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Over 50,000 color images of worldwide
plant and animal species

Over 50,000 color images of worldwide
plant and animal species

Geastrum species
Star Mushroom
KingdomFungus (Fungi)
PhylumFungi - Most Large Fungi (Basidiomycotina)
ClassPuffballs & Earthstars (Gastromycetes)
OrderPuffballs & Earth Stars (Lycoperdales)
FamilyEarthstars (Geastraceae)
GenusGeastrum
Scientific NameGeastrum species
Common NameStar Mushroom
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Side View<br>(Location of Picture: Okanogan, Washington, USA, 2007)
Side View
(Location of Picture: Okanogan, Washington, USA, 2007)
Side View<br>(Location of Picture: Okanogan, Washington, USA, 2007)
BU07533A
2 Specimens<br>(Location of Picture: Okanogan, Washington, USA, 2007)
BU07533B
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SPECIES INFO
Star Mushrooms (Geastrum species) are very unusual mushrooms, and are not easily discovered. This unidentified species might be G. rufescens because of the color, but the opening appears to be too large. This could also be G. saccatum but the mouth is not conical. This could also be fimbriatum but the photo shows a stalk. This could also be G. triplex. The various field guides are somewhat contradictory when studying the species in this very interesting and unusual genus.

Puffballs and earthstars (Lycoperdales) generally discharge their spores through a hole at the top of the round fruiting body.

Stomach Fungi (Gasteromycetes) develop pores inside a closed fruit body (hence the name). These Fungi are usually broken into four main groups: Stinkhorns, Puffballs, Earth Balls, and Birds Nest Fungi.

Basidiomycotina is a phylum that contains most of the large fungi such as mushrooms, toadstools, puffballs, stinkhorns, coral fungi, etc. Many species in this group are deadly poisonous. Wild collected mushrooms should not be eaten as the chance of a mis-identification is very high. Most of the photographs in this group have been taken in the field by amateur photographers. There are certainly errors of identification in this group of images. This product should not be used to make decisions on edibility.

Most fungi are parasites on plants. Identification of many fungi is very difficult because their form and color is dependent on local conditions. One should not eat wild collected mushrooms as many edible species have poisonous look-alikes. Although we believe many of the species we show in this group are correctly identified, we are also aware of instances where we doubt the identification. We include these species to show the diversity of life, as opposed to a method of precise species identification.