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Muhlenbergia microsperma

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About Littleseed Muhly (Muhlenbergia microsperma) Muhlenbergia microsperma is a species of grass known by the common name littleseed muhly. It is native to the Americas from the southwestern United States through Central America into Peru and Venezuela. It can be found in many habitat types, including disturbed areas. It is an annual or perennial grass growing up to 60 to 80 centimeters tall. The flower cluster is an open, spreading array of thin branches bearing small spikelets which have awns up to 3 centimeters long. Spikelets lower in the flower cluster stay within sheaths and do not bloom.
Plant Description
Plant Type

Max. Height
2 - 2.6 ft (0.6 - 0.8 m)

Flower Color

Native Status

Natural Setting
Site Type
Open disturbed places


Elevation ?
-190' - 5625'

Annual Precip. ?
2.6" - 35.1"

Summer Precip. ?
0.14" - 2.91"

Coldest Month ?
39.9° F - 64.2° F

Hottest Month ?
61.7° F - 89.3° F

Humidity ?
0.47 vpd - 42.83 vpd

Landscaping Information
Ease of Care
Moderately Easy

Water Requirement ?
Extremely Low
Very Low
Moderate - High

Nursery Availability
Rarely Available

Sources include: Wikipedia. All text shown in the "About" section of these pages is available under the Creative Commons Attribution-ShareAlike License. Plant observation data provided by the participants of the California Consortia of Herbaria, Sunset information provided by Jepson Flora Project. Propogation from seed information provided by the Santa Barbara Botanical Garden from "Seed Propagation of Native California Plants" by Dara E. Emery. Sources of plant photos include CalPhotos, Wikimedia Commons, and independent plant photographers who have agreed to share their images with Calscape. Other general sources of information include Calflora, CNPS Manual of Vegetation Online, Jepson Flora Project, Las Pilitas, Theodore Payne, Tree of Life, The Xerces Society, and information provided by CNPS volunteer editors, with special thanks to Don Rideout. Climate data used in creation of plant range maps is from PRISM Climate Group, Oregon State University, using 30 year (1981-2010) annual "normals" at an 800 meter spatial resolution.

Links:   Jepson eFlora Taxon Page  CalPhotos  Wikipedia  Calflora

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