Taxon  Report   10427 
Trichophorum pumilum  (Vahl) Schinz & Thell.
Rolland's bulrush
Trichophorum pumilum
© 2017 Neal Kramer
More photos from
CalPhotos / Calflora
Trichophorum pumilum
© 2016 Dean Wm. Taylor
Trichophorum pumilum
© 2016 Steve Matson
Trichophorum pumilum, a monocot, is a perennial grasslike herb (rhizomatous) that is native to California and is also found elsewhere in North America and beyond.
also called Scirpus pumilus
CNPS Rare Plant Rank: 2B.2 (rare, threatened, or endangered in CA; common elsewhere).   8th Edition

Interactive Distribution Map

Observation Hotline
(observation details + photos)

point, line, or polygon

one or more occurrences
within a 7.5-minute quadrangle

Plant Characteristics
and Associations

Bloom Period
Trichophorum pumilum
© 2012 Dylan Neubauer
Genus: Trichophorum
Alpine Fell-fields, wetland-riparian
Wetlands: Occurs usually in wetlands, occasionally in non wetlands
Distribution by County 

Add an Observation of  Trichophorum pumilum

Name Status:
Accepted by JEF + CNPS + PLANTS
Alternate Names:
(according to)

PLANTS: Baeothryon pumilum
PLANTS: Scirpus pumilus ssp. rollandii
PLANTS: Scirpus pumilus var. rollandii
PLANTS: Scirpus rollandii
PLANTS: Trichophorum pumilum ssp. rollandii
PLANTS: Trichophorum pumilum var. rollandii
PLANTS: Trichophorum rollandii
ICPN + CNPS + PLANTS: Scirpus pumilus
More information about  Trichophorum pumilum
Nursery / seed vendor availability from CNPLX
Commercial availability unknown.
Landscaping information from Calscape
Photos on CalPhotos / Google Images
Photos on

Jepson eFlora

Records from the Consortium of California Herbaria


Search (Flora of North America)

Search the Lady Bird Johnson Wildflower Center

website references from Google

Suggested Citation
Calflora: Information on California plants for education, research and conservation,
with data contributed by public and private institutions and individuals, including the Consortium of California Herbaria.
[web application]. 2018. Berkeley, California: The Calflora Database [a non-profit organization].
Available:   (Accessed: Jul 22, 2018).

The information on this page comes from diverse sources. None of the links are sponsored.