# Baldwin's Flatsedge (*cyperus croceus*)

Baldwin's Flatsedge is a tall, grass-like plant that grows in wet areas. It provides a cozy home for many small creatures and is fun to spot during nature walks!

- **Category:** [Plants](https://www.snappit.app/explore/categories/plant)
- **Rarity:** Common
- **Danger:** 0/5 · No known danger
- **Snaps:** 1
- **Habitat:** Wetlands, marshes, and along the edges of rivers and lakes.
- **Also known as:** Golden Flatsedge, Yellow Flatsedge

![Baldwin's Flatsedge](https://commons.wikimedia.org/w/index.php?title=Special:Redirect/file/Cyperus_croceus%252C_commonly_known_as_Baldwin's_flatsedge.jpg&width=800)

Photo: Melinydre, CC BY-SA 4.0 · [Wikimedia Commons](https://commons.wikimedia.org/wiki/File:Cyperus_croceus%252C_commonly_known_as_Baldwin's_flatsedge.jpg)

## Appearance

The Baldwin'S Flatsedge has slender, grass-like leaves and distinctive triangular stems. Its flowers are tightly clustered spikelets, typically reddish-brown to golden-brown, forming a dense, rounded head at the top of the stem.

## Taxonomy

- **Kingdom:** Plantae
- **Phylum:** Tracheophyta
- **Class:** Liliopsida
- **Order:** Poales
- **Family:** Cyperaceae
- **Genus:** Cyperus

## Interesting facts

- Its dried stems and leaves were sometimes historically woven into mats or baskets by indigenous peoples!
- Its scientific name, Cyperus croceus, means 'sedge' and 'saffron-colored' for its spikelets!
- Many people mistake this plant for grass, but you can feel its distinct triangular stem!
- This common plant is found on almost every continent, proving it's a true global traveler!

## Special abilities

- **Rhizome Power:** Baldwin'S Flatsedge can spread quickly underground using special roots called rhizomes, helping it colonize new areas.
- **Triangular Strength:** Baldwin'S Flatsedge has unique triangular stems that provide extra rigidity and help it stand tall in windy conditions.
- **Seed Shower:** Baldwin'S Flatsedge produces many tiny seeds that are easily dispersed by wind and water, helping it reproduce effectively.

## Measurements & details

- **Height:** 30-90 cm
- **Flower Size:** 0.5-1.5 cm
- **Bloom Season:** Summer to fall
- **Edible:** No
- **Toxicity:** None
- **Lifecycle:** Perennial
- **Pollination Method:** Wind

## Ecological connections

- **Eaten by:** Mallard (*Anas platyrhynchos*) — Seeds are a food source for these waterfowl.
- **Eats:** American Grasshopper (*Schistocerca americana*) — Larvae and adults feed on the foliage.
- **Shelter:** Green Tree Frog (*Hyla cinerea*) — Provides cover in moist, weedy habitats.

## Traits

- [Social](https://www.snappit.app/explore/traits/social): Social animals live in organized groups, cooperating for survival benefits such as foraging, defense, and raising offspring.
- [Herbivorous](https://www.snappit.app/explore/traits/herbivorous): This trait characterizes organisms whose diet consists entirely or primarily of plant material.
- [Decomposer](https://www.snappit.app/explore/traits/decomposer): Describes organisms that break down dead organic material, recycling nutrients back into the ecosystem.
- [Diurnal](https://www.snappit.app/explore/traits/diurnal): Diurnal animals are primarily active during daylight hours, typically resting or sleeping at night.
- [Aquatic](https://www.snappit.app/explore/traits/aquatic): Aquatic habitats encompass environments where organisms live predominantly in water, including oceans, rivers, lakes, and wetlands.

## Collections

- [Plants](https://www.snappit.app/explore/collections/plants)

## Safety

**Danger:** 0/5 · No known danger

No special safety notes yet.

## Frequently Asked Questions

### How to identify Baldwin's Flatsedge?

Compare seed heads, stem shape, how leaves attach, and the joint where leaf meets stem. A patch of mown lawn rarely shows enough for an exact ID. Grass Identifier: upload a photo and compare the visible details.

### How tall is Baldwin's Flatsedge?

30-90 cm

### How big are the flowers on Baldwin's Flatsedge?

0.5-1.5 cm

### When does Baldwin's Flatsedge bloom?

Summer to fall

### Is Baldwin's Flatsedge edible?

No

### Is Baldwin's Flatsedge toxic?

None

### What is Baldwin's Flatsedge's lifecycle?

Perennial

### How is Baldwin's Flatsedge pollinated?

Wind

## Where to spot

- [Alfred B. Maclay Gardens State Park](https://www.snappit.app/guides/places/alfred-b-maclay-gardens-state-park) — Florida, US · Botanical Garden
- [Mitchell Nutter Park](https://www.snappit.app/guides/places/mitchell-nutter-park) — Florida, US · Park

## More Plants

- [white snakeroot](https://www.snappit.app/explore/white-snakeroot) (*Ageratina altissima*)
- [tree-of-heaven](https://www.snappit.app/explore/tree-of-heaven) (*Ailanthus altissima*)
- [western sword fern](https://www.snappit.app/explore/western-sword-fern) (*Polystichum munitum*)
- [common milkweed](https://www.snappit.app/explore/common-milkweed) (*Asclepias syriaca*)

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Source: [Baldwin's Flatsedge: Facts & Places to See — Snappit](https://www.snappit.app/explore/baldwins-flatsedge)