© Robert Siegel
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Grass

Order: Poales
Family: Poaceae

Some species on page

+ Wall barley (Hordeum murinum) - a common type of foxtail
+ Barley (Hordeum vulgare)
+ Ratttlesnake grass or greater quaking grass (Briza maxima)
+ Egyptian crowfoot grass (Dactyloctenium aegyptium)
+ California sweet grass (Anthoxanthum occidentale)
+ Harding grass (Phalaris aquatica)
+ Dallis grass (Paspalum dilatatum)
+ Giant reed (Arundo donax)
+ California brome (Bromus carinatus)
+ Coastal sandbur (Cenchrus spinifex)
+ Slender wild oat (Avena barbata)
+ Pampas grass (Cortaderia selloana) )
+ Common reed (Phragmites australis)
+ Saint Augustine grass (Stenotaphrum secundatum)

Additional Poaceae pages

+ Rattlesnake grass or greater quaking grass (Briza maxima)
+ Foxtails

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Wall barley (Hordeum murinum) - a type of foxtail

Almaden
Wall barley (Hordeum murinum) - a type of foxtail
Family: Poaceae (grass family)
Almaden-Quicksilver County Park
Bioblitz
April 13, 2019
Canon 7Dmark2

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Fox in the grass

foxtail

Foxtail
Palo Alto

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Barley (Hordeum vulgare)

Fields of barley

northern ireland
Barley (Hordeum vulgare)
Family: Poaceae (grass family)
Dark Hedges, Northern Ireland
September 13, 2017
Canon 7Dmark2

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Grass in the snake

rattlesnake grass

Rattlesnake grass
Family: Poaceae (grass family)
Stanford Dish

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Egyptian crowfoot grass (Dactyloctenium aegyptium)

Florida

Ancient memories

grass
Hollywood Beach
May 10, 2014

Although this grass reminds me of my childhood, it is actually an invasive - from Africa.

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California sweet grass (Anthoxanthum occidentale)

Sweet grass

stanford-to-the-sea-2019

California sweet grass (Anthoxanthum occidentale)
Family: Poaceae (grass family)
Stanford-to-the-Sea
May 4, 2019
Canon 7Dmark2

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Sweet grass flowers

stanford-to-the-sea-2019

California sweet grass (Anthoxanthum occidentale)
Family: Poaceae (grass family)
Stanford-to-the-Sea
May 4, 2019
Canon 7Dmark2

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Grass flower

stanford-to-the-sea-2019

California sweet grass (Anthoxanthum occidentale)
Family: Poaceae (grass family)
Stanford-to-the-Sea
May 4, 2019
Canon 7Dmark2

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Harding grass (Phalaris aquatica)

Harding grass

sam mcdonald 2020
Harding grass (Phalaris aquatica)
Family: Poaceae (grasses)
Sam McDonald Park - 2020
June 10, 2020
Canon 7D markII

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Harding

Channel Islands

Harding grass (Phalaris aquatica)
Family: Poaceae (grasses)
Santa Cruz, Channel Islands
May 15, 2023
Canon 7D Mark II

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Harding grass

tulare hill

Harding grass (Phalaris aquatica)
Family: Poaceae (grasses)
Tulare Hill
November 3, 2024
Canon 7D Mark II

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Harding grass

tulare hill

Harding grass (Phalaris aquatica)
Family: Poaceae (grasses)
Tulare Hill
November 3, 2024
Canon 7D Mark II

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Dallis grass (Paspalum dilatatum)

campbell park

Dallis grass (Paspalum dilatatum)
Family: Poaceae (grasses)
Campbell Park
September 26, 2020
Canon 7Dmark2

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Giant reed (Arundo donax)

Doing more reeding during the pandemic

campbell park

Giant reed (Arundo donax)
Family: Poaceae (grasses)
Campbell Park
September 26, 2020
Canon 7Dmark2

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California brome (Bromus carinatus)

When in brome

jasper ridge 2021

California brome (Bromus carinatus)
Family: Poaceae (grasses)
Jasper Ridge
With Susan Walz et al.
July 5, 2021
Canon 7Dmark2

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Coastal sandbur (Cenchrus spinifex)

Stickers - much dreaded among barefoot children

florida 2020
Coastal sandbur (Cenchrus spinifex)
Family: Poaceae (grasses))
Haulover Beach, Florida
October 13, 2020
Canon 7Dmark2

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Pampas grass (Cortaderia selloana)

Grass and sky

emily renzel wetlands 2023

Pampas grass (Cortaderia selloana)
Family: Poaceae (grasses)
Emily Renzel Wetlands
Ocotber 26, 2023
Canon R5

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Pampas grass (Cortaderia selloana)

Phragmented

emily renzel wetlands 2023

Common reed (Phragmites australis)
Family: Poaceae (grasses)
Emily Renzel Wetlands
Ocotber 27, 2023
Canon R5

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Saint Augustine grass (Stenotaphrum secundatum)

Crab grass

Texas 2024

Saint Augustine grass (Stenotaphrum secundatum)
Family: Poaceae (grasses)
Growing up, we called this crab grass.
Texas 2024
April 6, 2024
Canon 7Dmark2

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Additional Poales pages

+ Typhaceae - cattails (Typha)
+ Bromeliaceae - Spanish moss (Tillandsia usneoides)
+ Bromeliaceae Tillansia - epiphytes, bromeliads, airplants

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Last modified: November 8, 2024
Created: May 8, 2011
contact: siegelr@stanford.edu
All pictures are protected by copyright. Do not use without permission.


http://web.stanford.edu/~siegelr/flora/grass.html