Agave shawii var shawii - Shaw's agave Most Year of Most Occurrence Land Natural Occurrence ID IMA? MU Preserve Land Owner Recent Recent Pop Threats Source Name Manager Population? Pop Size Survey AGSH_1BFSP001 Yes 1 Border Field State Border Field California California 1 2011 Yes Biggest threat is loss of individuals. Threat to out- MOM; Park State Park Department Department crossing given life history traits and small number of Vanderplank of Parks and of Parks and individuals. Sexual reproduction and seedling 2012; Masilko Recreation Recreation recruitment are low for this taxon. 2007 AGSH_1CNMO002 Yes 1 Cabrillo National Cabrillo National National 30 2011 Partially Biggest threat is loss of individuals. Sexual MOM; Rare Monument National Park Service Park Service reproduction and seedling recruitment low for this Plant 2016; Monument taxon. Other threats include direct impacts and Vanderplank human trespassing. Low level of nonnative forbs and 2012 grasses and competition with native plants. Erosion and roads/trails are adjacent to occurrence. Some plants fall within landscaped areas. AGSH_1TISL003 No 1 Tijuana Slough Tijuana U.S. Fish U.S. Fish 88 2016 No Altered hydrology and urban runoff in over 75% of MOM; Rare NWR Visitor Slough and Wildlife and Wildlife mapped occupied extent. Some threat from soil Plant 2016; Center National Service Service compaction. Authorized trails and human use near CCH 2013; Wildlife plants which are highly managed as part of Reiser 1994 Refuge landscaping at visitor center. AGSH_7SCSB006 Yes 6 South Carlsbad South California California 1 2015 No Nonnative forbs, nonnative grasses, nonnative Rare Plant State Beach Carlsbad Department Department woody plants, trash dumping, trampling, erosion and 2014, 2015 State Beach of Parks and of Parks and slope movement. Recreation Recreation AGSH_7GFTR004 Yes 7 Guy Fleming Trail Torrey Pines California California 5 2011 No Population is sterile? Sexual reproduction and MOM; State Natural Department Department seedling recruitment low for this taxon. Vanderplank Reserve of Parks and of Parks and 2012; CNDDB Recreation Recreation 2013 AGSH_7SELA005 Yes 7 San Elijo Lagoon San Elijo California California 45 2016 No Erosion in 25-50% of mapped extent and illegal use Rare Plant Lagoon Department Department of closed trail with signs of hikers and dogs. 2014, 2015, Ecological of Fish and of Fish and 2016 Reserve Wildlfie Wildlife.