When: 2012-01-25

Collection location: Tucson, Arizona, USA [Click for map]

Who: Ivan Rodriguez (Minh Nhân)

No specimen available

Notes:
This common urban desert mushroom was found in the garden of a Tucsonan’s house. They rapidly fruit during the heavy monsoon rains, and persist for quite a period of time (these could possibly be 3+ months old). Their great slender stipe can grow to become two feet tall. Additionally, the stem varies in width as well as level of scaly-ness (could be smooth or felty). The ones shown here seem to favor shady regions, as these recieve few hours of direct sunlight a day.

These are known to grow in sandy regions across deserts.

Some notes: for being so old, the base of a fresh specimen is noticeably damp, like a slightly wet cotton ball. Moving up along the body, it becomes extremely dry, much like the bark of a tree. In this stalked puffball, one odd occurence is the cap that resembles a gilled mushroom’s, but this is due to its emergence from a universal veil. Due to this, a volva should be present in Battarrea phalloides, but is sometimes found without one (much like these) due to weather, old age, and nearby disturbances.

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Used references: Mushrooms Demystified

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