@mycomutant, the specimen was cut and dried per instructions.
The AI suggests this species now...
Top Blast hit: Marasmius vagus
Smooth spores, hyaline. fusiform
5umx8um
LC2_ITS4rev
GTGGACCCCTGTAACCTTTGGGGAGGAGGGGTCTTTTGAGTATCGGGCTTTTCTATGTCTTTATACACCCTGAATGTATGTTTTTGAATGTCTTTTATGAGGGGACTTGATTGGACCCTTTTAAAAACTATACAACTTTCAGCAACGGATCTCTTGGCTCTCGCATCGATGAAGAACGCAGCGAAATGCGATAAGTAATGTGAATTGCAGAATTCAGTGAATCATCGAATCTTTGAACGCACCTTGCGCCTCTTGGTATTCCGAGAGGCATGCCTGTTTGAGTGTCATTAAATTCTCAACCTCATAAGCTTTTTCATGTTCATGAGGATTGGATGTGGAGGTTTTGCCGGTCCTTTTCAGAGTCAGCTCCTCTTAAATGCATTAGTGGAAACTGAATTGTAGTCCGCATTGGTGTGATAATTATCAACGCCATTGTTTTTCTGTGGCTACAGCTTCTTAGTAGTGTTCGTTTTTGGAAATTGCATGAACTTGCTCTTTCTGCTCTAATTTGACCTACAAGAAGGGTATATTAGTATCTGCTTCAAACTGTCCTAAGTTGTTGGACAATGCTTTTGATTATTGACCTCAAATCAGGAGGTTCC
Green Spores
Chlorophyllum molybdites
Identified using :
BESSETTE, A. E., BESSETTE, A. R., & LEWIS, D. P. (2019). Mushrooms of the Gulf Coast States: A Field Guide to Texas, Louisiana, Mississippi, Alabama, and Florida. University of Texas Press. https://doi.org/10.7560/318157
In a grass area post rain
Cream gills
Gone the next morning