The National Sunflower Association (NSA) offers downloadable papers presented at the annual NSA Research Forum from 2002 onwards. Available search fields...
This site (part of naturalist Thomas J. Elpel's larger Wildflowers and Weeds website) exhibits clear photographs of members of the Dandelion Subfamily; and...
This site, part of Jim Conrad's Backyard Nature Plant web page, discusses this very large family of plants, which includes the sunflower, dandelion, and...
This site from Dave's Garden (a Texas-based software company) provides a multitude of images and profiles of members of Asteraceae that are used in gardening...
From Fairchild Tropical Botanic Garden, this site presents a simple Flower Dissection Lab using orchids and composite flowers. This pdf document contains the...
An excellent, very well-organized resource, this Image Gallery website was created by the Lady Bird Johnson Wildflower Center -- Native Plant Information...
AMSER is a portal of educational resources and services built specifically for use by those in Community and Technical Colleges but free for anyone to use.
AMSER is funded by the National Science Foundation as part of the National Science Digital Library, and is being created by a team of project partners led by Internet Scout.
Our Sun may seem an enduring, unwavering beacon in the sky, but in truth it has a 'heartbeat' of sorts--a pulsation between dimmer and brighter phases so slow that it only 'beats' 9 times each century!
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