Among the invasive weeds is false-brome (Brachypodium sylvaticum), which IAE has been attempting to eradicate at the site since 2008. Brachypodium sylvaticum is a highly invasive, perennial European grass which appears to have first been introduced to North America in the Eugene area in the early 1900's. Because of its propensity to dominate habitats that it invades (specifically forest understory), B. sylvaticum has spread rapidly throughout the Pacific Northwest, establishing populations from southern Washington to the bay area of California. As a result, California and Washington have classified B. sylvaticum as a Class A noxious weed, while Oregon maintains its Class B rating.
Named "false-brome" for it's morphological resemblance to members of the Bromus genus, a few key traits can be used for distinguishing False-brome from a true brome. While many bromes are hairy, they lack hairs on the margins of their leaves. Brachypodium sylvaticum on the other hand has distinctly hair leaf margins.
|Bromus tectorum leaf margin lacking hairs. |
|B. sylvaticum leaf with hairy margins. Photo: www.portlandoregon.gov|
|Bromus rigidus inflorescence with pedicils. Photo: linnet.geog.ubc.ca|
|B. sylvaticum inflorescence attached directly to stem. |
|A patch of Brachypodium sylvaticum at Maxfield meadows.|
Upcoming management of Maxfield, slated to begin later in 2013, includes a selective timber harvest, burning, and seeding. The goal is to effectively use these techniques to clear and reestablish an oak savannah habitat in what is currently a mixed-pine forest. Following a burn event, the burn area will be seeded with a locally collected mix of native forbs and grasses, with further assessment of exotic present and native success conducted in the subsequent spring. We look forward to sharing future successes at Maxfield.