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Primeras fotografías de esta especie vegetal con vida y primer registro de esta en más de 3 décadas (http://www.phytoneuron.net/2018Phytoneuron/82PhytoN-Castillejaracemosa.pdf).

Actualmente esta especie se encuentra descrita bajo el nombre Castilleja racemosa (https://depts.washington.edu/phylo/OlmsteadPubs/Tank_et_al_2009.pdf).

A few individuals in this population. Area surrounded by cattle, both human and animal. The latter obese and driving around in mad-max Go-Karts slugging monster energy drinks and discharging firearms excitedly in the middle of our current pandemic. America the bootiful.

Been waiting to see this mushroom for a few years after gawking at it on the cover of MOTRC every day.

Thank you for the inspiration @leptonia @noah_siegel

Growth in primarily conifer second and old growth forest with interspersed hardwoods. Plenty of Russula nigricans around but not at the site of this fruiting.

Small sclerotia present upon further examination at home.

Plants numerous, but scattered. Growing in sand, silt, and gravel in 0.5 to 1 meter of water.
Leaves 6-10 cm in length.
Megaspores 450--550 μm in diamemter; uniformly echinate, spines thin and sharp, not reduced near the equator; girdle obscure.
Ligule conspicuous, deltoid, >1 mm long.

Note: Isoetes echinospora was previously recorded at Lake Padden by legendary botanist/plant collector Wilhelm Suksdorf in 1890.

NOTE: location is approximate, and the GPS coordinates are not precise. This is a very rare species and should be treated as such. It should be considered highly endangered, despite its entire range being within the designated Eagle Cap Wilderness area, global warming and the resultant climate change being an existential threat to its survival, which is likely dependent on sufficient, reliable, and well-timed snowmelt.