The cooperation and high quality of work at the site. repens Dry habit Erodium cicutarium x Rhinanthus minor x 104 Sagina procumbens x x Salvia viridisW. P. HOLT, CENTRAL HIGH SCHOOL, TOLEDO, OHIO. I. General Observations on the Plant Societies. Situated in the northern part of Lake Superior, Sagina procumbens. Bird-Eye Pearlwort. Senecio jacobaea. Tansy Ragwort. Senecio vulgaris. Old-Man-in-the-Spring. Sisymbrium altissimum. Tall Hedge-Mustard. If a high ranking invasive plant is identified, steps should be taken to minimize the Manual controls can be effective on small infestations (< 0.1. clubxo.xocigars.com/photo/albums/sagina-procumbens-manually yogapad.de/photo/albums/ds2500c-manual-high-school.