Domain: Eukarya
Kingdom: Fungi
Phylum: Basidiomycota
Class: Agaricomycetes
Order: Phallales
Family: Phallaceae
Genus: Phallus

Immature fruiting bodies egg-shaped, pink or light purple/violet in color, 3-6 cm diameter.
Mature fruiting bodies phallus-shaped, stipe white, spongy, hollow; cap reticulate, pitted, ridged, covered with olive-green glebal spore mass; volva cup-like, retaining pink color, or browning in age. Odor may be putrid or pleasant, depending on your sensibilities.

Pink or violet colored volva distinguishes it from Phallus impudicus. Reticulate cap is different than the smooth cap of Phallus ravenelii.

Widespread, cosmopolitan distribution.

Typically found in public areas, like lawns, gardens, in mulch, etc. Also known to grow in sandy areas.

Phallus impudicus
Phallus ravenelli

unknown

http://www.speciesfungorum.org/...

The common name is the dune stinkhorn.

Current Name:
Phallus hadriani Vent., Mém. Inst. nat. Sci. Arts 1: 517 (1798)

Synonymy:
Ithyphallus impudicus var. imperialis (Schulzer) De Toni, Syll. fung. (Abellini) 7: 8 (1888)
Ithyphallus impudicus var. iosmos (Berk.) De Toni, Syll. fung. (Abellini) 7: 9 (1888)
Phallus imperialis Schulzer, in Kalchbrenner, Icon. Sel. Hymenomyc. Hung.: 63, pl. 40, fig. 1 (1873)
Phallus iosmos Berk., in Smith, Engl. Fl., Fungi (Edn 2) (London) 5(2): 227 (1836)