05-31-13 Field Note

Rebecca Durham shares images of spring life at MPG North includng Sedges, Buffleheads and Russula Mushrooms

Ross’ sedge, along with elk sedge and northwestern sedge, make up the trio of common dry forest sedges. Flowers amongst the basal leaves and hairy perigynia distinguish Ross’ sedge. Sac-like and often bottle shaped, perigynia enclose the fruit of sedges (Carex rossii).
A flycatcher pauses on a lichen-draped bough (Empidonax sp.). A flycatcher pauses on a lichen-draped bough (Empidonax sp.). Baneberry blooms alongside Cooney Creek. Although toxic to humans, baneberry’s fleshy red berries provide forage for birds (Actaea rubra).
Shield lichens attach to the salmon bark of paper birch with tiny root-like hairs called rhizines (Parmelia sulcata upon Betula papyrifera).
Kinnikinnick’s rose-tipped bell flowers resemble huckleberry blossoms: both species are members of the heath family (Arctostaphylos uva-ursi). Male flowers of western meadowrue usually have four sepals; this calyx presented five (Thalictrum occidentale).
A bufflehead glides across placid Home Pond (Bucephala albeola). A bufflehead glides across placid Home Pond (Bucephala albeola). Western virgin’s bower lacks petals; instead four showy lilac sepals encircle the pistils and stamens (Clematis occidentalis).
Sedges emerge from corridors of sky: mirrored perfections catch the eye (Carex sp).
Plants in the lily family unfold just one leaf at germination, a monocotyledon. Recent taxonomic research splits the Liliaceae into many different plant families, but without consensus. Hooker’s fairybell and starry false lily of the valley bloom inconspicuously in the moist shaded forest (Prosartes hookerii, above; Maianthemum stellatum, below).
A russula mushroom emerges with a viscid red cap and a lily-white stipe (Russula sp.). A cottonwood bud scale rests upon the wide flat needles of grand fir (Abies grandis).
Northern bog violets ring the mossy shore of Home Pond. The flower resembles the common woodland western dog violet, except northern bog violet lacks a hairy tipped style (Viola nephrophylla).
 
 
Posted on 5/31/2013 by Anonymous
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