Data sources

Each value Trefle shows for Phragmites australis, with what every source says about it. When sources disagree, the strongest source is shown (how sources are ranked). Values imported before sources were recorded one by one are marked Source not recorded.

Something wrong? Suggest a correction.

Sourced11 Differs from sources5 Source not recorded16 Not on the record11 Sources: TRY Plant Trait Database

Field	Shown	What the sources say
Core
Author	(Cav.) Trin. ex Steud.	No source recorded	Source not recorded
Bibliography	Nomencl. Bot., ed. 2, 2: 324 (1841)	No source recorded	Source not recorded
Phylum	Tracheophyta	No source recorded	Source not recorded
Rank	species	No source recorded	Source not recorded
Status	accepted	No source recorded	Source not recorded
Year	1841	No source recorded	Source not recorded
Descriptive
Common name	Ditch reed	No source recorded	Source not recorded
Observations	Temp. & Subtrop. to Trop. Mts.	No source recorded	Source not recorded
Morphology
Average height	168 cm	167.9 cm · TRY Plant Trait Database · Measured · 167 observations · 2026-10-09 TRY 7.0 datasets 25, 45, 86, 88, 92, 164, 174, 175, 178, 236, 299, 474, 500, 555, 617, 706, 779, 818, 882, 897, 918, 925, 926	Differs from sources
Biological type	geophyte	geophyte · TRY Plant Trait Database · Measured · 14 observations · 2026-10-09 TRY 7.0 datasets 4, 25, 71, 164, 174, 175, 178, 500, 877, 882, 918	Sourced
Flower color	blue	brown, green, red, white · TRY Plant Trait Database · Measured · 3 observations · 2026-10-09 TRY 7.0 datasets 92, 877, 882	Differs from sources
Flower conspicuous	false	No source recorded	Source not recorded
Foliage color	green	green · TRY Plant Trait Database · Measured · 29 observations · 2026-10-09 TRY 7.0 datasets 92, 236, 443, 879	Sourced
Foliage texture	coarse	fine · TRY Plant Trait Database · Measured · 12 observations · 2026-10-09 TRY 7.0 datasets 4, 92, 236, 443, 879	Differs from sources
Fruit color	white	white · TRY Plant Trait Database · Measured · 1 observation · 2026-10-09 TRY 7.0 datasets 92	Sourced
Fruit conspicuous	true	No source recorded	Source not recorded
Fruit shape	caryopsis	caryopsis · TRY Plant Trait Database · Measured · 8 observations · 2026-10-09 TRY 7.0 datasets 4, 882	Sourced
Growth form	Rhizomatous	No source recorded	Source not recorded
Growth habit	Subshrub, Shrub, Graminoid	No source recorded	Source not recorded
Growth rate	Rapid	Rapid · TRY Plant Trait Database · Measured · 1 observation · 2026-10-09 TRY 7.0 datasets 92	Sourced
Maximum height	300 cm	300 cm · TRY Plant Trait Database · Measured · 5 observations · 2026-10-09 TRY 7.0 datasets 25, 45, 86, 88, 92, 164, 174, 175, 178, 236, 299, 474, 500, 555, 617, 706, 779, 818, 882, 897, 918, 925, 926	Sourced
Sexuality	empty	hermaphrodite · TRY Plant Trait Database · Measured · 1 observation · 2026-10-09 TRY 7.0 datasets 4	Not on the record
Vegetable	false	No source recorded	Source not recorded
Phenology
Bloom months	aug, sep	jul · TRY Plant Trait Database · Measured · 5 observations · 2026-10-09 TRY 7.0 datasets 4, 45	Differs from sources
Duration	perennial	perennial · TRY Plant Trait Database · Measured · 211 observations · 2026-10-09 TRY 7.0 datasets 4, 25, 71, 86, 92, 110, 164, 175, 178, 236, 299, 432, 443, 460, 818, 879, 882, 918, 925	Sourced
Fruit months	empty	mar, apr, may · TRY Plant Trait Database · Measured · 1 observation · 2026-10-09 TRY 7.0 datasets 882	Not on the record
Ecology
Atmospheric humidity	8 / 9 · very humid air	No source recorded	Source not recorded
Ground humidity	empty	10 / 12 · amphibious all year, base always under water (permanent helophyte) · TRY Plant Trait Database · Measured · 1 observation · 2026-10-09 TRY 7.0 datasets 178	Not on the record
Light	7 / 9 · half-light to light	7 / 9 · half-light to light · TRY Plant Trait Database · Measured · 1 observation · 2026-10-09 TRY 7.0 datasets 178	Sourced
Nitrogen fixation	None	None · TRY Plant Trait Database · Measured · 13 observations · 2026-10-09 TRY 7.0 datasets 20, 57, 71, 89, 92, 110, 444, 445, 882	Sourced
Ph maximum	pH 8.7	No source recorded	Source not recorded
Ph minimum	pH 4.5	No source recorded	Source not recorded
Soil nutriments	7 / 9 · rich (eutrophic)	7 / 9 · rich (eutrophic) · TRY Plant Trait Database · Measured · 2 observations · 2026-10-09 TRY 7.0 datasets 178, 242	Sourced
Soil salinity	3 / 9 · slightly saline (oligohaline)	2 / 9 · very slightly saline (peroligohaline) · TRY Plant Trait Database · Measured · 2 observations · 2026-10-09 TRY 7.0 datasets 178, 489	Differs from sources
Cultivation
Minimum root depth	108 cm	108 cm · TRY Plant Trait Database · Measured · 10 observations · 2026-10-09 TRY 7.0 datasets 92, 432, 474, 818	Sourced
Usda legacy
C n ratio	empty	16.3 · TRY Plant Trait Database · Measured · 19 observations · 2026-10-09 TRY 7.0 datasets 88, 412, 493, 590, 617, 670	Not on the record
Other
Halophyte status	—	Moderate · TRY Plant Trait Database · Measured · 2 observations · 2026-10-09 TRY 7.0 datasets 877, 882	Not on the record
Human usage type	—	basketry, hut_frames, thatching · TRY Plant Trait Database · Reported · 2 observations · 2026-10-09 TRY 7.0 datasets 341, 414	Not on the record
Propagation method	—	vegetative · TRY Plant Trait Database · Measured · 2 observations · 2026-10-09 TRY 7.0 datasets 92, 174	Not on the record
Salt tolerance	—	Low · TRY Plant Trait Database · Measured · 1 observation · 2026-10-09 TRY 7.0 datasets 92	Not on the record
Shade tolerance	—	None · TRY Plant Trait Database · Measured · 5 observations · 2026-10-09 TRY 7.0 datasets 92, 174	Not on the record
Soil ph indicator	—	7 · TRY Plant Trait Database · Measured · 1 observation · 2026-10-09 TRY 7.0 datasets 178	Not on the record
Temperature indicator	—	5 · TRY Plant Trait Database · Measured · 1 observation · 2026-10-09 TRY 7.0 datasets 242	Not on the record

Phragmites australis (Cav.) Trin. ex Steud., 1841 56% complete

Ditch reed

.fa-secondary{opacity:.4} Data sources

Data sources