米国モンタナ州からスゲ新種

CAREX ATROSPICATA (CYPERACEAE), SP. NOV., FROM THE ROCKY MOUNTAINS

GLENN RINK and MAX LICHER

Phytoneuron 2024-92: 1–21(2024).

Carex atrospicata Rink & Licher, sp. nov. (sect. Luzulinae)

TYPE: Montana. Madison Co.: E side of
Upper Branham Lake, Tobacco Root Mountains, subalpine meadow, 45.51691 N -111.99032 W, 2690 m elev, 4 Aug 2023, G. Rink 17674 & M. Licher (holotype: ASC; isotypes: BRY, IDF, MICH, MONT, MONTU, MSUNH, MSUB, NY, RM, USU-UTC, UT, UW, WS, WTU, others to be distributed). 

米国モンタナ州ブランハム湖 -Google map-
https://maps.app.goo.gl/HTbioQ6SAhHqaFAB9

米国北西部オワイイー地方のカヤツリグサ科植物

VASCULAR FLORA OF THE OWYHEE REGION
OF SOUTHEASTERN OREGON, SOUTHWESTERN IDAHO AND NORTH-CENTRAL NEVADA

DONALD H. MANSFIELD

Phytoneuron 2024-91: 1–130(2024).

Amphiscirpus nevadensis
Bolboschoenus fluviatilis
Bolboschoenus maritimus　コウキヤガラ　synonym
Carex abrupta
Carex albonigra
Carex aquatilis
Carex atherodes
Carex athrostachya
Carex aurea
Carex canescens　ハクサンスゲ
Carex cordillerana
Carex douglasii
Carex filifolia
Carex geyeri
Carex haydeniana
Carex heteroneura
Carex hoodii
Carex hystericina
Carex illota
Carex jonesii
Carex kelloggii
Carex lasiocarpa　コムジナスゲ
Carex limosa　ヤチスゲ　
Carex luzulina
Carex microptera
Carex nebrascensis
Carex neurophora
Carex nigricans
Carex occidentalis
Carex pachycarpa
Carex pachystachya
Carex pellita
Carex pelocarpa
Carex petasata
Carex phaeocephala
Carex praeceptorum
Carex praegracilis
Carex raynoldsii
Carex rossii
Carex scopulorum
Carex sheldonii
Carex siccata
Carex simulata
Carex stipata　オオカワズスゲ　
Carex straminiformis
Carex subfusca
Carex utriculata
Carex vallicola
Carex vesicaria　オニナルコスゲ
Carex viridula　エゾサワスゲ　
Carex vulpinoidea　ナガバアメリカミコシガヤ
Cyperus bipartitus
Cyperus erythrorhizos
Cyperus esculentus　ショクヨウガヤツリ
Cyperus squarrosus
Cyperus strigosus　コガネガヤツリ　
Eleocharis acicularis　 チシママツバイ
Eleocharis bella
Eleocharis bolanderi
Eleocharis engelmannii　エンゲルマンハリイ
Eleocharis palustris　クロヌマハリイ
Eleocharis quinqueflora
Eleocharis rostellata
Eleocharis suksdorfiana
Schoenoplectus acutus
Schoenoplectus americanus
Schoenoplectus pungens
Schoenoplectus tabernaemontani　フトイ
Scirpus microcarpus　ヒメクロアブラガヤ
Scirpus validus　ナガボフトイ

米国北西部オワイイー地方 -Google map-
https://maps.app.goo.gl/RgXgRQMZMKFs6FsM6

田んぼの敵コゴメガヤツリの染色体ゲノムの解析

Chromosome-level genome assembly of Cyperus iria, an aggressive weed of rice

https://doi.org/10.1038/s41597-025-04470-6

Siyu Yang, Qingyi Cao, Zexin Wen, Aoxue Wang, Shiyao Shi, Zhuoying Liang, Shuying Li, Wenjun Gui & Jinwen Zhu 

Scientific Data 12: 120 (2025).

genome size: 479.08 Mb
pseudochromosomes: 68
protein-coding genes: 47,395

エジプト新産ハマスゲ寄生ダニ発見

First record of two eriophyoid mites (Acari: Eriophyoidea) on Cyperus rotundus L. (Cyperaceae) from Egypt

https://doi.org/10.22073/pja.v14i1.85707

Ashraf S. Elhalawany , Ahmad I. Amer and Mohamed A.H. Abd El Hady

韓国固有種スゲ１種のミトコンドリアゲノム解析

The mitochondrial genome of Carex pseudochinensis H. Lév. & Vaniot, an endemic sedge in Korea

https://doi.org/10.1080/23802359.2024.2449090

Jieun Lee, Sang Chul Choi & Sangtae Kim

Mitochondrial DNA Part B, 10(1): 88–93(2024).

ミトコンドリアゲノムを解析する理由：
種分化
雑種形成
ゲノム構造の進化

<Carex pseudochinensis>
mitochondrial genome: 997,628 bp
large regions: 536.94bp, 419.04 kbp
direct repeat regions: ca. 20.25 kbp

genome: 57 genes
 31 protein-coding genes, 
 20 tRNAs
 6 rRNAs

分子系統解析による近縁種: 
 C. breviculmis (1.5 Mb) 
 C. pseudochinensis

米国ミズーリ州新産スゲ１種

Cephalaria transylvanica new to the flora of North America, and six species new to Missouri 

NATHAN AARON

Missouriensis, 42: 1-16 (2024).

Carex pedunculata　タンナカンスゲ　シノニム
米国ミズーリ州シャノン

証拠標本: 
U.S.A. MISSOURI: SHANNON CO.: Rough Hollow, just off of Leatherwood Hollow above its confluence with Jacks Fork River; large, healthy population mostly restricted to an ephemerally seepy rim of a north-facing dolomite outcrop. 37.1020ºN, -91.5339ºW, 19 April 2022, Thomas 2790 (hb. Thomas).

米国ミズーリ州シャノン -Google map-
https://maps.app.goo.gl/qvgiePszc4fVGLwRA

インド ウッタランチャル州のカヤツリグサ科植物

Assessment of Aquatic Angiosperms in District U. S. Nagar, Uttarakhand, India

https://doi.org/10.51220/jmr.v19-i2.11

Sneh Lata & Chitra Maurya

Cyperus brevifolius アイダクグ
Cyperus compressus クグガヤツリ
Cyperus difformis タマガヤツリ
Cyperus iria コゴメガヤツリ
Cyperus michelianus コシロガヤツリ
Cyperus mindorensis オオヒメクグ
Cyperus rotundus ハマスゲ
Fimbristylis bisumbellata オオアゼテンツキ
Fimbristylis dichotoma テンツキ
Abildgaardia ovata ヤリテンツキ

Uttarakhand, India -Google map-
https://maps.app.goo.gl/UvfCsucGS4hgT8sv8

ブルガリアからスゲ新種

Bulgarian endemic Carex riloensis, a synonym of Carex tricolor (Cyperaceae): morphological and genetic evidence

https://doi.org/10.1093/botlinnean/boae087

Helena Więcław, Danuta Cembrowska-Lech, Anna Kalinka, Teodor T Denchev, Cvetomir M Denchev, Jacob Koopman

Botanical Journal of the Linnean Society boae087 (2024).

Carex riloensis 
近縁種C. riloensisとは、染色体数が異なる (2n = 26).

ブルガリア -Google map-
https://maps.app.goo.gl/BKxNFEDHeXEQiNK69

カヤツリグサ連とマパニア連の系統関係

Anatomy of the scape in hypolytreae species (mapanioideae, cyperaceae): comparative analysis and phylogenetic implications

https://doi.org/10.1007/s40415-024-01057-0

Ellen Beatriz Santos Kanofre & Mariana Maciel Monteiro 

Brazilian Journal of Botany 48(2) (2025).

カヤツリグサ連 Cyperoideae (約 84 属)
マパニア連 Mapanioideae (11 属)

形態学的再検討:
Diplasia
Hypolytrum
Mapania
Scirpodendron

系統学的再検討:
Mapanioideae

インド タミル·ナードゥ州にある砂丘のカヤツリグサ科植物

Diversity of Psammophytes in Sand
Dunes of Periyakadu Coast,
Southwest Coast of India

DOI: 10.56557/UPJOZ/2024/v45i73984

Murugan Muthulekshmi Shyra, Thankappan Sarasabai Shynin Brintha and Rajaram Mary Sujin

Uttar Pradesh Journal of Zoology 45(7): 126-134 (2024).

Cyperaceae: 7 sp.
Bulbostylis barbata　ハタガヤ
Cyperus arenarius
Cyperus bulbosus
Cyperus compressus　クグガヤツリ
Cyperus rotundus　ハマスゲ
Fimbristylis argentea
Fimbristylis cymosa　シオカゼテンツキ
Rhynchospora barbata

インド タミル·ナードゥ州ペリヤカドゥ砂丘 -Google map-
https://maps.app.goo.gl/wUr9XsS43Z3Hrwez9