NPSG Feb 2007
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G FEBRUARY S 2007 P N NATIVE PLANT STUDY GROUP MYCOLOGICAL MEANDERINGS lium can transport sugar nutrients from a tree that Richard Winder took us on an ecological and with surplus supplies to a tree with greater needs. identification journey into the world of mushrooms. Amazingly, over 50 mycorrhizal mushrooms have As well as describing many mushrooms according been found in association with Douglas-firs. Many to season, he gave us a glimpse into their critical plants would not be able to compete successfully importance in maintaining our natural environment. without their fungal connections. Mushrooms inhabit a niche in which they are Richard finds mushrooms an affirmation that neither plant nor animal. Producing no chlorophyll, life is tough but survives in a number of situations, they cannot manufacture their own food and so are such as in the fall when most plant species are dying not considered plants. Their lack of internal or- or going dormant, many mushrooms come into full gans, and immobility mean they are not animals, reproductive mode. although they feed themselves by digesting other The 2003 fires in the East Kootenay Forest Dis- organisms. Mushrooms are considered “higher” trict provided opportunities to study and search for fungi in that they have a fleshy fruiting body. Some morels and other mushrooms. Apparently BC is the are saprophytes that eat dead material and are re- epicenter for morel speciation because of fire his- sponsible for decomposition while others are para- tory and varied topography. Morchella elata was sitic and feed off living material. Still others are found in both a red and green form; in places cov- mycorrhizal and have a mutually beneficial rela- ered in grey ashes grey pubescent morels were tionship with plants by exchanging nutrients. found (possibly M. artro tomentosa). Morel spores The mycelium are a fine underground network have been found viable after 12+ years and some of filaments that seek and digest food, while the morels have a mycorrhizal-like relationship with “mushroom” that we find aboveground is the fruit- with oceanspray and spirea. When these plants are ing body that releases many millions of spores and killed the fungus is stressed and fruits. When the whose shape is designed to push up through moss fires are too hot, nutrients are consumed and no and soils. Some studies have found that the myce- NATIVE PLANT STUDY GROUP FEBRUARY 2007 mushrooms fruit. Less intense fires (need 40% of SPEAKER SCHEDULE duff removed) equals many mushrooms fruiting. The question of over harvesting is an ongoing March 15 discussion. Europe is experiencing declining popu- Andrea Schiller: lations but is it the result of over-harvest or pollu- For Better or Worse? tion? Richard believes there is no evidence that Andrea Schiller is a federal lands natural re- harvesting impacts productivity. 300 metric tons sources specialist involved in adaptive man were picked in BC in 2004, which represents about agement techniques for rare species man- 10% of the crop, but there are no real long term agement. Learn about the ongoing attempts studies. In some areas in BC new research has been to preserve rare species on federal lands started into sustainability of the resource. through invasive species removal. April 19 For more information, Briony Penn: check the following re- Topic to be an- sources: nounced •The South Vancou- Dr. Briony ver Island Mycological Manzanita Penn has gar- Society (SVIMS) meets nered many the first Thurs of the Arctostaphylos columbiana awards and month at the Pacific much attention Forestry Centre, 506 in her crusades Burnside Road West at to preserve the 7 pm. At the March 1st natural world meeting: Adolf and and enlighten Oluna Ceska: Photos the public. Her from the David Arora enthusiasm and foray in November passion for the More Resources: environment as •fungiphoto.com well as her •bctruffles.org, creative prob- •Western Biologicals, lem solving in- Box 283, Aldergrove, BC V4K 3N2, 604-856-3339 fuse Briony’s writings, lectures and personal Mushroom Field Guides: appearances. Her talk will be prove edifying •All the Rain Promises and More by David Arora and entertaining and not to be missed! •Mushrooms Demystified (mushroom bible) by David Arora May 17 Dave Blundon: The Native Plant Study Group meets on the Grasses Are Too Hard! third Thursday of the month from Sept through Ever felt like a subject is just too hard to at- May except Dec at 7 pm in Rm D116, Ma- tempt? But wouldn’t it be wonderful to im- cLaurin Building, UVic. Please join us. Mem- press your friends and family with your aston- bership fees are $15.00 annually or a $2.00 ishing grasp of grass identification? charge for drop-in. Grasses and grass-like plants could be consid- ered the foundation of our woodland, grass- Satinflower land and terrestrial herbaceous communities. Which are native and which are usurpers? Polished purple blooms David Blundon, Biology Chair at Camosun Tossed by late winter’s wind College, will take us on a virtual identification Flaunting signs of spring. tour of our local graminoids. NATIVE PLANT STUDY GROUP FEBRUARY 2007 SPRING: aid in spore dispersal. Has been seen emerging •Amanita pantherina: common in Feb/March, poison- through cement. ous, mycorrhizal. Identified by the remnant of gills or vulva and warts on top of cap. SUMMER: •Agaricus augustus-“The Prince” tastes like almonds, Reminder!! Just because you find insects and animals consuming sometimes found near driveways, identified by col- mushrooms, it doesn’t mean they are safe to eat. Use caution and if oured fibres on cap, has a skirt-like ring or annulus there is any doubt DO NOT EAT! •Agaricus bisporus-pizza mushroom, is our domestic mushroom. •Amanita aprica: find along Sooke River, pale yellow •Fuligo septica-dog vomit slime mold. This interesting •Hygrocybe flavescens-golden waxy cup- found near organism has been thrown out of the fungal king- cedars dom and is now considered •Snowbank orange peel part of the Protista king- fungus-found right after dom. Usually found in snowmelt, decomposes TURKEY TAILS damp shady areas with conifer seeds abundant organic matter •Cup fungus (Discomycete) (like wood chips), but can spores in cup move to brighter areas to •Geopyxis carbonaria- reproduce. It is the stuff of Vulcan pixie cup, found science fiction. after fires, these type of •Armillaria sinapina-honey mushrooms help capture mushroom: edible, some nutrients after a fire that people allergic to it, an might otherwise be opportunistic fungus that eroded away. causes root rot. •Morchella elata-black •Amillaria stoyia: looks like morel, also found after shoe laces fires. Cook in a pan with a little sherry, “Put in Fungi that kill trees are consid- your mouth and they sing” ered by foresters and others •Verpa bohemica-thimble morel, found a month earlier wanting high production values form trees to be a bad thing, than the black morels, like a sweet soil and are found but in ecological terms they ensures biodiversity. By killing some in association with plants of the rose family, particu- trees, new and different species can take their place, which in larly oceanspray. turn creates more habitat for other creatures (birds, insects, etc). •Discinia perlata-pig’s ears, found in the earth at the base of uprooted trees. •Clavaria delphus: Found in Northern BC, a long, tall •Gyromitra esculenta-false morels, poisonous, with a club-shaped fungus volatile toxin. •Agaricus micromegathus: found at the end of summer, has an almond smell Some populations of the mushrooms may not be as poisonous, •Puffballs, late summer. Some edible, delicious with toxicity can also depend on a person’s metabolism butter and garlic. LATE SPRING: FALL: •Pleurotus ostreatus-oyster mushroom: found in areas •Boletus edulis-“King Bolete”: aka porcini, world fa- with fog and dying alders (coves), decomposer mous for their nutty aroma and fine culinary poten- •Collybria acervata found at Jordan River tial. Often in association with conifers; pines, spruce, Tip: it’s easy to get lost in the woods. Be safe. hemlock, firs and oaks and birch. •Coprinus comatus-shaggy mane, cap starts to liquefy Bolete pores have a fine white blush turning to olive in old age which attracts flies. There is a beneficial green and a white reticulation at the top of the stem. relationship between the fungi and insects, to NATIVE PLANT STUDY GROUP FEBRUARY 2007 •Amanita muscaria-fly agaric: Has a compound that maroon cap and stem, mycorrihizal (use in chicken a can kill or slow down flies, perhaps to allow the la king). mushroom time to release spores, that the flies can •Lactarius luculentus-orange milk cap-has milky sap disseminate. Vikings fed European species of this •Marsmiellus candida-pinwheels plant to warriors known as “Beserkers”, which would •Strobilurus trullisatus, decomposes fir cones cause a crazed rage and terrify the enemy. Mycorrhizal •Coral fungi are mycorrhizal, can be edible but with firs, pines, spruce, birch and aspen. might contain carcinogens •Cantharellus formosus-Pacific golden chantrelle: Taste similar to apricots, when dried Beware: Mushrooms can has a brownish colour, has bioaccumulate heavy ridges rather than gills, convo- metals as they clean up the luted cap, mycorrhizal, prefers soil. Beware of eating any stands of 60-80 years, found at harvested near roads, Jordan River and Lizard Lake. sprayed herbicides, etc. •Cantharellus cibarius var. rosea- canus: when dried has a lem- •Rozites caperata-gypsy mush- ony colour room: edible, •Craterellus cornocopiodes-horn