
Xylorhiza tortifolia
Mojave Aster
Photo: (c) Doug Olberding, some rights reserved (CC BY-NC) (iNaturalist)
2
Bishop specimens
0
Type specimens
1958
First collected
1983
Last collected
2026
Last seen alive
Two centuries of collecting
The oldest Bishop specimen was collected in 1958 by Cottam, W.P. (Mohave County; Grand Canyon National Monument; Cove North Saddle Horse Spring). The Museum last collected it in 1983; iNaturalist observers have seen it in the wild as recently as October 23, 2026.
Alive today
3,451 research-grade iNaturalist sightings in the wild since 2000. Most recent first.

2026-10-23
Riverside County, CA, USA
(c) Pete Schwartz, some rights reserved (CC BY-NC)

2026-10-23
Riverside County, CA, USA
(c) Alison Kreager, some rights reserved (CC BY-NC)

2026-07-18
Darwin, CA 93522, USA
(c) Richard Rachman, some rights reserved (CC BY-NC)

2026-06-23
California, US
(c) Rebecca Stiling, some rights reserved (CC BY-NC)

2026-06-22
California, US
(c) michaelamich, some rights reserved (CC BY-NC)

2026-06-20
Inyo County, CA, USA
(c) beoschaeffer, some rights reserved (CC BY-NC)

2026-06-09
Highway 168, Inyo County, CA, USA
(c) Adam Schneider, some rights reserved (CC BY-NC)

2026-06-09
Esmeralda County, US-NV, US
(c) Pete Zani (born @ 325 ppm), some rights reserved (CC BY-NC)
