Though this species list also brings up a concern of mine. It lists Helianthus gracilentus put into the cashew family, while properly listing the other Helianthus species in the Asteraceae family. I also saw a bee named after Berberis, aka the genus Oregon grape was moved into, but the host genus was listed as Vitis, aka, actual grapes. Which I'm pretty sure don't grow anywhere throughout that bee's range. I'm not actually stopping and reading all the plant species at this point, but still, definitely some errors in this data set.
Records of native pollen specialist bees captured or observed foraging flowers of host plants were compiled from Discover Life (Ascher & Pickering 2020), peer reviewed articles (Bouseman & LaBerge 1978; Brooks & Griswold 1988; Cane 2018; Cockerell 1916, 1919; Cresson 1878; Daly 1973; Danforth 1994; Donovan 1977; Griswold 1993; Griswold & Miller 2010; Hurd et al. 1980; LaBerge 1963, 1967, 1969, 1971a, 1971b, 1973, 1977, 1980, 1985, 1986, 1989; LaBerge & Bouseman 1970; LaBerge & Ribble 1972, 1975; Lanham, 1981; Linsley & MacSwain 1958; McGinley 2003; Michener 1939; Michez & Eardley 2007; Minckley et al. 1994, 2000; Moldenke 1976, 1979; Parys et al. 2018; Portman, Neff, & Griswold 2016; Pow 2019; Provancher, 1895; Ribble 1974; Robertson 1926, 1928, 1929; Rozen 1958, 1992; Snelling 1983; Thorp 1969; Timberlake 1951, 1954, 1956, 1958, 1960, 1962, 1964, 1968, 1975, 1980; Wright 2018), technical bulletins (Danforth 1996; Grigarick & Stange 1968; Hurd & Michener 1955; Krombein et al. 1979; LaBerge 1967; Mitchell 1960, 1962; Ribble 1968; Stephen 1954; Thorp & LaBerge 2005; Timberlake 1953), and personal communications.
So I will not personally be going through and vetting every paper. What I am going to do is only going to list the species that actually are native here. And when it's an obvious mistake like mixing up Oregon Grape with Grape-grapes, fixing it.