ヒトモトススキの生育環境に対する成長戦略

Differential growth and physiological responses to water level and soil type in two dominant macrophytes, Cladium jamaicense and Muhlenbergia capillaris, in South Florida, USA

https://doi.org/10.1002/ajb2.70197

Paulo C. Olivas, Jennifer H. Richards, Steven F. Oberbauer

American Journal of Botany113: e70197 (2026).

ヒトモトススキ　Cladium jamaicense:
1) 水位が高まると草丈が伸び、葉幅が広くなった
2) 水位と土壌の質に葉の形態を合わせていた
3) いずれも水位の上昇による影響を避けるための変化

米国　フロリダ州　-Google map-
https://maps.app.goo.gl/E4Ui5gEs4xa36JNp6

ブルガリア自然保護地域のカヤツリグサ科植物１種 （ハリイ属）

Floristic updates and a new species record for the Bulgarian flora

https://doi.org/10.48027/hnb.48.051

Georgi Kunev, Gabriela Petrova, Daniela Mihova, Ivan Kostadinov

Historia naturalis bulgarica 48(5): 103–113 (2026).

調査時期: 2015～2025年

Eleocharis quinqueflora:ロゴピス東部地域で新産

Eleocharis quinqueflora>POWO
https://powo.science.kew.org/taxon/urn:lsid:ipni.org:names:307064-1

Eastern Rhodopes Nature Conservation Center - Madzharovo, Bulgaria -Google map-
https://maps.app.goo.gl/nzwhKtCcRD5vipUr8

米国ジョージア州ポールディング郡のカヤツリグサ科植物

Carex aureolensis 
Carex cephalophora 
Carex cf. 
Carex cf. 
Carex complanata 
Carex crinita 
Carex intumescens 
Carex mitchelliana 
Cyperus echinatus 
Eleocharis obtusa 
Scirpus cyperinus 
Scirpus georgianus 
Scirpus polyphyllus 
Scleria pauciflora 
Scleria triglomerata 

米国ジョージア州ポールディング郡 -Google map-
https://maps.app.goo.gl/CoStem1aqkCY9i5Q7

中国西部 阿敦乔鲁から出土したカヤツリグサ科植物

Ancient human-environment interactions in the Tianshan mountains: wood charcoal evidence from Adunqiaolu, Western China

https://doi.org/10.1007/s12520-026-02502-9

Hui Shen, Dexin Cong, Peter Weiming Jia, Robert Spengler, Xuan Li, Alison Betts, Xinying Zhou & Xiaoqiang Li

Archaeological and Anthropological Sciences 18(145) (2026).

Fig. 7; d: Cyperaceae
https://link.springer.com/article/10.1007/s12520-026-02502-9/figures/7

中国西部 阿敦乔鲁 -Google map-
https://maps.app.goo.gl/emhHSC9asSYdnsxv8

アマゾンからシンジュガヤ属新１種

New morphological and micromorphological evidence supports a new Amazonian species of Scleria (Cyperaceae)

https://doi.org/10.1590/1809-4392202502541

Layla Jamylle Costa SCHNEIDER, Layse Kristine Corrêa LOPES, Deivid Lucas de Lima da COSTA, Ana Cristina Andrade de AGUIAR-DIAS, André dos Santos Bragança GIL

BIODIVERSITY AND CONSERVATION

Scleria occulta L.Schneider & A.Gil, sp. nov.,

section Hymenolytrum

Type material: Brazil. Amazonas, [Santa Isabel do Rio Negro], Iauareté, Uaupés river margin: Brasil-Colombia frontier, 0°38’S, 66°22’W, [ca. 120m], fl. and fr., 14 May 1975, Ribeiro, B.G.S. 928 (holotype: MG [050992]!; isotype: IAN [IAN149618]!).

Paratypes: Brazil. Amazonas: [Japuá] Iauareté, SA19-VB, 0°36’12”S, 69°11’13”W, 155 m, 18 May 1975, fl. and fr., Ribeiro, B.G.S. 967 (IAN 149618, MG 0050992); Barcelos, Serra do Aracá, acampamento do paredão, 0°51’33”S, 63°20’01”W, 733 m, 19 Aug. 2011, fl. and fr., Quinet, A. 2743 (RB 00733096). Venezuela. Bolívar: [Sifontes] Río Chicanan, north portion of Cerro Uroi, [6°20’07.25”N, 61°53’07.25”W], 250‒400 m, 12 Sep. 1962, fl. and fr., Maguire, B. 53721 (US 88064).

Distribution: Brazil (Amazonas) and Venezuela (Bolívar). 

Elevation: 120‒733 m. 

Habitat: Ombrophilous forest, in shaded environments.

ブラジル　アマゾン -google map-
https://maps.app.goo.gl/bfnGsG4eiyuVPPkh9

米国カンザス州エリスのカヤツリグサ科植物

A Floristic Inventory of the Saline Experimental Range in Ellis County, Kansas

https://doi.org/10.1660/062.129.0109

Hadle, Jacob J., and Harmoney, Keith R.

Transactions of the Kansas Academy of Science, 129(1-2) : 79-104 (2026).

Cyperaceae
Bolboschoenus maritimus コウキヤガラ　synonym
Carex blanda
Carex brevior　ヒレミヤガミスゲ　
Carex duriuscula　イトノヤマスゲ　
Carex gravida　サヤシロスゲ
Carex grisea
Carex inops
Carex praegracilis
Carex vulpinoidea　ナガバアメリカミコシガヤ　
Cyperus acuminatus
Cyperus esculentus var. leptostachyus　ショクヨウガヤツリの変種
Cyperus lupulinus subsp. lupulinus
Cyperus odoratus　キンガヤツリ　
Eleocharis acicularis　チシママツバイ
Eleocharis compressa　
Eleocharis palustris クロヌマハリイ　
Schoenoplectus pungens var. longispicatus
Schoenoplectus tabernaemontani　フトイ
Scirpus pallidus

米国カンザス州エリス -Google map-
https://maps.app.goo.gl/JHbwGUdXR1Kq6ATE7

チェコ共和国から新１雑種

The fourth addition to the sedge flora (Carex, Cyperaceae) of the Czech Republic

Radomír Řepka, Jan Řepka

Acta Univ. Agric. Silvic. Mendelianae Brun. 74(1-2): 39-51 (2026).
https://acta.mendelu.cz/pdfs/acu/2026/01/04.pdf

New to the flora of the Czech Republic in 2025:
クロアゼスゲ　Carex aquatilis × C. elata
Carex ×aquosa, nothosp. nov. [= Carex aquatilis Wahlenb. × C. elata All.]

Carex ×aquosa, nothosp. nov. 
[= Carex aquatilis Wahlenb. × C. elata All.]
Type: Czech Republic, distr. Česká Lípa, the town
of Doksy, Břehyňský rybník Natural Reservation,
wet fen near the northern shore of the pond, ca.
1,4 km NE from the chapel of St. Lawrence in the
Břehyně settlement, 272 m a.s.l., GPS: 50°35’4.12”N, 14°42’25.83”E (30  May  2025, coll. Radomír Řepka & Jan Řepka, BRNM 849782, holotype).

the Czech Republic -Google map-
https://maps.app.goo.gl/kdr38TpBTnFKY95RA