(First upload on October 7 2011. Last on July 11 2020) [ 日本語 | English ]

Scirpus lacustris L.

Mount Usu / Sarobetsu post-mined peatland
From left: Crater basin in 1986 and 2006. Cottongrass / Daylily

Scirpus L. (ホタルイ)
Futoi (フトイ, 太藺), bulrush
Lifeform: large, rhizomatous, perennial sedge
Distribution: Europe - Asia, including Japan
Habitat: open wet sites

Field training on integrated environmental research (統合環境調査法実習) (fauna and flora 種リスト)

Chromosome number: 2n = 38, 40 or 42
Synonyms, including the standard
Schoenoplectus tabernaemontani (C. C. Gmel.) Palla, often used
Scirpus tabernaemontani C. C. Gmel. f. australis Ohwi
Schoenoplectus validus (Vahl) A. et D.Love
Scirpus tabernaemontani C. C. Gmel.
Scirpus tabernaemontani C. C. Gmel. f. luxurians Miq.
Schoenoplectus lacustris (L.) Palla ssp. validus (Vahl) T. Koyama
Scirpus validus Vahl
Schoenoplectus lacustris (L.) Palla ssp. tabernaemontani (C. C. Gmel.) A. et D. Love
Schoenoplectus validus (Vahl) A. et D. Love f. luxurians (Miq.) T. Koyama
Discarded varieties
ssp. creber (Fernald) T. Koyama
ssp. glaucus (Rchb.) Hartm.
ssp. validus (Vahl) T. Koyama
ssp. tabernaemontani (C. C. Gmel.) Syme
var. creber (Fernald) T. Koyama ex Ohwi
var. creber (Fernald) T. K oyama ex Ohwi f. australis (Ohwi) Ohwi
var. luxurians (Miq.) T. Koyama
var. tabernaemontani (C. C. Gmel.) Doll

Scirpus lacustris in Hokkaido

[1-3] a grassy marshland dominated by the species at Sunasaki Coast (砂崎海岸). [1/2] on July 22 2011. [3] on June 15 2015. [4/5] along Atsuma Coast (浜厚真), central Hokkaido, on June 16 2020.