didymo

Jeff Dillon, regional fisheries biologist for the Idaho Department of Fish and Game, says the single-celled organism with the scientific name didymo will have to be watched.

unknown title 2009

The problem is that the porous material can carry invasive species such as didymo to other waterways.

WCAX - Local News 2010

The pants are designed for shallow wading, and the non-felt boots comply with Trout Unlimited’s plea (along with many state game departments) to not wear felt-bottomed shoes, so you don’t inadvertently carry invasive species such as didymo or rock snot to other, uninfected waters.

Gear Review: Cloudveil Wading Pants and 8x Felt-Free Wading Boots 2009

That's what's believed to have happened in Vermont, where felt-soled footwear is suspected in the spread of didymo, a slimy algae also called rock snot, says Shawn Good, a fisheries biologist with the state Fish and Wildlife Department.

States start banning felt-sole waders 2011

The spread of didymo from Maryland's Gunpowder Falls in 2009 to the Savage River last year appears clearly linked to "shoes of the fishermen," said Jonathan McKnight, a biologist with the Maryland Division of Natural Resources.

States start banning felt-sole waders 2011

Maryland's Department of Natural Resources plans to prohibit wading with felt soles starting March 21 after discovering that "rock snot," or didymo -- a type of algae that coats riverbeds in thick mats -- thrives in the shoes' damp fibers and hitches a ride from one body of water to another.

Footwear blamed for 'rock snot' invasion of Md. streams 2011

Elsewhere:•The Idaho Legislature passed a resolution April 7 that stopped short of banning felt soles but spelled out the "harmful and catastrophic potential threat" posed by didymo and other aquatic invaders, with felt soles singled out as a dangerous host.

States start banning felt-sole waders 2011

Elsewhere:•The Idaho Legislature passed a resolution April 7 that stopped short of banning felt soles but spelled out the "harmful and catastrophic potential threat" posed by didymo and other aquatic invaders, with felt soles singled out as a dangerous host.

States start banning felt-sole waders 2011

That's what's believed to have happened in Vermont, where felt-soled footwear is suspected in the spread of didymo, a slimy algae also called rock snot, says Shawn Good, a fisheries biologist with the state Fish and Wildlife Department.

States start banning felt-sole waders 2011

The spread of didymo from Maryland's Gunpowder Falls in 2009 to the Savage River last year appears clearly linked to "shoes of the fishermen," said Jonathan McKnight, a biologist with the Maryland Division of Natural Resources.

States start banning felt-sole waders 2011