''Carex'' sect. ''Macrocephalae'' is a

section Section, Sectioning or Sectioned may refer to: Arts, entertainment and media * Section (music), a complete, but not independent, musical idea * Section (typography), a subdivision, especially of a chapter, in books and documents ** Section sign ...

of the genus ''

Carex ''Carex'' is a vast genus of more than 2,000 species of grass-like plants in the family Cyperaceae, commonly known as sedges (or seg, in older books). Other members of the family Cyperaceae are also called sedges, however those of genus ''Carex'' ...

'', containing two species. Both are coastal species of sandy areas beside the northern Pacific Ocean – ''

Carex kobomugi ''Carex kobomugi'' is a species of Carex, sedge, known as the Japanese sedge or Asiatic sand sedge, that lives in sandy coastal areas of eastern Asia, and has become an invasive species in the north-eastern United States. Description ''Carex kob ...

'' from

Taiwan Taiwan, officially the Republic of China (ROC), is a country in East Asia, at the junction of the East and South China Seas in the northwestern Pacific Ocean, with the People's Republic of China (PRC) to the northwest, Japan to the northe ...

to northern China and Japan (and as an invasive species in the north-eastern United States), and ''

Carex macrocephala ''Carex macrocephala'', the big-head sedge or largehead sedge, is a species of flowering plant in the family Cyperaceae. It is found on the beaches and dunes of the northern Pacific; Japan, Primorsky Krai, Sakhalin, the Kurils and Kamchatka in th ...

'' from northern China to

Oregon Oregon () is a state in the Pacific Northwest region of the Western United States. The Columbia River delineates much of Oregon's northern boundary with Washington, while the Snake River delineates much of its eastern boundary with Idah ...

References

Carex Plant sections {{Carex-stub