Biology

Photograph of four pine seedlings variously affected by Ceratobasidium spp.

Description and natural habitat of this genus of yeasts, which lack pseudohyphae and hyphae, and their macroscopic and microscopic features.

A number of images of the fruitbodies of this jelly fungus including basidia and spores seen much enlarged.

A number of images of the fruitbodies of this jelly fungus including some magnified specimens.

Article with photographs by Tom Volk on this species which causes heartrot in aspen trees and conks on the trunk.

Description of this species, and photograph of it exuding droplets of red fluid.

Tom Volk and his colleagues discovered that this crust fungus can degrade phenolic resin plastics which are used in laminating formica and which were previously thought to be non-biodegradable.

An article by Sean Westmoreland and Tom Volk on this strange species with indeterminate fruiting bodies.

Tom Volk provides photographs and information on the cauliflower or noodle mushroom.

Several photographs of this resupinate fungus.

Two photographs of this species, with a description of the fruiting body and spores, and information on where and when to look for it.English and Polish.

Tom Volk writes of this fungus, commonly known as oak parchment, which grows and feeds on the dead bark of trees causing smooth patches, and its interesting features when viewed under the microscope.

Several photographs of this species.

Photograph and description of the lion's mane.

Photographs and notes on this blue species.

Photographs of Boletopsis grisea, Boletopsis melaena and Boletopsis subsquamosa. Text in Polish.

Several photographs of this species which infects antirrhinums, and microscopic images of the uredospores.

Many photographs, some enlarged or magnified, of this rust fungus.

Microscopic image of a zygospore.

Information on these algae, the earliest organisms to be preserved in the fossil record, with a diagram and photomicrographs of Anabaena.

Information from Wikipedia on this phylum of bacteria which include many of the species found in the stomachs of ruminants.

Brief description of this genus of evergreen trees allied to Podocarpus and Dacrydium.

Description and images of the Japanese umbrella pine, the sole species in its family.

Brief description of the yew family, with notes on taxonomy.

Article on the use of cycads in the landscape.

Lists places in the wild and in cultivation where Cycads may be seen.

Description of this dioecious perennial plant of southwest Africa, often described as "unlike any known plant on earth."

Several photographs of this species and information on its taxonomy, uses and range.

Several photographs of this species and information on its taxonomy, uses, range and references.

Photographs and information on this alga, including its taxonomy, description, habitat, distribution, life history, population biology, physical tolerances, community ecology and special status.

Article which explains why amphibian embryos are one of the favoured systems for elucidating the mechanisms of early development.

Amphibian embryos remained the embryos of choice for experimental embryologists for many decades. This article outlines the attractions of Xenopus laevis, the South African Clawed Frog.

Searchable databases containing information about genes which are targets for cancer-causing mutations, proto-oncogenes and tumor suppressor genes.

Database of homologous vertebrate genes. Allows selection of sets of genes among species, and to visualize multiple alignments and phylogenetic trees.

Cell biology, and developmental biology from zygote to adult, including cells, nuclear transfers, microinjection, and development.

Portrait, short biography, quotations from three of her letters, and several evaluations of her work and character by others.

Biography by Franklin W. Stahl . Includes a portrait, references, and a selected bibliography.

Information from Wikipedia on this Dutch botanist who was one of the first geneticists, his life, career and discoveries.

Tool that allows the researcher to access all of the bacterial genome sequences completed to date.

From the Literature Network, the complete text indexed by chapter. Includes a search feature.

Complete e-text of Beagle journals. 1871 edition (Image, text, PDF).

Plain text file at Project Gutenberg.

Plain text file at Project Gutenberg.

Faculty and specialist data, course listings, links, upcoming entomological events and insect images.

Extensive information on insect pests, images, compendium of insect orders and programs.

Online archives of the journal Florida Entomologist, newsletters and information about the society and its activities.

Information from Wikipedia about the organization.

Showcases meeting schedule, articles, checklists, bulletin board, species data for kids and links.

E-mail discussion group that covers of all species related topics. Sponsored by the International Lepidoptera Survey. Offers images and links.

Encourages conservation of amphibians and reptiles. Offers membership, meeting and field trip information.