Results 41 to 50 of about 1,714 (156)

Curtis\u27s botanical magazine. [PDF]

open access: yes
v.95=ser.3:v.25 (1869) [no.5748 ...
Bentham-Moxon Trust.   +10 more
core   +1 more source

Novel and conventional control of Linaria genistifolia ssp. Dalmatica in a semi-arid grassland of British Columbia's southern interior [PDF]

open access: yes, 2017
Dalmatian toadflax (Linaria genistifolia ssp. Dalmatica) is a major concern in disturbed areas of British Columbia’s interior due to its pronounced ability to displace native vegetation.

core  

A Multi-Proxy Approach to Archaeobotanical Research: Archaic and Fremont Diets, Utah [PDF]

open access: yes, 2017
New analytical techniques in archaeobotany allow researchers to examine human plant use by developing interrelated, yet independent lines of evidence.
Baker, Meg   +5 more
core   +2 more sources

Survey of Revegetated Areas on the Fitzner/Eberhardt Arid Lands Ecology Reserve: Status and Initial Monitoring Results [PDF]

open access: yes, 2011
During 2010, the U.S. Department of Energy (DOE), Richland Operations Office removed a number of facilities and debris from the Fitzner/Eberhardt Arid Lands Ecology Reserve (ALE), which is part of the Hanford Reach National Monument (HRNM).
Cruz, Rico O.   +5 more
core   +1 more source

A demonstration project to test ecological restoration of a pinyon-juniper ecosystem [PDF]

open access: yes, 2008
To test an approach for restoring historical stand densities and increasing plant species diversity of a pinyon-juniper ecosystem, we implemented a demonstration project at two sites (CR and GP) on the Grand Canyon-Parashant National Monument in northern
Covington, W. Wallace   +4 more
core  

The Vascular Flora of the Owens Peak Eastern Watershed, Southern Sierra Nevada, California [PDF]

open access: yes, 2008
Owens Peak lies at the southern end of the Sierra Nevada within the Bureau of Land Management’s Owens Peak Wilderness Area in Kern County, California. The study site, ca.
Fraga, Naomi S
core   +3 more sources

MONOCOTILEDóNEAS [PDF]

open access: yes, 2015
Sólo visión ...
Lopez Sandoval Jose Antonio
core  

Assessing the Relationship Between Geophytes and the Archaeological Presence of Maize in North America [PDF]

open access: yes, 2021
This thesis investigates the possible relationship between the archaeological presence of maize, in the United States, and historical environmental variables, rainfall and temperature, in addition to the number of underground plants that store energy and
Dorsey, Paige
core   +1 more source

Natural kinds and biological taxa [PDF]

open access: yes, 2013
© 1981 Duke University ...
Dupré, John
core  

Floral adaptation to local pollinator guilds in a terrestrial orchid [PDF]

open access: yes, 2017
Background and Aims Studies of local floral adaptation in response to geographically divergent pollinators are essential for understanding floral evolution.
Gross, Karin   +2 more
core  

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