Hollyhock Rust This rust disease can result in serious injury to hollyhocks (Althaea spp.) and is found nearly everywhere they are grown. The rust also occurs on mallow (Malva rotundifolia), a common weed, which can serve as a disease reservoir for the fungus and contribute to infection of hollyhocks.ollyhock Rust This rust disease can result in serious injury to hollyhocks (Althaea spp.) and is found nearly everywhere they are grown. The rust also occurs on mallow (Malva rotundifolia), a common weed, which can serve as a disease reservoir for the fungus and contribute to infection of hollyhocks.
This item: HP OfficeJet Pro 7720 All in One Wide Format Printer with Wireless Printing $199.99
The boxy HP Color LaserJet 2550L looks like your average workgroup laser printer, with a curvy, two-tone gray casing; a 125-sheet paper-output tray on top; and the usual cluster of buttons and indicator lights on the top control panel.e reviewed the base model of HP's 2550 series, which includes only a 125-sheet multipurpose tray that flips open from the front panel of the printer. You can add either a 250-sheet input tray for $149 or a 500-sheet input tray for $299.