GC maintenence
Informatics
TREES in R: An R script tutorial for constructing and annotating phylogenetic trees in R.
elemental: A tool for transcriptome assembly and (meta)analysis.
STHDA - Statistical Tools for High-throughput Data Analysis: full of great tutorials for data analysis in R.
Synthetic organic chemistry
Curly Arrow: this blog is devoted to the discussion of all aspects of synthetic organic chemistry and related sciences.
Not Voodoo X: a collection of useful tips and tricks for a synthetic organic chemist.
Master Organic Chemistry Blog: Organic Chemistry Resources and Study Tips.
Organic Chemistry Portal: An overview of recent topics, interesting reactions, and information on important chemicals for organic chemists.
Phylogenetics and taxonomy
Open Tree of Life: a phylogenetic tree database.
The Plant List: a working list of all known plant species.
Lipids
AOCS Lipid Library: an amazing resource on lipid function, structure, and analysis.
LipidWeb: chemistry and biochemistry of lipids.
Talks and presentations
Books
Tomorrow's Table: Organic Farming, Genetics, and the Future of Food, by Pamela C. Ronald and R. W. Adamchak
Envisioning Information, by Edward Tufte
Botanical Miracles - Chemistry of Plants That Changed the World, by Raymond Cooper and Jeffrey John Deakin
R for Data Science, by Hadley Wickham and Garrett Grolemund
Biomimicry, by Janine Benyus
Blogs and plant science sites
Bioscription: Biology as a Written Language
Moss Plants and More: Commentary on all things Bryological
Lipid Matters (William Christie)
Why Study Plants? (Juniper Kiss)
In Defense of Plants (Towards Curing Plant Blindness)
Scientific writing and figure preparation
Writing Science: How to write papers that get cited and proposals that get funded, by Joshua Schimel.
ColorBrewer2: a useful tool for color selection.
Marketing for Scientists: How to Shine in Tough Times, by Marc Kuchner.
The visual display of quantitative information, by Edward Tufte.