebook/ebookpage.php?book=Fl.%20Taiwan%202nd%20edit.&volume=5&list=5811
Plants of TAIWAN 台灣植物資訊整合查詢系統　　https://tai2.ntu.edu.tw/PlantInfo/species-name.php?code=627%20006%2014%201
Cyperus nutans Vahl ssp. subprolixus (Kük.) T. Koyama；Koyama, Flora of Taiwan 5: 260. 1978. (Fl. Taiwan, 台灣植物誌)

Cyperus nutans subsp. subprolixus (Kük.) T.Koyama is a synonym of Cyperus nutans var. subprolixus (Kük.) Karth.；http://www.plantlist.org/tpl1.1/record/kew-237740

Cyperus nutans var. subprolixus (Kük.) Karth.；Fl. Ind. Enum. Monocot.: 46 1989.
Cyperus eleusinoides var. subprolixus Kük.；Pflanzenr. IV, 20(101): 145 1935.；https://www.biodiversitylibrary.org/item/71650#page/153/mode/1up

Cyperus eleusinoides Kunth；Clark in Gorbes & Hemsl., J. Linn. Soc., Bot. 36: 212 1903.；https://www.biodiversitylibrary.org/item/8401#page/232/mode/1up
- Cyperus infra-apicalis Nees ex Aitch., Cat. Pl. Punjab Sindh 155. 1869
Cyperus eleusinoides auct. non Kunth: Henry, A List of Plants from Formosa 102. 1896. (List Pl. Formos., 福爾摩沙植物名錄) ；https://tai2.ntu.edu.tw/ebook/ebookpage.php?volume=0&book=List%20Pl.%20Formos.&page=102
Cyperus eleusinoides Kunth；Matsum. & Hayata, Enum. Pl. Form.: 472 (1906)；https://www.biodiversitylibrary.org/item/31485#page/482/mode/1up

Cyperus eleusinoides Kunth is a synonym of Cyperus nutans var. eleusinoides (Kunth) Haines；http://www.plantlist.org/tpl1.1/record/kew-236478

Cyperus eleusinoides Kunth, Enum. Pl. [Kunth] 2: 39 (1837).；https://www.biodiversitylibrary.org/page/7427933#page/49/mode/1up
Cyperus nutans var. eleusinoides (Kunth) Haines；Bot. Bihar Orissa 5: 898 1924.；https://www.biodiversitylibrary.org/item/42471#page/494/mode/1up

Cyperus nutans var. eleusinoides (Kunth) Haines；Bot. Bihar Orissa 5: 898 1924.；
Cyperus nutans var. eleusinoides (Kunth) Haines；Flora Malesiana. Series I, Spermatophyta ser.1:v.7:pt.3 609 (1974) ；https://www.biodiversitylibrary.org/item/90941#page/118/mode/1up

Cyperus nutans Vahl var. subprolixus (Kük.) T. Koyama, Quarterly journal of the Taiwan Museum 14: 168. 1961. (Quart. J. Taiwan Mus., 臺灣省博物館季刊)

Cyperus nutans Vahl subsp. subprolixus (Kük.) T.Koyama；http://ylist.info/ylist_detail_display.php?pass=26811

《中国植物志》第11卷 (1961) >> 139页 PDF >> 穇穗莎草 Cyperus eleusinoides；http://www.iplant.cn/info/Cyperus%20eleusinoides?t=z
FOC Vol. 23 Page 223, 233；Cyperus eleusinoides Kunth, Enum. Pl. 2: 39. 1837.；http://www.efloras.org/florataxon.aspx?flora_id=2&taxon_id=200026682

《中国植物志》第11卷 (1961) >> 138页 PDF >> 垂穗莎草 Cyperus nutans；http://www.iplant.cn/info/Cyperus%20nutans?t=z

Cyperus nutans Vahl is an accepted name；http://www.plantlist.org/tpl1.1/record/kew-237736

Cyperus nutans Vahl；Kunth, Enum. Pl. [Kunth] 2: 94 (1837).；https://www.biodiversitylibrary.org/page/7427995#page/104/mode/1up
Cyperus nutans Vahl；Clarke, in Hook. f. Fl. Brit. Ind. 6: 607 1894；https://www.biodiversitylibrary.org/item/13819#page/611/mode/1up
Cyperus nutans Vahl；Clark in Gorbes & Hemsl., J. Linn. Soc., Bot. 36: 215 1903.；https://www.biodiversitylibrary.org/item/8401#page/232/mode/1up