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January 30, 2010 Field Trip: Red Bug Slough

sowthistle sonchus oleraceus There were a total of 32 people on our January Field Trip to Red Bug Slough. This large total was because our own Native Plant members (10) were joined by a Sarasota County group who had signed up for a walk with Jeff Weber at the same time and place. Jeff couldn't make it and I agreed to incorporate his group with ours. Also, to add to the total, there were some members of The Peace River Butterfly Society who also joined us. Al Squires couldn't make the walk but I was fortunately and ably aided by Bill Dunson and Jack Lyons. We split into three groups and walked different trails.
The county has made considerable headway in eliminating the smothering growth of air potato that had blanketed the woody part of the Slough. In fact, Jeff Weber estimates that only 5% - 10% of the original infestation remains. Of course, air potato does die back in the cold weather so it remains to be seen how sparse they will be in the summer.

It was a sunny day and the temperature was warm. Naturally, at this time of year, there were very few plants in bloom. Most everything was brown instead of green. We did see and ID some plants. I think the healthiest plant we saw was the non-native Common Sow Thistle, Sonchus oleraceus, which was bright green and covered with bright yellow blossoms (pictured above).

The last time Al and I walked there we saw an otter swimming in the Slough, but he wasn't there this day. As I mentioned before, Red Bug Slough is an almost native area in the midst of city streets, developments and condos. If you have never been there, it is certainly worth the short trip.

72 plant species listed

Common Name

Scientific Name

Alligatorflag; Fireflag

Thalia geniculata

Arrowhead or Duck Potato

Sagittaria sp.

Aster, Carolina ; Climbing aster

Symphyotrichum carolinianum

Bay, Loblolly

Gordonia lasianthus

Beautyberry

Callicarpa americana

Black  Medic

Medicago lupulina

Blackberry

Rubus sp.

Brazilian Pepper

Schinus terebinthifolius

Bristlegrass ; Foxtail grass

Setaria sp.

Broom Sedge

Andropogon glomeratus

Caesarweed

Urena lobata

Carrotwood

Cupaniopsis anacardioides

Clover, sweet White

Melilotus albus

Cordgrass, Sand

Spartina bakeri

Cranesbill

Geranium carolinianum

Cudweed

Pseudognaphalium sp.

Dayflower

Commelina sp.

Dewberry, Southern

Rubus trivialis

Elderberry

Sambucus nigra

Eupatorium, Summer

Eupatorium mohrii 

Fern, Boston

Nephrolepis cordifolia

Fern, Cinnamon

Osmunda cinnamomea 

Fern, Maiden

Thelypteris sp.

Fern, Swamp

Blechnum serrulatum

Hop Clover

Trifolium campestre

Fireweed

Erechtites hieraciifolius

Floating Hearts

Nymphoides aquatica

Frogfruit ; Capeweed ; Matchweed

Phyla nodiflora

Gallberry

Ilex glabra

Golden Polypody

Phlebodium aureum

Goldenrod

Solidago sp.

Grape, Muscadine

Vitis rotundifolia

Grass, Crowfoot

Dactyloctenium aegyptium

Grass, Fakahatchee

Tripsacum dactyloides

Grass, Panic

Dicanthelium sp.

Green Shrimp Plant

Ruellia blechum

Guineagrass

Panicum maximum

Hawksbeard, Asiatic

Youngia japonica 

Hydrilla

Hydrilla verticillata

Indigo, Hairy

Indigofera hirsuta

Nutsedge

Cyperus sp.

Oak, Laurel

Quercus laurifolia

Oak, Live

Quercus virginiana

Oak, Water

Quercus nigra

Palm, Sabal ; Cabbage Palm

Sabal palmetto

Pellitory

Parietaria sp.

Pennywort ; Dollar weed

Hydrocotyle sp.

Peppergrass

Lepidium virginicum

Pine, Slash

Pinus elliottii

Pokeberry

Phytolacca americana

Ragweed, Common

Ambrosia artemisiifolia 

Rosary Pea ; Crab's Eye

Abrus precatorius

Saw Palmetto

Serenoa repens