Figure 1 - Geographic distribution and phenotypic variation of Raphia frater subspecies. Circles indicate specimens examined during this study: green – subsp. piazzi; pink – subsp. abrupta; black – subsp. frater; blue – subsp. coloradensis; yellow – subsp. cinderella. Multi-coloured circles indicate transitional populations and/or phenotypically intermediate specimens between respective subspecies. a Raphia frater piazzi (Zavallo Co., TX) b Raphia frater abrupta (Oktibeha Co., MS) c Raphia frater abrupta (Cottle Co., TX) d Raphia frater abrupta (Cottle Co., TX) e Raphia frater abrupta (Montgomery Co., MD) f, g Raphia frater frater (Edmunston, NB) h Raphia frater abrupta – frater intermediate (Anne Arundel Co., MD) i Raphia frater abrupta – frater – coloradensis intermediate from highly variable population in Cherry Co., NE j Raphia frater coloradensis (Alamosa Co., CO) k Raphia frater coloradensis (Milk River valley, AB) l Raphia frater coloradensis (Sanpete Co., UT) m Raphia frater coloradensis (Elko Co., NV) n Raphia frater cinderella (Ventura Co., CA) o, p Raphia frater coloradensis – frater intermediates (Chelan Co., WA) q Raphia frater elbea (Cochise Co., AZ) r Raphia frater elbea (San Juan Co., UT) s Raphia frater elbea (Santa Cruz Co., AZ). All specimens are males.