CalEPPC A quarterly publication of the California News Exotic Pest Plant Council Volume 9 • Number 3/4 • 2001 Giant salvinia (Salvinia molesta) Closeup picture from The Nature Conservancy’s Weeds-on-the- Also In This Issue Web Homepage (http://tncweeds.ucdavis.edu). Symposiums & Transitions 3 See 2001 Red Alerts this issue. 2001 Red Alerts 4 Hypericum Alert 6 Keep It in the Garden 7 Cape Ivy Germinating in California & Oregon 8 CalEPPC Seeks Executive Director 10 Membership form 12 CalEPPC News Page 2 Spring 2001 Who We Are 2002 CalEPPC Officers & Board Members CalEPPC NEWS is published quarterly Officers by the California Exotic Pest Plant President Joe DiTomaso [email protected] Council, a non-profit organization. The Vice-president Steve Schoenig [email protected] objects of the organization are to: Secretary Mona Robison [email protected] • provide a focus for issues and Treasurer Becky Waegel [email protected] concerns regarding exotic pest plants Past-president Mike Kelly [email protected] in California; At-large Board Members • facilitate communication and the Carl Bell* [email protected] exchange of information regarding all Matt Brooks** [email protected] aspects of exotic pest plant control Carla Bossard** [email protected] and management; Paul Caron* [email protected] • provide a forum where all interested Tom Dudley** [email protected] parties may participate in meetings Dawn Lawson** [email protected] and share in the benefits from the Alison Stanton** [email protected] information generated by this Scott Steinmaus* [email protected] council; Peter Warner* [email protected] (wk) [email protected] (hm) • promote public understanding Bill Winans* [email protected] regarding exotic pest plants and their control; * Term expires Dec. 31, 2002 / **TerMs expires Dec. 31, 2003 • serve as an advisory council Working Group Chairpersons regarding funding, research, Artichoke thistle Mike Kelly 858-566-6489 [email protected] management and control of exotic pest plants; Arundo Tom Dudley 510-643-3021 [email protected] Brooms Karen Haubensak 510-643-5430 [email protected] • facilitate action campaigns to monitor Cape ivy Mona Robison 916-451-9820 [email protected] and control exotic pest plants in California; and Cortaderia spp. Joe DiTomaso 530-754-8715 [email protected] Fennel Jennifer Erskin 530-752-1092 [email protected] • review incipient and potential pest Lepidium Joel Trumbo 916-358-2952 [email protected] plant management problems and activities and provide relevant Saharan mustard Jim Dice 760-767-3074 [email protected] information to interested parties. Saltcedar Bill Neill 714-779-2099 [email protected] Spartina spp. Debra Ayres 530-752-6852 [email protected] Veldt grass Dave Chipping 805-528-0914 [email protected] .edu Volunteers Maria Alvarez 415-331-0732 Yellow starthistle Mike Pitcairn 916-262-2049 [email protected] CalEPPC web site: www.caleppc.org CalEPPC News Editor: Mike Kelly (see above for address) Submissions for CalEPPC News If you’d like to submit a news item, article, meeting announcement, or job opportunity for publicaton in the CalEPPC News, it must be sent in Please Note: both electronic and hard copy forms to the editor. The editor reserves the right to edit all submissions. Send your text/disk/email to edtior's The California Exotic Pest Plant address above. Council is a California 501(c)3 non-profit, public benefit corporation organized to provide a The articles contained herein were contributed to the CalEPPC focus for issues and concerns newsletter. These articles represent the opinions of the authors regarding exotic pest plants in and do not necessarily reflect the views of CalEPPC. Although California, and is recognized under herbicide recommendations may have been reviewed in federal and state tax laws as a contributed articles, CalEPPC does not guarantee their accuracy qualified donee for tax deductible with regard to efficiency, safety, or legality. charitable contribution. CalEPPC News Page 3 Spring 2001 10th Anniversary Symposium & Transitions Mike Kelly CalEPPC’s 10th Anniversary presidents who were in attendance, Symposium, held in San Diego this including John Randall, Carla Bos- past October, was noteworthy in sard, and Mike Pitcairn, that it several respects. First, some 230 peo- struck me we were in a big transi- ple registered for the event despite tion for the organization. On the the proximity to Sept. 11th, the un- one hand we had announced we certainties of air travel, and agency wanted to hire an Executive Direc- (and personal) budget cutbacks. tor, our first paid position for the The desert-themed sessions of group. On the other hand, our the symposium succeeded in attract- Board no longer had a majority of ing participants from the desert “old-timers,” volunteers who had southwest. This was an important founded CalEPPC at our first sym- goal of CalEPPC, to highlight desert posium at Moro Bay in 1992 and issues and seek ways to form part- served on the Board of Directors, of- nerships amongst desert land man- ten for many years. Over the years agers and conservationists. From the since we’ve had a normal attrition U.S. Geological Survey friday morn- from the Board, losing founders ing sessions through the afternoon’s such as Greg Archbald, Ann How- lively desert organization presenta- ald, John Randall, Sally Davis, Nel- tions and panels to the evening’s roy Jackson and others. Most re- desert workshop, I think we succeed- main active as members and remain ed in plumbing the ecological and or- active in weed affairs. ganization issues of the desert re- gions. I expect significant colla– Outgoing president Mike Kelly borations will flow from this jam- enjoying a lighter moment at the packed first day of the CalEPPC annual business meeting. Symposium. Saturday’s sessions found us back on familiar California turf with a series of talks on signifi- The transition is bringing in cant weed issues and related re- younger blood, younger than the search and more of the species specif- original Board. Typically they’re ic weed workshops that are always graduate students who’ve cut their so popular at the conferences. eye teeth on wildland weed issues. Transitions I wondered about this “younger” Our annual business meeting is blood a bit until we had our annual always held Saturday, in a session Board dinner. At the end of day where we announce the results of each Saturday at our annual sym- the elections, hear first alert reports posium we’re in the habit of treat- from The Nature Conservancy’s ing ourselves to a collective dinner Mandy Tu and John Randall, and together where old and new Board get updates on our Cape ivy and In- members get to mix a bit socially ternational Broom Initiatives, and a and get to know each other. We national report from Nelroy Jack- were about half-an-hour and at son, a member of the National least one beer into this year’s din- Weed Council and National EPPC. ner at a local San Diego brewery This business meeting was a bit when I delighted in the realization different though. I introduced new- that several of these younger Board ly elected members of the Board of members were animatedly and con- Directors and the new officers. It Incoming president Joe DiTomaso fidentally holding forth on weed is- was when I was introducing past leading a workshop at Symposium. sues with “veterans.” YES . CalEPPC News Page 4 Spring 2001 2001 Red Alert! New Expansions into and around California Mandy Tu and John M. Randall [The authors can be reached at: ly fill the water-column. C. carolinia- from disturbed roadsides into dry The Nature Conservancy Wildland na is listed as a noxious weed in shaded slopes under an oak wood- Invasive Species Program, Dept. of Washington State, and is now a land canopy. Fred Hrusa (CDFA) Vegetable Crops & Weed Sciences, dominant in some Sacramento Riv- adds that he has specimens of E. Univ. of Calif., Davis, CA 95616. er delta locations (Hrusa et al. in oblongata in the Sierra Nevada up to Phone: 530-754-8891; FAX: 530-752- mss.). Joe DiTomaso of U.C. Davis 4,000 feet in elevation at the CDFA 4604]. E-mail: [email protected]; reports seeing C. caroliniana in Le- Botany Herbarium. The 2001 CalEPPC Red Alert! wiston Lake in Trinity County Lavatera cretica (smaller tree- for this year again provides an ac- (northern California), but there are mallow) is an annual or biennial count of species that are either new no specimens from this location herb in the Malvaceae (mallow fam- to California and have the potential confirming this sighting. ily) which was described in the Jep- to become widely invasive, or up- Euphorbia oblongata (eggleaf or son Manual (Hickman 1993) as un- date reports on already-established oblong spurge) is a perennial herb common in the central and south species that are rapidly expanding in the Euphorbiaceae (spurge fami- coast regions. CalFlora documents their range(s) in the state. Many of ly) native to Europe. It is already la- L. cretica as present along most of these species are already known to beled as a noxious weed (Rated B the California coast. Southern Cali- be invasive in other areas and could by CDFA) of waste places in the fornian botanist Carl Wishner re- become troublesome in California. Jepson Manual (Hickman 1993), ports that L. cretica is well-distri– The Red Alert! for 2001 includes which lists E. oblongata as present buted along the coast and along five species that are newly invasive only in the Central Valley and the roads in southern California from to California (or specific areas with- San Francisco Bay area but expected the Malibu Civic Center west to in California) and three updates.