Bear Creek fall botany

From an email by Jocie to the Botany Group on December 4. Click a photo to enlarge it.

We snuck in a walk at Bear Creek Regional Park last week (Nov. 26) just before the recent snowfall. It was a cold frosty day, but we saw lots of interesting things!

Here are a few notes and highlights. Photos are mine and Veronique’s. If any IDs are incorrect let me know.

  1. Fragile fork moss (Dicranum tauricum). The fragile tips break off on your finger!
  1. Badge moss / coastal leafy moss (Plagiomnium insigne). One of our largest mosses.
  1. Tree ruffle liverwort (Porella navicularis). A common epiphyte on maple and alder.
  1. Purplepore bracket fungus (Trichaptum abietinum). A common fungus on conifers, with shades of green and purple.
  1. Same as above, showing the purplish, ragged pores on the underside.
  1. Hair ice / frost flowers are associated with the fungus Exidiopsis effusa, on hardwoods.
  1. They don’t call it “Bear Creek Park” for nothing! Lots of bear sign…scratch marks on trees, and scat with lots of crabapples in it.
  1. Netted crust (Byssormerulius corium). This fungus was quite abundant on our walk. A striking pure white with soft, marshmallowy edges and a wrinkled surface. Some ochre tints. It is called Meruliopsis corium in some books. On hardwoods.
  1. Same as above, showing variation of growth form.
  1. Cow parsnip seeds (Heracleum maximum), formerly H. lanatum. Has delicate brown lines that look painted on.
  1. Trailing blackberry leaves (Rubus ursinus). “Frosty botany” is always fun to photograph.
  1. Oyster River view.
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