loading . . . The tangled emotions surrounding the invasive Himalayan blackberry Himalayan blackberries (Rubus armeniacus) are known to many Washington residents as much for their sweet summer harvest as for their thorny, invading brambles. Their berries are often picked for jam https://www.dailyuw.com/science/the-tangled-emotions-surrounding-the-invasive-himalayan-blackberry/article_27349c65-ff8a-480e-8dcc-f10a02b428c0.html